/* GoldSilverNow Premium Financial Dashboard Design System */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    /* Typography */
    --font-heading: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Layout Sizes */
    --container-max-width: 1280px;
    --border-radius-sm: 8px;
    --border-radius-md: 14px;
    --border-radius-lg: 24px;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    /* Color Tokens (Dark mode default) */
    --bg-color: #080d1a;
    --bg-gradient-start: #080d1a;
    --bg-gradient-end: #0f172a;
    
    --card-bg: rgba(15, 23, 42, 0.65);
    --card-border: rgba(255, 255, 255, 0.05);
    --card-glow: rgba(251, 191, 36, 0.02);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #475569;
    
    --gold: #f59e0b;
    --gold-rgb: 245, 158, 11;
    --gold-hover: #d97706;
    --gold-light: rgba(245, 158, 11, 0.1);
    
    --silver: #cbd5e1;
    --silver-rgb: 203, 213, 225;
    --silver-hover: #94a3b8;
    --silver-light: rgba(203, 213, 225, 0.1);

    --primary: #3b82f6;
    --primary-hover: #2563eb;
    
    --success: #10b981;
    --success-light: rgba(16, 185, 129, 0.1);
    --danger: #ef4444;
    --danger-light: rgba(239, 68, 68, 0.1);
    
    --nav-bg: rgba(8, 13, 26, 0.8);
    --nav-border: rgba(255, 255, 255, 0.03);
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.25), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
    
    color-scheme: dark light;
}

/* Light Theme Variables */
html[data-theme="light"] {
    --bg-color: #f8fafc;
    --bg-gradient-start: #f8fafc;
    --bg-gradient-end: #f1f5f9;
    
    --card-bg: rgba(255, 255, 255, 0.9);
    --card-border: rgba(15, 23, 42, 0.06);
    --card-glow: rgba(0, 0, 0, 0.01);
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --nav-bg: rgba(248, 250, 252, 0.85);
    --nav-border: rgba(15, 23, 42, 0.05);
    
    --gold: #d97706;
    --gold-hover: #b45309;
    
    --silver: #64748b;
    --silver-hover: #475569;
    
    --shadow-lg: 0 20px 25px -5px rgba(15, 23, 42, 0.05), 0 10px 10px -5px rgba(15, 23, 42, 0.03);
    
    color-scheme: light dark;
}

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

body {
    font-family: var(--font-sans);
    background: radial-gradient(circle at 50% 0%, var(--bg-gradient-end) 0%, var(--bg-gradient-start) 100%);
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-smooth);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Containers */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* Header & Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--nav-bg);
    border-bottom: 1px solid var(--nav-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: var(--transition-smooth);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 800;
    color: var(--text-primary);
}

.logo-emoji {
    -webkit-text-fill-color: initial;
    text-fill-color: initial;
}

.logo-text {
    background: linear-gradient(135deg, var(--gold) 0%, var(--silver) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a:hover {
    color: var(--gold);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    border: none;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-primary {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: #ffffff;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-gold {
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-hover) 100%);
    color: #000000;
}
.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--card-border);
    color: var(--text-primary);
}
.btn-outline:hover {
    background: var(--card-border);
}

/* Glassmorphism Cards */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 24px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, var(--card-glow) 0%, transparent 70%);
    pointer-events: none;
}

.card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.12);
}

/* Financial Dashboard Grids */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.ticker-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ticker-info h3 {
    font-size: 14px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.ticker-value {
    font-size: 32px;
    font-weight: 800;
    font-family: var(--font-heading);
}

.ticker-change {
    font-size: 14px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    border-radius: 6px;
}

.change-up {
    color: var(--success);
    background-color: var(--success-light);
}

.change-down {
    color: var(--danger);
    background-color: var(--danger-light);
}

/* Main Content Area */
main {
    flex: 1;
    margin-top: 140px; /* Nav height offset (72px navbar + 68px spacing) */
    padding-bottom: 64px;
}

/* Flash alert spacing handler */
.flash-container {
    margin-top: 88px;
    margin-bottom: 16px;
    position: relative;
    z-index: 10;
}

.flash-container + main {
    margin-top: 16px; /* Override standard offset when flash messages are present */
}

.page-header {
    margin-bottom: 32px;
    text-align: center;
}

.page-header h1 {
    font-size: 36px;
    margin-bottom: 12px;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 16px;
    max-width: 600px;
    margin: 0 auto;
}

/* Charts Containers */
.chart-container {
    width: 100%;
    height: 350px;
    margin-top: 24px;
}

/* Table Style */
.table-responsive {
    overflow-x: auto;
    width: 100%;
}

table.financial-table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    text-align: left;
}

table.financial-table th {
    padding: 16px;
    border-bottom: 2px solid var(--card-border);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 14px;
}

table.financial-table td {
    padding: 16px;
    border-bottom: 1px solid var(--card-border);
    font-size: 15px;
}

table.financial-table tr:hover td {
    background-color: rgba(255, 255, 255, 0.02);
}

/* Forms styling */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: rgba(15, 23, 42, 0.3);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 15px;
    transition: var(--transition-smooth);
}

.form-control:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.15);
}

/* Theme Switch Button */
.theme-toggle {
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    transition: var(--transition-smooth);
    border: 1px solid var(--card-border);
}

.theme-toggle:hover {
    background: var(--card-border);
}

/* Footer Styling */
footer {
    background-color: rgba(8, 13, 26, 0.95);
    border-top: 1px solid var(--nav-border);
    padding: 48px 0 24px 0;
    font-size: 14px;
    color: var(--text-secondary);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    margin-bottom: 48px;
}

.footer-col h4 {
    color: var(--text-primary);
    font-size: 16px;
    margin-bottom: 16px;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a:hover {
    color: var(--gold);
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--card-border);
}

/* Market Overview Grid & Snapshots */
.snapshot-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
    margin-top: 32px;
}

@media (max-width: 992px) {
    .snapshot-container {
        grid-template-columns: 1fr;
    }
}

/* Desktop vs Mobile navigation display actions */
.mobile-close-container {
    display: none;
}

.mobile-only-action {
    display: none;
    width: 100%;
}

.desktop-only-action {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 998;
    transition: var(--transition-smooth);
}

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

/* Mobile Nav Toggle */
.mobile-nav-btn {
    display: none;
    font-size: 24px;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
}

@media (max-width: 768px) {
    .nav-container {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    
    .logo {
        order: 1;
    }
    
    .nav-actions {
        order: 2;
        margin-left: auto;
        margin-right: 12px;
    }
    
    .mobile-nav-btn {
        order: 3;
        display: block;
        padding: 4px;
        margin-right: -4px;
    }
    
    .desktop-only-action {
        display: none;
    }
    
    .mobile-close-container {
        display: flex;
        justify-content: flex-end;
        width: 100%;
        margin-bottom: 12px;
    }
    
    .mobile-close-btn {
        background: none;
        border: none;
        color: var(--text-primary);
        font-size: 24px;
        cursor: pointer;
        padding: 8px;
        transition: var(--transition-smooth);
    }
    
    .mobile-close-btn:hover {
        color: var(--gold);
        transform: rotate(90deg);
    }
    
    .mobile-only-action {
        display: block;
        margin-top: 16px;
        border-top: 1px solid var(--card-border);
        padding-top: 24px;
    }
    
    .nav-links {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        position: fixed;
        top: 0;
        right: -300px;
        width: 290px;
        height: 100vh;
        background-color: var(--bg-color);
        background: var(--nav-bg);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        border-left: 1px solid var(--nav-border);
        padding: 24px 32px;
        gap: 20px;
        z-index: 999;
        box-shadow: var(--shadow-lg);
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        overflow-y: auto;
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links li {
        width: 100%;
    }
    
    .nav-links a {
        display: block;
        padding: 8px 0;
        font-size: 16px;
        font-weight: 600;
        width: 100%;
    }
}