/* ============================================
   PV-Energie-Planer - App Interface
   Apple-inspired Minimal Design
   ============================================ */

/* CSS Variables */
:root {
    /* Colors */
    --color-white: #ffffff;
    --color-black: #1d1d1f;
    --color-gray-50: #fafafa;
    --color-gray-100: #f5f5f7;
    --color-gray-200: #e8e8ed;
    --color-gray-300: #d2d2d7;
    --color-gray-400: #aeaeb2;
    --color-gray-500: #8e8e93;
    --color-gray-600: #636366;
    --color-gray-700: #48484a;
    --color-accent: #FF9500;
    --color-accent-light: #FFE8CC;
    --color-primary: #007AFF;
    
    /* Semantic */
    --color-bg: var(--color-white);
    --color-bg-secondary: var(--color-gray-100);
    --color-text: var(--color-gray-700);
    --color-text-secondary: var(--color-gray-500);
    --color-text-tertiary: var(--color-gray-400);
    --color-border: var(--color-gray-200);
    --color-card-background: var(--color-white);
    
    /* Status Colors */
    --color-success: #34C759;
    --color-warning: #FF9500;
    --color-error: #FF3B30;
    --color-info: #007AFF;
    
    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    --space-4xl: 96px;
    
    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-mono: 'SF Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 20px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.25s ease;
    --transition-slow: 0.4s ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
}

/* Dark Mode - follows system preference */
@media (prefers-color-scheme: dark) {
    :root {
        /* Colors */
        --color-white: #000000;
        --color-black: #f5f5f7;
        --color-gray-50: #1c1c1e;
        --color-gray-100: #2c2c2e;
        --color-gray-200: #3a3a3c;
        --color-gray-300: #48484a;
        --color-gray-400: #636366;
        --color-gray-500: #8e8e93;
        --color-gray-600: #aeaeb2;
        --color-gray-700: #f5f5f7;
        
        /* Semantic */
        --color-bg: #000000;
        --color-bg-secondary: #1c1c1e;
        --color-text: #f5f5f7;
        --color-text-secondary: #a1a1a6;
        --color-text-tertiary: #8e8e93;
        --color-border: #3a3a3c;
        --color-card-background: #1c1c1e;
        
        /* Shadows for dark mode */
        --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
        --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
        --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
    }
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    overflow-x: hidden;
    width: 100%;
}

body {
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

/* Maintenance Banner */
.maintenance-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 12px var(--space-lg);
    background: linear-gradient(135deg, #007AFF 0%, #5856D6 100%);
    color: white;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
}

.maintenance-banner a {
    color: white;
    text-decoration: underline;
    font-weight: 600;
}

.maintenance-banner a:hover {
    opacity: 0.9;
}

.maintenance-banner svg {
    flex-shrink: 0;
}

/* App Layout */
.app-layout {
    display: flex;
    min-height: calc(100vh - 48px);
    background: var(--color-bg-secondary);
}

/* Sidebar */
.app-sidebar {
    width: 260px;
    background: var(--color-bg);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 50;
}

.sidebar-header {
    padding: 27px var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text);
    font-weight: 600;
    font-size: 16px;
}

.sidebar-logo .logo-icon {
    width: 24px;
    height: 24px;
}

.sidebar-nav {
    flex: 1;
    padding: var(--space-md);
    overflow-y: auto;
}

.nav-section {
    margin-bottom: var(--space-lg);
}

.nav-section-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-tertiary);
    padding: var(--space-sm) var(--space-md);
    margin-bottom: var(--space-xs);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: 10px var(--space-md);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.nav-item:hover {
    background: var(--color-gray-100);
    color: var(--color-text);
    opacity: 1;
}

.nav-item.active {
    background: var(--color-black);
    color: var(--color-white);
}

.nav-item svg {
    width: 18px;
    height: 18px;
    opacity: 0.7;
}

.nav-item.active svg {
    opacity: 1;
}

.sidebar-footer {
    padding: var(--space-md);
    border-top: 1px solid var(--color-border);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
    position: relative;
    z-index: 100;
}

.user-menu:hover {
    background: var(--color-gray-100);
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: var(--color-gray-200);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.user-info {
    flex: 1;
    min-width: 0;
}

.user-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-plan {
    font-size: 11px;
    color: var(--color-text-tertiary);
}

.user-plan.pro {
    color: var(--color-accent);
}

/* Main Content */
.app-main {
    flex: 1;
    margin-left: 260px;
    display: flex;
    flex-direction: column;
}

.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-xl);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 40;
}

.app-header h1 {
    font-size: 20px;
    font-weight: 600;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.app-content {
    flex: 1;
    padding: var(--space-xl);
    overflow-y: auto;
    overflow-x: hidden;
    background: var(--color-bg);
    min-width: 0;
}

.tab-content {
    background: var(--color-bg);
}

/* Cards */
.card {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    overflow: hidden; /* Prevent content overflow */
    position: relative;
    z-index: 1;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}

.card-title {
    font-size: 15px;
    font-weight: 600;
}

.card-body {
    padding: var(--space-lg);
}

/* Form Elements in App */
.input-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.input-group:last-child {
    margin-bottom: 0;
}

.input-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.input-field {
    padding: 10px 14px;
    background: var(--color-white);
    border: 1px solid var(--color-black);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: 15px;
    font-family: var(--font-sans);
    transition: all var(--transition-fast);
}

.input-field:focus {
    outline: none;
    background: var(--color-white);
    border-color: var(--color-primary);
}

.input-hint {
    font-size: 12px;
    color: var(--color-text-tertiary);
}

.input-row {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.input-row .input-group {
    flex: 1 1 220px;
    min-width: 220px;
}

/* Slider */
.slider-group {
    margin-bottom: var(--space-lg);
}

.slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.slider-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.slider-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
}

.slider {
    -webkit-appearance: none;
    width: 100%;
    height: 4px;
    background: var(--color-gray-200);
    border-radius: 2px;
    outline: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    background: var(--color-black);
    border-radius: 50%;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

/* Toggle */
.toggle-group {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.toggle-group:last-child {
    border-bottom: none;
}

.toggle-label {
    font-size: 14px;
    color: var(--color-text);
}

.toggle {
    position: relative;
    width: 44px;
    height: 26px;
}

.toggle input {
    display: none;
}

.toggle-slider {
    position: absolute;
    inset: 0;
    background: var(--color-gray-300);
    border-radius: 13px;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 22px;
    height: 22px;
    background: var(--color-white);
    border-radius: 50%;
    transition: transform var(--transition-fast);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.toggle input:checked + .toggle-slider {
    background: var(--color-accent);
}

.toggle input:checked + .toggle-slider::before {
    transform: translateX(18px);
}

/* Tabs */
.tabs {
    display: flex;
    gap: var(--space-xs);
    padding: 4px;
    background: var(--color-gray-100);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
}

.tab {
    flex: 1;
    padding: 8px 16px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tab:hover {
    color: var(--color-text);
}

.tab.active {
    background: var(--color-white);
    color: var(--color-text);
    box-shadow: var(--shadow-sm);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    position: relative;
    z-index: 1;
}

.stat-card {
    padding: var(--space-lg);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.stat-card-label {
    font-size: 12px;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
}

.stat-card-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.stat-card-unit {
    font-size: 14px;
    font-weight: 400;
    color: var(--color-text-secondary);
    margin-left: 4px;
}

.stat-card-change {
    font-size: 12px;
    margin-top: var(--space-xs);
}

.stat-card-change.positive {
    color: var(--color-accent);
}

.stat-card-change.negative {
    color: #ff3b30;
}

/* Chart Container */
.chart-container {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
    max-width: 100%;
    overflow: hidden;
}

.chart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
}

.chart-title {
    font-size: 15px;
    font-weight: 600;
}

.chart-legend {
    display: flex;
    gap: var(--space-lg);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 12px;
    color: var(--color-text-secondary);
}

.legend-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.chart-canvas {
    width: 100%;
    max-width: 100%;
    height: 300px;
    background: var(--color-bg);
}

/* Ensure all canvas elements have white background */
canvas {
    background: var(--color-bg);
}

.chart-subtitle {
    font-size: 13px;
    color: var(--color-text-tertiary);
    margin-top: var(--space-xs);
}

.chart-controls {
    display: flex;
    gap: var(--space-sm);
}

.chart-controls .input-field.compact {
    padding: var(--space-xs) var(--space-sm);
    font-size: 13px;
    min-width: 100px;
}

.break-even-chart-wrapper {
    position: relative;
    width: 100%;
    height: 280px;
    margin: var(--space-lg) 0;
}

.break-even-chart-wrapper canvas {
    width: 100% !important;
    height: 100% !important;
}

.chart-legend.centered {
    justify-content: center;
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
    margin-top: var(--space-md);
}

.legend-line {
    width: 20px;
    height: 2px;
    background: var(--color-text-tertiary);
    border-style: dashed;
}

/* Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.data-table th {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.data-table td {
    font-size: 14px;
    color: var(--color-text);
}

.data-table tbody tr:hover {
    background: var(--color-gray-50);
}

/* Upgrade Banner */
.upgrade-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    background: var(--color-gray-100);
    color: var(--color-text);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    border: 1px solid var(--color-border);
}

.upgrade-banner-content h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 2px;
}

.upgrade-banner-content p {
    font-size: 13px;
    color: var(--color-text-secondary);
}

.upgrade-banner .btn {
    background: var(--color-black);
    color: var(--color-white);
    padding: 8px 16px;
    font-size: 13px;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--space-3xl);
}

.empty-state-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-lg);
    background: var(--color-gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.empty-state-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-text-tertiary);
}

/* Preview Container for non-subscribers */
.preview-container {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin-bottom: var(--space-lg);
}

.preview-container:last-child {
    margin-bottom: 0;
}

.preview-image {
    width: 100%;
    height: auto;
    display: block;
}

.preview-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40%;
    background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.95));
    pointer-events: none;
}

.empty-state h3 {
    font-size: 17px;
    margin-bottom: var(--space-sm);
}

.empty-state p {
    color: var(--color-text-secondary);
    font-size: 14px;
    margin-bottom: var(--space-lg);
}

/* Loading */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3xl);
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--color-gray-200);
    border-top-color: var(--color-black);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Orientation Grid */
.orientation-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.orientation-card {
    padding: var(--space-md);
    background: var(--color-gray-50);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.orientation-card:hover {
    border-color: var(--color-gray-300);
}

.orientation-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}

.orientation-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
}

.orientation-factor {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-tertiary);
    padding: 2px 8px;
    background: var(--color-gray-100);
    border-radius: var(--radius-full);
}

.orientation-factor.optimal {
    background: rgba(52, 199, 89, 0.1);
    color: var(--color-accent);
}

.orientation-inputs {
    display: flex;
    gap: var(--space-sm);
}

.orientation-inputs .input-group {
    flex: 1;
    margin-bottom: 0;
}

.input-group.compact .input-label {
    font-size: 11px;
    margin-bottom: 4px;
}

.input-group.compact .input-field {
    padding: 8px 10px;
    font-size: 14px;
}

.compass-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
}

.compass-image {
    width: 150px;
    height: 150px;
    object-fit: contain;
    border-radius: 50%;
}

.compass-svg {
    width: 80px;
    height: 80px;
}

.compass-label {
    font-size: 12px;
    color: var(--color-text-tertiary);
    margin-top: var(--space-sm);
}

.orientation-legend {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
}

.orientation-legend .legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 12px;
    color: var(--color-text-secondary);
}

.orientation-legend .legend-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.legend-dot.optimal {
    background: var(--color-accent);
}

.legend-dot.good {
    background: #a3e635;
}

.legend-dot.medium {
    background: #fbbf24;
}

.legend-dot.low {
    background: var(--color-gray-400);
}

/* Card Subtitle */
.card-subtitle {
    font-size: 13px;
    color: var(--color-text-tertiary);
    font-weight: 400;
}

/* Toggle improvements */
.toggle-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.toggle-hint {
    font-size: 12px;
    color: var(--color-text-tertiary);
}

/* Conditional Settings */
.conditional-settings {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

/* ============================================
   Consumption Categories
   ============================================ */
.consumption-category {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    overflow: hidden;
    transition: all var(--transition-fast);
}

.consumption-category:hover {
    border-color: var(--color-gray-300);
}

.consumption-category.expanded {
    border-color: var(--color-gray-400);
}

.category-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    cursor: pointer;
    background: var(--color-bg);
    transition: background var(--transition-fast);
}

.category-header:hover {
    background: var(--color-gray-50);
}

.category-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.category-icon svg {
    width: 20px;
    height: 20px;
}

.category-icon.house {
    background: rgba(0, 122, 255, 0.1);
    color: #007aff;
}

.category-icon.heatpump {
    background: rgba(255, 149, 0, 0.1);
    color: #ff9500;
}

.category-icon.ev {
    background: rgba(52, 199, 89, 0.1);
    color: #34c759;
}

.category-icon.other {
    background: rgba(175, 82, 222, 0.1);
    color: #af52de;
}

.category-info {
    flex: 1;
    min-width: 0;
}

.category-name {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
}

.category-desc {
    display: block;
    font-size: 12px;
    color: var(--color-text-tertiary);
}

.category-input {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* Tool Link Button neben Kategorien */
.tool-link-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    transition: all 0.2s ease;
    margin-left: auto;
    margin-right: 8px;
    flex-shrink: 0;
}

.tool-link-btn:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
    transform: scale(1.05);
}

.tool-link-btn svg {
    width: 16px;
    height: 16px;
}

.input-label-inline {
    font-size: 12px;
    color: var(--color-text-tertiary);
    white-space: nowrap;
}

.input-unit {
    font-size: 13px;
    color: var(--color-text-secondary);
}

.stepper-input {
    display: flex;
    align-items: center;
    gap: 0;
    background: var(--color-white);
    border: 1px solid var(--color-black);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.stepper-btn {
    width: 32px;
    height: 36px;
    border: none;
    background: transparent;
    color: var(--color-text-secondary);
    font-size: 18px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.stepper-btn:hover {
    background: var(--color-gray-200);
    color: var(--color-text);
}

.stepper-btn:active {
    background: var(--color-gray-300);
}

.stepper-input .input-field {
    width: 80px;
    text-align: center;
    border: none;
    background: transparent;
    padding: 8px 4px;
    font-size: 15px;
    font-weight: 500;
}

.stepper-input .input-field:focus {
    background: var(--color-white);
}

.expand-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--color-text-tertiary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-fast);
}

.expand-btn svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.consumption-category.expanded .expand-btn svg {
    transform: rotate(180deg);
}

.category-details {
    background: var(--color-gray-50);
    border-top: 1px solid var(--color-border);
}

.details-content {
    padding: var(--space-lg);
}

.details-info {
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.breakdown-row {
    display: flex;
    justify-content: space-between;
    padding: var(--space-sm) 0;
    font-size: 13px;
    border-top: 1px solid var(--color-border);
}

.breakdown-row:first-of-type {
    border-top: none;
}

.breakdown-row span:first-child {
    color: var(--color-text-secondary);
}

.breakdown-row span:last-child {
    font-weight: 500;
    color: var(--color-text);
}

/* Charging Mode Section */
.charging-mode-section {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.section-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.charging-modes {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.charging-mode-option {
    cursor: pointer;
}

.charging-mode-option input {
    display: none;
}

.mode-content {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.charging-mode-option input:checked + .mode-content {
    border-color: var(--color-accent);
    background: rgba(52, 199, 89, 0.05);
}

.mode-content svg {
    width: 24px;
    height: 24px;
    color: var(--color-text-tertiary);
    flex-shrink: 0;
}

.charging-mode-option input:checked + .mode-content svg {
    color: var(--color-accent);
}

.mode-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
}

.mode-desc {
    font-size: 12px;
    color: var(--color-text-tertiary);
    margin-left: auto;
}

/* PV Charging Info */
.pv-charging-info {
    margin-top: var(--space-md);
    padding: var(--space-md);
    background: rgba(0, 122, 255, 0.05);
    border: 1px solid rgba(0, 122, 255, 0.2);
    border-radius: var(--radius-md);
}

.info-box {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.info-box svg {
    width: 20px;
    height: 20px;
    color: #007aff;
    flex-shrink: 0;
}

.info-box strong {
    display: block;
    font-size: 13px;
    color: var(--color-text);
    margin-bottom: 4px;
}

.info-box p {
    font-size: 12px;
    color: var(--color-text-secondary);
    margin: 0;
}

.charging-specs {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
}

.spec-row {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 12px;
}

.spec-row span:first-child {
    color: var(--color-text-secondary);
}

.spec-row strong {
    color: var(--color-text);
}

.spec-note {
    color: var(--color-text-tertiary);
}

.seasonal-note {
    font-size: 12px;
    color: var(--color-text-secondary);
    margin: 0;
    padding-top: var(--space-sm);
    border-top: 1px solid rgba(0, 122, 255, 0.2);
}

/* Fuel Savings */
.fuel-savings-section {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.toggle-group.compact {
    padding: var(--space-sm) 0;
}

.input-row.compact {
    gap: var(--space-sm);
}

.input-row.compact .input-group {
    margin-bottom: var(--space-sm);
}

.fuel-savings-result {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: rgba(52, 199, 89, 0.1);
    border-radius: var(--radius-md);
    margin-top: var(--space-md);
}

.fuel-savings-result svg {
    width: 18px;
    height: 18px;
    color: var(--color-accent);
}

.fuel-savings-result span {
    font-size: 13px;
    color: var(--color-accent);
}

.fuel-savings-result strong {
    font-weight: 600;
}

/* Consumption Distribution */
.consumption-bar-chart {
    display: flex;
    height: 32px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: var(--space-lg);
}

.bar-segment {
    transition: width var(--transition-base);
}

.bar-segment.house { background: #007aff; }
.bar-segment.heatpump { background: #ff9500; }
.bar-segment.ev { background: #34c759; }
.bar-segment.other { background: #af52de; }

.consumption-legend {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.consumption-legend .legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 13px;
}

.consumption-legend .legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.consumption-legend .legend-dot.house { background: #007aff; }
.consumption-legend .legend-dot.heatpump { background: #ff9500; }
.consumption-legend .legend-dot.ev { background: #34c759; }
.consumption-legend .legend-dot.other { background: #af52de; }

.legend-value {
    margin-left: auto;
    font-weight: 500;
    color: var(--color-text);
}

/* Percentage Cards */
.percentage-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-md);
}

.percentage-card {
    padding: var(--space-md);
    border-radius: var(--radius-md);
    text-align: center;
}

.percentage-card.house { background: rgba(0, 122, 255, 0.1); }
.percentage-card.heatpump { background: rgba(255, 149, 0, 0.1); }
.percentage-card.ev { background: rgba(52, 199, 89, 0.1); }
.percentage-card.other { background: rgba(175, 82, 222, 0.1); }

.percentage-label {
    display: block;
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xs);
}

.percentage-value {
    display: block;
    font-size: 24px;
    font-weight: 700;
}

.percentage-card.house .percentage-value { color: #007aff; }
.percentage-card.heatpump .percentage-value { color: #ff9500; }
.percentage-card.ev .percentage-value { color: #34c759; }
.percentage-card.other .percentage-value { color: #af52de; }

.percentage-kwh {
    display: block;
    font-size: 12px;
    color: var(--color-text-tertiary);
    margin-top: var(--space-xs);
}

/* Stats Grid Variants */
.stats-grid.three-col {
    grid-template-columns: repeat(3, 1fr);
}

/* Summary Card */
.summary-card {
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-gray-50) 100%);
    border-color: var(--color-accent);
}

/* ============================================
   Chart Toggles
   ============================================ */
.chart-toggles {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
    margin-top: var(--space-lg);
}

.chart-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    font-size: 13px;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.chart-toggle:hover {
    color: var(--color-text);
}

.chart-toggle input {
    display: none;
}

.toggle-indicator {
    width: 16px;
    height: 16px;
    border-radius: 4px;
    border: 2px solid currentColor;
    position: relative;
    transition: all var(--transition-fast);
}

.chart-toggle input:checked + .toggle-indicator {
    border-color: transparent;
}

.chart-toggle input:checked + .toggle-indicator::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 10px;
    color: white;
}

.toggle-indicator.pv-yield { background: #ff9500; border-color: #ff9500; }
.toggle-indicator.grid-import { background: #ff3b30; border-color: #ff3b30; }
.toggle-indicator.grid-export { background: #ffcc00; border-color: #ffcc00; }
.toggle-indicator.battery-discharge { background: #34c759; border-color: #34c759; }
.toggle-indicator.battery-charge { background: #30d158; border-color: #30d158; }
.toggle-indicator.consumption { background: #007aff; border-color: #007aff; }

.chart-toggle input:not(:checked) + .toggle-indicator {
    background: transparent !important;
}

/* ============================================
   Orientation Yield Bars
   ============================================ */
.orientation-yield-bars {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.yield-bar-row {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.yield-bar-label {
    width: 60px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text);
}

.yield-bar-container {
    flex: 1;
    height: 24px;
    background: var(--color-gray-100);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.yield-bar {
    height: 100%;
    background: var(--color-accent);
    border-radius: var(--radius-sm);
    transition: width var(--transition-base);
}

.yield-bar-value {
    width: 80px;
    text-align: right;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-secondary);
}

/* ============================================
   System Comparison - Detailed View
   ============================================ */
.system-comparison-detailed {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.comparison-card {
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.comparison-card.no-pv {
    background: var(--color-gray-50);
    border: 1px solid var(--color-border);
}

.comparison-card.pv-only {
    background: rgba(255, 149, 0, 0.03);
    border: 1px solid rgba(255, 149, 0, 0.15);
}

.comparison-card.pv-storage {
    background: rgba(52, 199, 89, 0.03);
    border: 1px solid rgba(52, 199, 89, 0.15);
}

.comparison-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-md);
}

.comparison-bar-container {
    width: 80px;
    height: 180px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    margin-bottom: var(--space-sm);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 6px;
}

.stacked-bar {
    width: 80px;
    height: 100%;
    display: flex;
    flex-direction: column-reverse;
    justify-content: flex-start;
    gap: 2px;
}

.bar-segment {
    width: 100%;
    border-radius: 6px;
    transition: height 0.3s ease;
}

.bar-segment.direct {
    background: #3b82f6;
    opacity: 0.8;
}

.bar-segment.battery {
    background: #4ade80;
    opacity: 0.8;
}

.bar-segment.grid {
    background: #ef4444;
    opacity: 0.8;
}

.bar-labels {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
}

.bar-label-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.bar-label-item .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.bar-label-item .dot.blue {
    background: #3b82f6;
}

.bar-label-item .dot.green {
    background: #4ade80;
}

.bar-label-item .dot.red {
    background: #ef4444;
}

.bar-label-item span:last-child {
    font-size: 10px;
    font-weight: 500;
}

.bar-label-item:nth-child(1) span:last-child {
    color: #3b82f6;
}

.bar-label-item:nth-child(2) span:last-child {
    color: #22c55e;
}

.bar-label-item:nth-child(3) span:last-child {
    color: #ef4444;
}

.consumption-total {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-border);
    width: 100%;
}

.consumption-total .total-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
}

.consumption-total .total-label {
    font-size: 11px;
    color: var(--color-text-secondary);
}

.consumption-total .total-note {
    font-size: 10px;
    color: var(--color-text-tertiary);
    margin-top: 2px;
}

.comparison-card.no-pv .total-note {
    color: #ef4444;
}

.comparison-metrics {
    width: 100%;
    text-align: left;
}

.metric-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 0;
    font-size: 12px;
}

.metric-label {
    color: var(--color-text-secondary);
}

.metric-value {
    font-weight: 500;
    color: var(--color-text);
}

.metric-value.negative {
    color: #ef4444;
}

.metric-value.positive {
    color: #f97316;
}

.metric-value.success {
    color: #22c55e;
}

.comparison-legend {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.comparison-legend .legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 12px;
    color: var(--color-text-secondary);
}

.comparison-legend .legend-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

/* Legacy system comparison (keep for backwards compatibility) */
.system-comparison {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.comparison-column {
    padding: var(--space-lg);
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
    text-align: center;
}

.comparison-column.highlight {
    background: rgba(52, 199, 89, 0.1);
    border: 1px solid rgba(52, 199, 89, 0.3);
}

.comparison-column.highlight-alt {
    background: rgba(0, 122, 255, 0.1);
    border: 1px solid rgba(0, 122, 255, 0.3);
}

.comparison-header {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-md);
}

.comparison-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.comparison-label {
    font-size: 12px;
    color: var(--color-text-tertiary);
}

.comparison-savings {
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
    font-size: 14px;
    font-weight: 600;
    color: var(--color-accent);
}

/* ============================================
   Yields Table
   ============================================ */
.header-controls {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.total-yield-badge {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-accent);
    padding: var(--space-xs) var(--space-sm);
    background: rgba(52, 199, 89, 0.1);
    border-radius: var(--radius-sm);
}

.yields-table-wrapper {
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.yields-table {
    width: 100%;
    border-collapse: collapse;
}

.yields-table th,
.yields-table td {
    padding: var(--space-sm) var(--space-md);
    text-align: right;
    border-bottom: 1px solid var(--color-border);
}

.yields-table th {
    position: sticky;
    top: 0;
    background: var(--color-gray-100);
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.yields-table th:first-child,
.yields-table td:first-child {
    text-align: left;
}

.yields-table td {
    font-size: 14px;
    font-variant-numeric: tabular-nums;
}

.yields-table tbody tr:hover {
    background: var(--color-gray-50);
}

.yields-table tbody tr.early-years td:first-child {
    color: var(--color-accent);
}

.yields-table tbody tr.late-years td {
    color: var(--color-text-tertiary);
}

.yields-table tfoot {
    background: var(--color-gray-50);
}

.yields-table tfoot td {
    font-weight: 600;
    border-top: 2px solid var(--color-border);
}

.yields-table .cumulative {
    color: #007aff;
}

.yields-table .revenue {
    color: var(--color-accent);
}

.yields-table .empty-message {
    text-align: center;
    color: var(--color-text-tertiary);
    padding: var(--space-xl);
}

.table-info {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background: rgba(52, 199, 89, 0.05);
    border-radius: var(--radius-sm);
    font-size: 12px;
    color: var(--color-text-secondary);
}

.table-info svg {
    width: 16px;
    height: 16px;
    color: var(--color-accent);
    flex-shrink: 0;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    margin-right: var(--space-md);
}

.mobile-menu-toggle span {
    width: 20px;
    height: 2px;
    background: var(--color-text);
    border-radius: 1px;
    transition: all var(--transition-fast);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Sidebar Overlay for mobile */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 40;
}

.sidebar-overlay.active {
    display: block;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .app-sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        z-index: 60;
    }
    
    .app-sidebar.open {
        transform: translateX(0);
    }
    
    .app-main {
        margin-left: 0;
    }
    
    .system-comparison {
        grid-template-columns: 1fr;
    }
    
    .system-comparison-detailed {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    /* Round icon-only buttons on mobile (only save and PDF buttons) */
    .header-actions #save-project-btn,
    .header-actions #export-pdf-btn {
        width: 40px !important;
        height: 40px !important;
        min-width: 40px !important;
        padding: 0 !important;
        border-radius: 50% !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        font-size: 0 !important;
        gap: 0 !important;
    }
    
    .header-actions #save-project-btn svg,
    .header-actions #export-pdf-btn svg {
        width: 18px !important;
        height: 18px !important;
        margin: 0 !important;
    }
    
    .header-actions {
        gap: var(--space-sm);
    }
    
    .app-header h1 {
        font-size: 16px;
        flex: 1;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid.three-col {
        grid-template-columns: 1fr;
    }
    
    .input-row {
        flex-direction: column;
    }
    
    .category-header {
        flex-wrap: wrap;
    }
    
    .category-input {
        width: 100%;
        margin-top: var(--space-sm);
    }
    
    .chart-toggles {
        gap: var(--space-sm);
    }
    
    .chart-toggle {
        font-size: 11px;
    }
    
    .consumption-legend {
        grid-template-columns: 1fr;
    }
    
    /* Fix orientation grid on mobile */
    .orientation-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 4px;
        width: 100%;
        max-width: 100%;
    }
    
    .orientation-card {
        padding: 6px;
        min-width: 0;
        overflow: hidden;
    }
    
    .orientation-header {
        margin-bottom: 4px;
    }
    
    .orientation-label {
        font-size: 11px;
    }
    
    .orientation-factor {
        display: none;
    }
    
    .orientation-inputs {
        gap: 2px;
    }
    
    .orientation-card .input-row {
        flex-direction: row;
        gap: 2px;
    }
    
    .orientation-card .input-group {
        flex: 1;
        min-width: 0;
    }
    
    .orientation-card .input-group input,
    .orientation-inputs .input-group .input-field {
        width: 100%;
        min-width: 0;
        padding: 4px 2px;
        font-size: 12px;
        text-align: center;
    }
    
    .orientation-card .input-label,
    .orientation-inputs .input-group .input-label {
        font-size: 9px;
    }
    
    .orientation-card h4 {
        font-size: 11px;
    }
    
    .compass-center {
        padding: 4px;
    }
    
    .compass-svg {
        width: 50px;
        height: 50px;
    }
    
    .compass-image {
        width: 80px;
        height: 80px;
    }
    
    /* Ensure app content doesn't overflow */
    .app-content {
        padding: var(--space-sm);
        max-width: 100%;
        overflow-x: hidden;
    }
    
    .card {
        max-width: 100%;
        overflow-x: hidden;
    }
    
    .card-body {
        max-width: 100%;
        overflow-x: hidden;
        padding: var(--space-sm);
    }
    
    /* Fix card title on mobile */
    .card-title {
        font-size: 16px;
    }
    
    /* Fix module settings card */
    .module-settings .input-group .input-field {
        width: 100%;
    }
    
    /* Override min-width constraints on mobile */
    .input-row .input-group {
        min-width: 0;
        flex: 1;
    }
    
    .input-field {
        min-width: 0;
    }
    
    /* Ensure all containers respect viewport width */
    .app-main,
    .app-content,
    .tab-content,
    .card,
    .card-body {
        max-width: 100vw;
        overflow-x: hidden;
    }
}

/* ============================================
   Battery Storage Configuration
   ============================================ */

/* Battery Size Section */
.battery-size-section {
    margin-bottom: var(--space-lg);
}

.battery-size-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.battery-size-value {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-accent);
}

.slider-container {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.slider-label {
    font-size: 12px;
    color: var(--color-text-tertiary);
    min-width: 24px;
}

.slider {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    background: var(--color-gray-200);
    border-radius: 3px;
    outline: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--color-accent);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
    transition: transform var(--transition-fast);
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--color-accent);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.optimum-hint {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-top: var(--space-sm);
    font-size: 13px;
    color: var(--color-primary);
}

.optimum-hint svg {
    color: var(--color-primary);
}

.optimum-hint strong {
    font-weight: 600;
}

/* Optimum Section */
.optimum-section {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.optimum-details {
    background: var(--color-gray-50);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-bottom: var(--space-lg);
}

.optimum-warning {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 13px;
    color: var(--color-warning);
    margin-bottom: var(--space-md);
}

.optimum-warning svg {
    flex-shrink: 0;
}

.calculation-info {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--space-md);
}

.info-header {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
}

.calculation-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 13px;
    color: var(--color-text-secondary);
}

.calculation-list li {
    padding: var(--space-xs) 0;
}

.calculation-list span {
    color: var(--color-primary);
    font-weight: 500;
}

/* Investment Costs */
.cost-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.cost-row .input-group {
    flex: 1;
}

.cost-display {
    text-align: right;
}

.cost-label {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-accent);
}

.total-investment {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
    background: var(--color-gray-50);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
}

.total-label {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.total-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-accent);
}

.price-info {
    display: flex;
    gap: var(--space-sm);
    font-size: 12px;
    color: var(--color-text-tertiary);
}

.price-info svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.price-ranges {
    line-height: 1.6;
}

.price-ranges span {
    display: block;
    margin-bottom: var(--space-xs);
}

.price-note {
    font-style: italic;
    margin-top: var(--space-xs);
}

/* Degradation Table */
.degradation-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
    font-size: 14px;
    color: var(--color-text-secondary);
}

.degradation-rate {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--color-primary);
}

.degradation-table tbody tr:nth-child(1) td:nth-child(3) {
    color: var(--color-accent);
    font-weight: 600;
}

.degradation-table tbody tr td:nth-child(3) {
    color: var(--color-warning);
}

.degradation-table tbody tr td:nth-child(4) {
    color: var(--color-red);
}

.degradation-info {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-top: var(--space-md);
    padding: var(--space-md);
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
    font-size: 12px;
    color: var(--color-text-secondary);
}

.degradation-info svg {
    flex-shrink: 0;
    color: var(--color-primary);
}

/* Conditional Settings */
.conditional-settings {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

/* Button Accent */
.btn-accent {
    background: var(--color-accent);
    color: white;
    border: none;
}

.btn-accent:hover {
    background: #2d8a4e;
}

/* ============================================
   Monthly Yield Chart (Module Tab)
   ============================================ */
.monthly-yield-chart-container {
    width: 100%;
    min-height: 180px;
    background: var(--color-bg);
    padding: 16px 8px;
    display: flex;
    flex-direction: column;
}

/* HTML-based bar chart (similar to iOS implementation) */
.monthly-bars-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    height: 150px;
    gap: 4px;
    padding: 0 4px;
}

.monthly-bar-column {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    min-width: 0;
}

.monthly-bar-value {
    font-size: 10px;
    color: var(--color-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.monthly-bar-wrapper {
    width: 100%;
    height: 120px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.monthly-bar {
    width: 80%;
    max-width: 40px;
    min-width: 8px;
    background: linear-gradient(180deg, #3b82f6 0%, #2563eb 100%);
    border-radius: 4px 4px 0 0;
    min-height: 4px;
    transition: height 0.3s ease;
}

.monthly-bar-label {
    font-size: 10px;
    color: var(--color-text-secondary);
    text-align: center;
}

.monthly-chart-summary {
    display: flex;
    justify-content: space-between;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--color-gray-200);
    font-size: 13px;
    color: var(--color-text-secondary);
}

.chart-empty-message {
    text-align: center;
    color: var(--color-text-tertiary);
    padding: 40px;
    font-size: 14px;
}

.chart-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 200px;
    background: var(--color-bg-secondary);
    border-radius: 8px;
    color: #8e8e93;
    font-size: 14px;
    text-align: center;
    padding: 20px;
}

.chart-placeholder p {
    margin: 0;
    line-height: 1.5;
}

.yield-summary {
    display: flex;
    gap: var(--space-lg);
    font-size: 13px;
    color: var(--color-text-secondary);
}

.yield-summary strong {
    color: var(--color-primary);
    font-weight: 600;
}

/* Yield Overview Grid */
.yield-overview-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.yield-overview-item {
    text-align: center;
    padding: var(--space-lg);
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
}

.yield-overview-label {
    display: block;
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xs);
}

.yield-overview-value {
    display: block;
    font-size: 32px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.yield-overview-value.primary {
    color: var(--color-primary);
}

.yield-overview-value.info {
    color: var(--color-info);
}

.yield-overview-unit {
    display: block;
    font-size: 12px;
    color: var(--color-text-tertiary);
    margin-top: var(--space-xs);
}

/* Feed-in Section */
.feed-in-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.feed-in-toggle-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    background: var(--color-gray-100);
    border-radius: var(--radius-lg);
}

.toggle-main-label {
    display: block;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
}

.ios-toggle {
    position: relative;
    width: 51px;
    height: 31px;
}

.ios-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.ios-toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #e9e9eb;
    transition: .4s;
    border-radius: 34px;
}

.ios-toggle-slider:before {
    position: absolute;
    content: "";
    height: 27px;
    width: 27px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
    box-shadow: 0 3px 8px rgba(0,0,0,0.15);
}

.ios-toggle input:checked + .ios-toggle-slider {
    background-color: #34c759;
}

.ios-toggle input:checked + .ios-toggle-slider:before {
    transform: translateX(20px);
}

.feed-in-rates-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.rate-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.rate-label {
    font-size: 13px;
    color: var(--color-text-secondary);
}

.rate-input-wrapper {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.rate-input-wrapper input {
    padding: 10px 14px;
    background: var(--color-white);
    border: 1px solid var(--color-black);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: 15px;
    font-family: var(--font-sans);
    transition: all var(--transition-fast);
    width: 100%;
}

.rate-input-wrapper input:focus {
    outline: none;
    background: var(--color-white);
    border-color: var(--color-gray-300);
}

/* Feed-in Toggle */
.feed-in-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
}

.toggle-label {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.toggle-label span:first-child {
    font-weight: 500;
    color: var(--color-text);
}

.toggle-hint {
    font-size: 12px;
    color: var(--color-text-tertiary);
}

/* Card Title Row */
.card-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.toggle-with-subtitle {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.toggle-with-subtitle .card-subtitle {
    margin-top: 4px;
    display: block;
    text-align: right;
}

.year-range-toggle {
    display: flex;
    background: var(--color-gray-100);
    border-radius: var(--radius-md);
    padding: 4px;
    border: 1px solid var(--color-border);
    flex-shrink: 0;
    gap: 4px;
}

.year-btn {
    padding: 6px 16px;
    font-size: 13px;
    font-weight: 600;
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    border-radius: calc(var(--radius-md) - 2px);
    flex: 1;
}

.year-btn.active {
    background: var(--color-white);
    color: var(--color-black);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
}

.year-btn:hover:not(.active) {
    color: var(--color-text);
}

/* Toggle Row Inline */
.toggle-row-inline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
}

/* Small iOS Toggle */
.ios-toggle.small {
    width: 44px;
    height: 24px;
}

.ios-toggle.small .ios-toggle-slider:before {
    width: 18px;
    height: 18px;
    left: 3px;
    bottom: 3px;
}

.ios-toggle.small input:checked + .ios-toggle-slider:before {
    transform: translateX(20px);
}

/* Rate Unit */
.rate-unit {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-left: var(--space-xs);
}

/* Info Hint */
.info-hint {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 12px;
    color: var(--color-text-tertiary);
}

.info-hint svg {
    flex-shrink: 0;
}

/* Data Table Styles */
.data-table-container {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.data-table-scroll {
    max-height: 400px;
    overflow-y: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.data-table thead {
    position: sticky;
    top: 0;
    background: var(--color-gray-50);
    z-index: 1;
}

.data-table th {
    padding: var(--space-sm) var(--space-md);
    text-align: left;
    font-weight: 600;
    color: var(--color-text-secondary);
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}

.data-table td {
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid var(--color-gray-100);
    font-variant-numeric: tabular-nums;
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.data-table tfoot {
    background: var(--color-gray-50);
    font-weight: 600;
}

.data-table tfoot td {
    border-top: 2px solid var(--color-border);
    border-bottom: none;
}

.table-hint {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-top: var(--space-sm);
    font-size: 12px;
    color: var(--color-text-tertiary);
}

.table-hint svg {
    color: var(--color-success);
    flex-shrink: 0;
}

/* Yearly Yields Table Colors */
.year-early {
    color: var(--color-success);
}

.year-mid {
    color: var(--color-text);
}

.year-late {
    color: var(--color-text-secondary);
}

.revenue-eeg {
    color: var(--color-success);
}

.revenue-market {
    color: var(--color-warning);
}

/* ============================================
   Cashflow Table (Economics Tab)
   ============================================ */
.cashflow-table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    max-height: 450px;
}

.cashflow-table {
    width: 100%;
    table-layout: fixed;
    border-collapse: collapse;
    font-size: 12px;
}

.cashflow-table thead {
    position: sticky;
    top: 0;
    background: var(--color-gray-50);
    z-index: 1;
}

.cashflow-table th {
    padding: var(--space-sm) var(--space-sm);
    text-align: right;
    font-weight: 600;
    color: var(--color-text-secondary);
    border-bottom: 2px solid var(--color-border);
    white-space: nowrap;
    font-size: 11px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cashflow-table th:first-child {
    text-align: center;
}

.cashflow-table td {
    padding: var(--space-xs) var(--space-sm);
    text-align: right;
    border-bottom: 1px solid var(--color-gray-100);
    font-variant-numeric: tabular-nums;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cashflow-table td:first-child {
    text-align: center;
    font-weight: 500;
}

.cashflow-table tbody tr:nth-child(even) {
    background: var(--color-gray-50);
}

.cashflow-table tbody tr:hover {
    background: rgba(52, 199, 89, 0.05);
}

/* Cashflow Colors */
.cashflow-price {
    color: var(--color-text-secondary);
}

.cashflow-cost {
    color: var(--color-warning) !important;
}

.cashflow-savings-positive,
td.cashflow-savings-positive {
    color: var(--color-success) !important;
}

.cashflow-savings-negative,
td.cashflow-savings-negative {
    color: var(--color-error) !important;
}

.cashflow-feed-in {
    color: var(--color-primary) !important;
}

.cashflow-feed-in-market {
    color: var(--color-warning) !important;
}

.cashflow-operating,
td.cashflow-operating {
    color: var(--color-error) !important;
}

.cashflow-cumulative-positive,
td.cashflow-cumulative-positive {
    color: var(--color-success) !important;
    font-weight: 500;
}

.cashflow-cumulative-negative,
td.cashflow-cumulative-negative {
    color: var(--color-error) !important;
    font-weight: 500;
}

/* Financing Tab Styles */
.investment-summary {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.investment-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-gray-50);
    border-radius: var(--radius-sm);
}

.investment-row.total {
    background: var(--color-gray-100);
    font-weight: 600;
    margin-top: var(--space-xs);
}

.investment-row.disabled {
    opacity: 0.4;
    text-decoration: line-through;
}

.investment-label {
    color: var(--color-text-secondary);
}

.investment-row.total .investment-label {
    color: var(--color-text);
}

.investment-value {
    font-weight: 500;
    font-variant-numeric: tabular-nums;
}

.toggle-row {
    display: flex;
    align-items: center;
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
}

.toggle-label input[type="checkbox"] {
    width: 44px;
    height: 24px;
    appearance: none;
    background: var(--color-gray-300);
    border-radius: 12px;
    position: relative;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.toggle-label input[type="checkbox"]:checked {
    background: var(--color-success);
}

.toggle-label input[type="checkbox"]::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--color-bg);
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: transform var(--transition-fast);
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.toggle-label input[type="checkbox"]:checked::before {
    transform: translateX(20px);
}

.toggle-text {
    color: var(--color-text-secondary);
    font-size: 14px;
}

.input-field.readonly {
    background: var(--color-gray-100);
    color: var(--color-text);
    font-weight: 500;
    cursor: default;
}

/* Financing Cashflow Colors */
.fin-interest {
    color: var(--color-warning);
}

.fin-principal {
    color: var(--color-primary);
}

.fin-payment {
    color: var(--color-text);
    font-weight: 500;
}

.fin-cashflow-positive {
    color: var(--color-success);
    font-weight: 500;
}

.fin-cashflow-negative {
    color: var(--color-error);
    font-weight: 500;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .yield-overview-grid {
        grid-template-columns: 1fr;
    }
    
    .yield-summary {
        flex-direction: column;
        gap: var(--space-xs);
    }
    
    .card-title-row {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }
}

/* ============================================
   Projects Management Styles
   ============================================ */

/* Navigation Badge */
.nav-badge {
    background: var(--color-primary);
    color: white;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 10px;
    margin-left: auto;
}

/* Projects Header */
.projects-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.projects-header-left {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.projects-header-right {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.search-box {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--color-gray-50);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    min-width: 250px;
}

.search-box svg {
    width: 18px;
    height: 18px;
    color: var(--color-text-secondary);
    flex-shrink: 0;
}

.search-box input {
    border: none;
    background: transparent;
    outline: none;
    font-size: 14px;
    width: 100%;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 14px;
    color: var(--color-text-secondary);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.project-limit-info {
    font-size: 14px;
    color: var(--color-text-secondary);
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-md);
}

.projects-loading {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-xxl);
    color: var(--color-text-secondary);
}

.projects-loading .spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Project Card */
.project-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.project-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.project-card.archived {
    opacity: 0.6;
    background: var(--color-gray-50);
}

.project-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-sm);
}

.project-card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
    word-break: break-word;
}

.project-card-menu {
    position: relative;
}

.project-card-menu-btn {
    background: transparent;
    border: none;
    padding: var(--space-xs);
    cursor: pointer;
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
}

.project-card-menu-btn:hover {
    background: var(--color-gray-100);
}

.project-card-menu-btn svg {
    width: 20px;
    height: 20px;
}

.project-card-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 160px;
    z-index: 100;
    display: none;
}

.project-card-dropdown.show {
    display: block;
}

.project-card-dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    font-size: 14px;
    color: var(--color-text);
    cursor: pointer;
    transition: background 0.15s;
}

.project-card-dropdown-item:hover {
    background: var(--color-gray-50);
}

.project-card-dropdown-item svg {
    width: 16px;
    height: 16px;
}

.project-card-dropdown-item.danger {
    color: var(--color-error);
}

.project-card-dropdown-item.danger:hover {
    background: rgba(255, 59, 48, 0.1);
}

.project-card-description {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.project-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.project-meta-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    padding: 4px 8px;
    background: var(--color-gray-100);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
}

.project-meta-tag svg {
    width: 12px;
    height: 12px;
}

.project-meta-tag.highlight {
    background: rgba(0, 122, 255, 0.1);
    color: var(--color-primary);
}

.project-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-sm);
    border-top: 1px solid var(--color-gray-100);
    font-size: 12px;
    color: var(--color-text-tertiary);
}

.project-card-date {
    display: flex;
    align-items: center;
    gap: 4px;
}

.project-card-date svg {
    width: 14px;
    height: 14px;
}

/* Projects Empty State */
.projects-empty {
    text-align: center;
    padding: var(--space-xxl);
    color: var(--color-text-secondary);
}

.projects-empty svg {
    width: 64px;
    height: 64px;
    margin-bottom: var(--space-md);
    color: var(--color-gray-300);
}

.projects-empty h3 {
    font-size: 18px;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.projects-empty p {
    margin-bottom: var(--space-lg);
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--space-md);
}

.modal {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-xl);
}

.modal.modal-small {
    max-width: 400px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}

.modal-header h2 {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

.modal-close {
    background: transparent;
    border: none;
    padding: var(--space-xs);
    cursor: pointer;
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
}

.modal-close:hover {
    background: var(--color-gray-100);
}

.modal-close svg {
    width: 20px;
    height: 20px;
}

.modal-body {
    padding: var(--space-lg);
    overflow-y: auto;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-sm);
    padding: var(--space-lg);
    border-top: 1px solid var(--color-border);
    background: var(--color-gray-50);
}

/* Form Groups in Modal */
.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-white);
    border: 1px solid var(--color-black);
    border-radius: var(--radius-md);
    font-size: 14px;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 60px;
}

/* Form Row for side-by-side inputs */
.form-row {
    display: flex;
    gap: var(--space-md);
}

.form-row .form-group {
    flex: 1;
    margin-bottom: var(--space-sm);
}

/* Customer Data Section */
.customer-data-section {
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-top: var(--space-md);
    border: 1px solid var(--color-border);
}

.customer-data-section h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

.customer-data-section .form-group {
    margin-bottom: var(--space-sm);
}

.customer-data-section .form-group input {
    background: var(--color-bg);
}

/* Project Summary in Modal */
.project-summary {
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-top: var(--space-md);
}

.project-summary h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    padding: var(--space-xs) 0;
}

.summary-row span:first-child {
    color: var(--color-text-secondary);
}

.summary-row span:last-child {
    font-weight: 500;
    color: var(--color-text);
}

/* Danger Button */
.btn-danger {
    background: var(--color-error);
    color: white;
    border: none;
}

.btn-danger:hover {
    background: #E5342B;
}

.text-muted {
    color: var(--color-text-secondary);
    font-size: 13px;
}

/* Responsive Projects */
@media (max-width: 768px) {
    .projects-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .projects-header-left,
    .projects-header-right {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-box {
        min-width: 100%;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
}