assets/style.css

/* Global SDG Tracker AI - Mobile First Layout System (2025 Edition) */

:root {
    /* Colors */
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --secondary-color: #1d4ed8;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --bg-gradient: linear-gradient(135deg, #0d4f6c 0%, #001a2c 100%);
    --card-bg: rgba(255, 255, 255, 0.95);
    --text-main: #1e293b;
    --text-muted: #64748b;
    --text-light: #f8fafc;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    
    /* Typography */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    
    /* Breakpoints */
    --breakpoint-sm: 640px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
}

/* Mobile First Header Sections */
.main-header {
    background: var(--bg-gradient);
    padding: var(--space-lg) var(--space-md);
    border-radius: 12px;
    color: var(--text-light);
    text-align: center;
    margin-bottom: var(--space-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255,255,255,0.1);
    position: relative;
    overflow: hidden;
}

.main-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(59, 130, 246, 0.1), rgba(29, 78, 216, 0.1));
    pointer-events: none;
}

.main-header > * {
    position: relative;
    z-index: 1;
}

.main-header h1 {
    font-size: var(--text-2xl) !important;
    font-weight: 800 !important;
    margin-bottom: var(--space-sm) !important;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.main-header p {
    font-size: var(--text-sm) !important;
    opacity: 0.9;
    margin: var(--space-xs) 0 !important;
}

/* Tablet and Desktop Adjustments */
@media (min-width: 768px) {
    .main-header {
        padding: var(--space-2xl) var(--space-xl);
        margin-bottom: var(--space-xl);
    }
    
    .main-header h1 {
        font-size: var(--text-4xl) !important;
    }
    
    .main-header p {
        font-size: var(--text-lg) !important;
    }
}

/* Metric Cards */
[data-testid="stMetricValue"] {
    font-size: 2.2rem !important;
    font-weight: 700 !important;
    color: var(--primary-color) !important;
}

/* Default Metric Cards */
[data-testid="stMetric"] {
    background: white;
    padding: 1.5rem !important;
    border-radius: 12px !important;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
    border: 1px solid #e2e8f0 !important;
}

/* Enhanced Sidebar Styling */
section[data-testid="stSidebar"] {
    background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%) !important;
    color: var(--text-light) !important;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-lg);
}

/* Sidebar Metric Cards - Enhanced Dark Theme */
section[data-testid="stSidebar"] [data-testid="stMetric"] {
    background: rgba(15, 23, 42, 0.9) !important;
    backdrop-filter: blur(15px);
    padding: var(--space-lg) !important;
    border-radius: 12px !important;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    margin-bottom: var(--space-md);
    transition: all 0.3s ease;
}

section[data-testid="stSidebar"] [data-testid="stMetric"]:hover {
    background: rgba(30, 41, 59, 0.9) !important;
    border-color: rgba(96, 165, 250, 0.3) !important;
    transform: translateY(-1px);
}

/* Sidebar Metric Values - Enhanced Contrast */
section[data-testid="stSidebar"] [data-testid="stMetricValue"] {
    color: #60a5fa !important;
    font-size: var(--text-2xl) !important;
    font-weight: 700 !important;
    text-shadow: 0 1px 2px rgba(0,0,0,0.5);
    line-height: 1.2;
}

/* Sidebar Metric Labels */
section[data-testid="stSidebar"] [data-testid="stMetricLabel"] {
    color: #cbd5e1 !important;
    font-weight: 600 !important;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
    font-size: var(--text-sm) !important;
}

/* Sidebar Info Boxes */
section[data-testid="stSidebar"] .stInfo {
    background: rgba(15, 23, 42, 0.6) !important;
    border: 1px solid rgba(96, 165, 250, 0.3) !important;
    border-radius: 8px !important;
    padding: 1rem !important;
    color: #e2e8f0 !important;
    backdrop-filter: blur(5px);
}

/* Enhanced Sidebar Styling */
section[data-testid="stSidebar"] {
    background-color: #0f172a !important;
    color: white !important;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

/* Sidebar Enhanced Text Styling */
section[data-testid="stSidebar"] .stMarkdown h1, 
section[data-testid="stSidebar"] .stMarkdown h3 {
    color: #f8fafc !important;
    text-shadow: 0 1px 2px rgba(0,0,0,0.5);
}

/* Enhanced Sidebar Form Elements */
section[data-testid="stSidebar"] .stSelectbox > div > div,
section[data-testid="stSidebar"] .stMultiSelect > div > div {
    background: rgba(15, 23, 42, 0.9) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    border-radius: 8px !important;
    color: var(--text-light) !important;
    transition: all 0.3s ease;
}

section[data-testid="stSidebar"] .stSelectbox > div > div:hover,
section[data-testid="stSidebar"] .stMultiSelect > div > div:hover {
    border-color: rgba(96, 165, 250, 0.5) !important;
    background: rgba(30, 41, 59, 0.9) !important;
}

/* Input Fields */
section[data-testid="stSidebar"] input[type="text"],
section[data-testid="stSidebar"] input[type="number"],
section[data-testid="stSidebar"] textarea {
    background: rgba(15, 23, 42, 0.9) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    border-radius: 6px !important;
    color: var(--text-light) !important;
    padding: var(--space-sm) var(--space-md) !important;
}

section[data-testid="stSidebar"] input[type="text"]:focus,
section[data-testid="stSidebar"] input[type="number"]:focus,
section[data-testid="stSidebar"] textarea:focus {
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2) !important;
}

/* Enhanced Sidebar Buttons */
section[data-testid="stSidebar"] .stButton > button {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color)) !important;
    border: 1px solid var(--secondary-color) !important;
    border-radius: 8px !important;
    color: white !important;
    font-weight: 600 !important;
    font-size: var(--text-sm) !important;
    padding: var(--space-sm) var(--space-md) !important;
    transition: all 0.3s ease !important;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
}

section[data-testid="stSidebar"] .stButton > button:hover {
    background: linear-gradient(135deg, var(--primary-hover), var(--primary-color)) !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

section[data-testid="stSidebar"] .stButton > button:active {
    transform: translateY(0);
}

/* Secondary buttons */
section[data-testid="stSidebar"] .stButton > button[kind="secondary"] {
    background: rgba(15, 23, 42, 0.8) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    color: var(--text-light) !important;
}

section[data-testid="stSidebar"] .stButton > button[kind="secondary"]:hover {
    background: rgba(30, 41, 59, 0.9) !important;
    border-color: rgba(96, 165, 250, 0.5) !important;
}

/* Data Source Badge */
.source-badge {
    background-color: #f1f5f9;
    color: #475569;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
    margin-top: 5px;
    border: 1px solid #e2e8f0;
}

/* Tab Styling */
.stTabs [data-baseweb="tab-list"] {
    gap: 20px;
    background-color: transparent;
}

.stTabs [data-baseweb="tab"] {
    height: 50px;
    white-space: pre-wrap;
    background-color: #f8fafc;
    border-radius: 8px 8px 0px 0px;
    gap: 1px;
    padding-left: 20px;
    padding-right: 20px;
    font-weight: 600;
}

.stTabs [aria-selected="true"] {
    background-color: #3b82f6 !important;
    color: white !important;
}

/* Logo Container */
.logo-container {
    text-align: center;
    padding: 1.5rem;
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    border-radius: 12px;
    margin-bottom: 1.5rem;
    border: 1px solid #475569;
}

.logo-text {
    font-size: 1.6rem;
    font-weight: 700;
    color: #f8fafc;
    margin: 0.5rem 0;
}

.logo-subtitle {
    font-size: 0.8rem;
    color: #94a3b8;
    font-weight: 500;
}

/* Enhanced Mobile Responsive Design */

/* Mobile First Metric Cards */
[data-testid="stMetric"] {
    background: var(--card-bg);
    padding: var(--space-md) !important;
    border-radius: 8px !important;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color) !important;
    margin-bottom: var(--space-sm);
    backdrop-filter: blur(10px);
    transition: all 0.2s ease;
}

[data-testid="stMetric"]:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

[data-testid="stMetricValue"] {
    font-size: var(--text-xl) !important;
    font-weight: 700 !important;
    color: var(--primary-color) !important;
    line-height: 1.2;
}

[data-testid="stMetricLabel"] {
    font-size: var(--text-sm) !important;
    color: var(--text-muted) !important;
    font-weight: 500;
}

/* Mobile Responsive Grid */
.stColumn {
    padding: var(--space-xs) !important;
}

/* Mobile Sidebar Enhancements */
@media (max-width: 768px) {
    /* Hide sidebar by default on mobile */
    section[data-testid="stSidebar"] {
        width: 100% !important;
        max-width: 100% !important;
        position: fixed !important;
        top: 0 !important;
        left: -100% !important;
        height: 100vh !important;
        z-index: 1000 !important;
        transition: left 0.3s ease !important;
        background: rgba(15, 23, 42, 0.98) !important;
        backdrop-filter: blur(10px);
    }
    
    section[data-testid="stSidebar"] > div {
        padding: var(--space-lg) !important;
        overflow-y: auto !important;
        height: 100% !important;
    }
    
    /* Mobile menu toggle button */
    .mobile-menu-toggle {
        position: fixed !important;
        top: var(--space-md) !important;
        left: var(--space-md) !important;
        z-index: 1001 !important;
        background: var(--primary-color) !important;
        color: white !important;
        border: none !important;
        border-radius: 8px !important;
        padding: var(--space-sm) var(--space-md) !important;
        font-size: var(--text-sm) !important;
        font-weight: 600 !important;
        box-shadow: var(--shadow-md) !important;
        cursor: pointer !important;
    }
    
    /* Adjust main content for mobile */
    .main-content {
        margin-top: 70px !important;
        padding: var(--space-md) !important;
    }
    
    /* Stack metric cards on mobile */
    [data-testid="column"] {
        width: 100% !important;
        flex: none !important;
        margin-bottom: var(--space-md) !important;
    }
    
    /* Mobile chart containers */
    .stPlotlyChart {
        height: 300px !important;
        margin-bottom: var(--space-lg) !important;
    }
    
    /* Mobile text adjustments */
    .main-header h1 {
        font-size: var(--text-xl) !important;
    }
    
    .main-header p {
        font-size: var(--text-xs) !important;
    }
}

/* Tablet Optimizations */
@media (min-width: 769px) and (max-width: 1024px) {
    .main-content {
        padding: var(--space-lg) !important;
    }
    
    .stPlotlyChart {
        height: 400px !important;
    }
    
    [data-testid="stMetric"] {
        padding: var(--space-lg) !important;
    }
}

/* Desktop Optimizations */
@media (min-width: 1025px) {
    .main-content {
        padding: var(--space-xl) !important;
    }
    
    .stPlotlyChart {
        height: 500px !important;
    }
    
    /* Enhanced hover effects on desktop */
    [data-testid="stMetric"]:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-lg);
    }
}