/* Theme Variables */
:root {
    /* Light Mode Colors */
    --bg-gradient-start: #667eea;
    --bg-gradient-end: #764ba2;
    --glass-bg: rgba(255, 255, 255, 0.15);
    --glass-border: rgba(255, 255, 255, 0.3);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.9);
    --text-muted: rgba(255, 255, 255, 0.7);
    --card-bg: rgba(255, 255, 255, 0.1);
    --card-hover-bg: rgba(255, 255, 255, 0.2);
    --shadow-color: rgba(0, 0, 0, 0.1);
    --wave-opacity: 0.05;
    --input-bg: rgba(255, 255, 255, 0.2);
    --input-border: rgba(255, 255, 255, 0.3);
    --tab-active-bg: rgba(255, 255, 255, 0.25);
    --tab-hover-bg: rgba(255, 255, 255, 0.15);
    --badge-bg: rgba(255, 255, 255, 0.2);
    --table-header-bg: rgba(255, 255, 255, 0.1);
    --table-row-hover: rgba(255, 255, 255, 0.1);
    --scrollbar-track: rgba(255, 255, 255, 0.1);
    --scrollbar-thumb: rgba(255, 255, 255, 0.3);
    --login-overlay: rgba(0, 0, 0, 0.4);
}

/* Dark Mode Colors */
[data-theme="dark"] {
    --bg-gradient-start: #1a1a2e;
    --bg-gradient-end: #16213e;
    --glass-bg: rgba(30, 30, 50, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-primary: #e0e0e0;
    --text-secondary: rgba(255, 255, 255, 0.85);
    --text-muted: rgba(255, 255, 255, 0.6);
    --card-bg: rgba(40, 40, 60, 0.6);
    --card-hover-bg: rgba(50, 50, 70, 0.7);
    --shadow-color: rgba(0, 0, 0, 0.4);
    --wave-opacity: 0.02;
    --input-bg: rgba(40, 40, 60, 0.5);
    --input-border: rgba(255, 255, 255, 0.15);
    --tab-active-bg: rgba(100, 100, 150, 0.4);
    --tab-hover-bg: rgba(80, 80, 120, 0.3);
    --badge-bg: rgba(60, 60, 80, 0.5);
    --table-header-bg: rgba(40, 40, 60, 0.5);
    --table-row-hover: rgba(50, 50, 70, 0.4);
    --scrollbar-track: rgba(40, 40, 60, 0.3);
    --scrollbar-thumb: rgba(100, 100, 120, 0.5);
    --login-overlay: rgba(0, 0, 0, 0.7);
}

/* Dark mode adjustments for login page */
[data-theme="dark"] .hero-mask {
    opacity: 0.7 !important;
}

[data-theme="dark"] .hero-wrap .hero-mask {
    background: #000 !important;
}

[data-theme="dark"] .text-white-50 {
    color: rgba(255, 255, 255, 0.7) !important;
}

/* Theme Toggle Button */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 32px var(--shadow-color);
}

.theme-toggle:hover {
    background: var(--card-hover-bg);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px var(--shadow-color);
}

.theme-toggle i {
    font-size: 18px;
    color: var(--text-primary);
    transition: transform 0.3s ease;
}

.theme-toggle:hover i {
    transform: rotate(180deg);
}

.theme-toggle span {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

/* Smooth theme transition */
body,
.glass-container,
.stats-box,
.tab-btn,
.form-control,
.btn,
.table,
.badge,
.card,
.hero-mask,
.hero-wrap {
    transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}