:root {
    /* Premium Colorful Palette (Dark Mode) */
    --bg-color: #0b0e14;
    --bg-gradient: linear-gradient(135deg, #0b0e14 0%, #1a1c24 100%);
    --card-bg: rgba(22, 27, 34, 0.7);
    --text-primary: #f0f6fc;
    --text-secondary: #aab4be;
    /* Improved Professional Dark Palette */
    --accent-color: #2979ff;
    /* Electric Blue - High clarity, trust */
    --accent-gradient: linear-gradient(135deg, #2979ff 0%, #00e5ff 100%);
    /* Blue to Cyan - Modern & tech-focused */
    --border-color: rgba(240, 246, 252, 0.1);
    --danger-color: #ff5252;
    --success-color: #00e676;
    --warning-color: #ffd740;
    --hover-bg: rgba(41, 121, 255, 0.1);
    /* Matches new accent */
    --glass-bg: rgba(23, 28, 35, 0.6);
    --glass-border: rgba(255, 255, 255, 0.08);
    --input-bg: rgba(255, 255, 255, 0.03);
    --checkbox-bg: rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.25);
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
    --bg-color: #f8fafc;
    --bg-gradient: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    --card-bg: rgba(255, 255, 255, 0.8);
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --accent-color: #6366f1;
    --accent-gradient: linear-gradient(90deg, #6366f1 0%, #3b82f6 100%);
    --border-color: rgba(0, 0, 0, 0.05);
    --danger-color: #ef4444;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --hover-bg: rgba(99, 102, 241, 0.05);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.05);
    --input-bg: rgba(0, 0, 0, 0.03);
    --checkbox-bg: rgba(0, 0, 0, 0.05);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-gradient);
    background-attachment: fixed;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 32px;
    margin: 20px 0 40px;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
}

.logo {
    font-size: 1.6rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    margin-left: 20px;
    transition: color 0.2s;
}

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

.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 10px 14px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition-base);
}

.mobile-menu-toggle:hover {
    background: var(--hover-bg);
    border-color: var(--accent-color);
}

.theme-toggle {
    background: var(--hover-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    transition: var(--transition-base);
    margin-left: 20px;
}

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

.theme-toggle i {
    font-size: 1rem;
}

[data-theme="light"] .theme-toggle .fa-sun {
    display: none;
}

[data-theme="dark"] .theme-toggle .fa-moon {
    display: none;
}

/* Dashboard */
.header {
    text-align: center;
    margin-bottom: 40px;
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Search */
.search-section {
    max-width: 600px;
    margin: 0 auto 60px;
    position: relative;
}

.search-bar {
    position: relative;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.search-bar:focus-within {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.2);
}

.search-bar i {
    color: var(--text-secondary);
    margin-right: 15px;
}

.search-bar input {
    width: 100%;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
}

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-color);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--accent-color);
    border-radius: 12px;
    margin-top: 10px;
    max-height: 400px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
    box-shadow: var(--shadow-lg);
}

.search-item {
    padding: 15px;
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.search-item:last-child {
    border-bottom: none;
}

.search-item:hover {
    background-color: var(--hover-bg);
}

.item-info {
    display: flex;
    flex-direction: column;
}

.item-symbol {
    font-weight: 600;
    color: var(--text-primary);
}

.item-name {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.watchlist-usage {
    margin-top: 15px;
    font-size: 1rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
    background: rgba(124, 77, 255, 0.05);
    padding: 10px 20px;
    border-radius: 100px;
    border: 1px dashed var(--glass-border);
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
}

.watchlist-usage strong {
    color: var(--accent-color);
    font-size: 1.1rem;
}

/* Trending Widget */
.trending-widget {
    margin-top: 30px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
}

.trending-widget h4 {
    margin: 0 0 15px 0;
    font-size: 1rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.trending-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.trending-item {
    background: var(--hover-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 12px;
    cursor: pointer;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    gap: 10px;
}

.trending-item:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.trend-symbol {
    font-weight: 600;
    color: var(--text-primary);
}

.trend-badge {
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
}

.trend-count {
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Watchlist Grid (Vertical List) */
.stock-grid {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 800px;
    margin: 0 auto;
}

.stock-card {
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 16px 20px;
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.stock-card::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 4px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: var(--transition-base);
}

.stock-card:hover {
    transform: translateX(5px);
    border-color: var(--accent-color);
    box-shadow: var(--shadow-lg);
}

.stock-card:hover::before {
    opacity: 1;
}

.stock-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 0;
    flex: 1;
}

.stock-header h3 {
    margin: 0;
    font-size: 1.1rem;
    min-width: 80px;
}

/* Badge Styles */
.badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge.NSE {
    background-color: rgba(46, 160, 67, 0.15);
    color: var(--success-color);
}

.badge.BSE {
    background-color: rgba(248, 81, 73, 0.15);
    color: var(--danger-color);
}

.stock-name {
    color: var(--text-secondary);
    margin-bottom: 0;
    font-size: 0.9rem;
    flex: 2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.stock-details {
    display: none;
    /* Hide empty details container */
}

/* Delete Icon Button */
.remove-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 8px;
    border-radius: 50%;
    cursor: pointer;
    width: 36px;
    height: 36px;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    opacity: 0.6;
}

.remove-btn:hover {
    background: rgba(255, 82, 82, 0.1);
    color: var(--danger-color);
    opacity: 1;
    transform: scale(1.1);
}

.remove-btn:hover {
    background: var(--danger-color);
    border-color: var(--danger-color);
    color: white;
}

/* Settings */
.settings-container {
    max-width: 600px;
    margin: 0 auto;
}

.settings-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
}

.form-group {
    margin-bottom: 20px;
}

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

.form-group input {
    width: 100%;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px;
    color: var(--text-primary);
    box-sizing: border-box;
}

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

.help-text {
    display: block;
    margin-top: 5px;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.save-btn {
    background: var(--accent-gradient);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 10px;
    cursor: pointer;
    width: 100%;
    font-weight: 700;
    transition: var(--transition-base);
    box-shadow: 0 4px 15px rgba(124, 77, 255, 0.3);
}

.save-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 20px rgba(124, 77, 255, 0.4);
    opacity: 1;
}

/* Utilities */
.flashes {
    margin-bottom: 20px;
}

.flash-message {
    background: rgba(88, 166, 255, 0.15);
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 10px;
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 20px;
    opacity: 0.5;
}

@media (max-width: 768px) {
    .navbar {
        flex-wrap: wrap;
        padding: 20px;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        margin-top: 20px;
        gap: 10px;
        align-items: stretch;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        margin-left: 0;
        padding: 12px 16px;
        background: var(--hover-bg);
        border-radius: 10px;
        text-align: center;
    }

    .theme-toggle {
        margin-left: 0;
        width: 100%;
        justify-content: center;
    }

    .stock-grid {
        grid-template-columns: 1fr;
    }

    .header h1 {
        font-size: 1.8rem;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }
}

/* Footer */
.footer {
    margin-top: 60px;
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-content p {
    margin-bottom: 20px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--text-primary);
}

/* About Page */
.about-section {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.about-section h1 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    text-align: center;
}

.about-section h2 {
    font-size: 1.8rem;
    margin: 40px 0 20px;
    color: var(--accent-color);
}

.about-section p {
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.feature-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin: 40px 0;
}

@media (max-width: 600px) {
    .feature-list {
        grid-template-columns: 1fr;
    }
}

.feature-item {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.feature-item h3 {
    margin-top: 0;
    color: var(--text-primary);
}