/*
 * VIKI Glass Morphism Theme
 * Modern 2025 Design System
 * Inspired by fluent design principles
 */

/* ============================================
   GLOBAL GLASS VARIABLES
   ============================================ */
:root {
    /* Glass Effect Variables */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.18);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
    --glass-blur: 12px;

    /* Sidebar Variables */
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 80px;
    --sidebar-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    /* Spacing & Shadows */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Modern Shadows */
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --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 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Accent Colors */
    --accent-primary: #8b5cf6;
    --accent-secondary: #3b82f6;
    --accent-success: #10b981;
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;

    /* Glass Gradients */
    --gradient-purple: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-blue: linear-gradient(135deg, #667eea 0%, #28a8ea 100%);
    --gradient-pink: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

/* ============================================
   ENHANCED BODY & WRAPPER
   ============================================ */
body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-attachment: fixed;
    font-family: 'Inter', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
}

.wrapper {
    position: relative;
    z-index: 1;
}

/* ============================================
   GLASS MORPHISM SIDEBAR
   ============================================ */
.sidebar-wrapper {
    width: var(--sidebar-width);
    background: var(--glass-bg) !important;
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-right: 1px solid var(--glass-border) !important;
    box-shadow: var(--glass-shadow);
    transition: var(--sidebar-transition);
    z-index: 1000;
}

/* Sidebar Header Glass Effect */
.sidebar-header {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(59, 130, 246, 0.1) 100%);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--glass-border);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.sidebar-header .logo-text {
    background: var(--gradient-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
}

/* ============================================
   SIDEBAR TOGGLE STATES
   ============================================ */
.wrapper.toggled .sidebar-wrapper {
    width: var(--sidebar-collapsed-width);
}

.wrapper.toggled .sidebar-wrapper .logo-text,
.wrapper.toggled .sidebar-wrapper .menu-title {
    opacity: 0;
    visibility: hidden;
    width: 0;
    overflow: hidden;
}

.wrapper.toggled .sidebar-wrapper .sidebar-header {
    justify-content: center;
}

.wrapper.toggled .sidebar-wrapper .toggle-icon {
    margin: 0 auto;
}

/* ============================================
   ENHANCED PAGE CONTENT WITH PUSH ANIMATION
   ============================================ */
.wrapper .page-content,
.wrapper .top-header {
    margin-left: var(--sidebar-width);
    transition: var(--sidebar-transition);
}

.wrapper .page-content {
    padding: var(--spacing-lg);
}

.wrapper.toggled .page-content,
.wrapper.toggled .top-header {
    margin-left: var(--sidebar-collapsed-width);
}

/* ============================================
   GLASS CARDS & COMPONENTS
   ============================================ */
.card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-lg);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.card-header {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--glass-border);
    border-radius: 16px 16px 0 0 !important;
    padding: var(--spacing-md);
}

/* ============================================
   GLASS TOP HEADER
   ============================================ */
.top-header {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--shadow-md);
    transition: var(--sidebar-transition);
}

/* ============================================
   NAVIGATION ITEMS WITH GLASS EFFECTS
   ============================================ */
.metismenu li a {
    transition: all 0.3s ease;
    border-radius: 12px;
    margin: 4px 8px;
    position: relative;
    overflow: hidden;
}

.metismenu li a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(139, 92, 246, 0.1), transparent);
    transition: left 0.5s ease;
}

.metismenu li a:hover::before {
    left: 100%;
}

.metismenu li a:hover,
.metismenu li a.mm-active {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(59, 130, 246, 0.15) 100%);
    backdrop-filter: blur(8px);
    box-shadow: var(--shadow-sm);
    transform: translateX(4px);
}

/* ============================================
   WELCOME TOUR / ONBOARDING OVERLAY
   ============================================ */
.welcome-tour-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.welcome-tour-overlay.active {
    opacity: 1;
    visibility: visible;
}

.welcome-tour-content {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: var(--spacing-xl);
    max-width: 600px;
    box-shadow: var(--shadow-xl);
    animation: slideIn 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.welcome-tour-content h2 {
    background: var(--gradient-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.welcome-tour-steps {
    list-style: none;
    padding: 0;
    margin: var(--spacing-lg) 0;
}

.welcome-tour-steps li {
    padding: var(--spacing-sm);
    margin: var(--spacing-sm) 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.welcome-tour-steps li .step-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--gradient-purple);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
}

/* ============================================
   INTERACTIVE TOOLTIPS & HINTS
   ============================================ */
.feature-hint {
    position: relative;
    cursor: help;
}

.feature-hint::after {
    content: attr(data-hint);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(8px);
    color: white;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    pointer-events: none;
    z-index: 1000;
}

.feature-hint:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-4px);
}

/* ============================================
   STAT CARDS WITH GLASS EFFECT
   ============================================ */
.stats-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: var(--spacing-md);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.stats-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(30%, -30%);
}

.stats-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* ============================================
   SIDEBAR TOGGLE BUTTON
   ============================================ */
.sidebar-toggle-btn {
    position: fixed;
    top: 20px;
    left: calc(var(--sidebar-width) - 20px);
    width: 40px;
    height: 40px;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1001;
    transition: var(--sidebar-transition);
    box-shadow: var(--shadow-md);
}

.wrapper.toggled .sidebar-toggle-btn {
    left: calc(var(--sidebar-collapsed-width) - 20px);
}

.sidebar-toggle-btn:hover {
    background: rgba(139, 92, 246, 0.2);
    transform: scale(1.1);
}

.sidebar-toggle-btn ion-icon {
    font-size: 24px;
    color: var(--accent-primary);
    transition: transform 0.3s ease;
}

.wrapper.toggled .sidebar-toggle-btn ion-icon {
    transform: rotate(180deg);
}

/* ============================================
   PAGE HEADER WITH GRADIENT
   ============================================ */
.page-title-box {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.page-title {
    background: var(--gradient-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
}

/* ============================================
   BUTTONS WITH GLASS EFFECT
   ============================================ */
.btn-glass {
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    color: var(--accent-primary);
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-glass:hover {
    background: rgba(139, 92, 246, 0.2);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */
@media (max-width: 1024px) {
    .wrapper:not(.toggled) .sidebar-wrapper {
        transform: translateX(-100%);
    }

    .wrapper.toggled .sidebar-wrapper {
        transform: translateX(0);
        width: var(--sidebar-width);
    }

    .wrapper .page-content,
    .wrapper .top-header {
        margin-left: 0;
    }
}

@media (max-width: 768px) {
    :root {
        --sidebar-width: 260px;
    }

    .welcome-tour-content {
        margin: var(--spacing-md);
        padding: var(--spacing-lg);
    }

    .page-title-box {
        padding: var(--spacing-md);
    }
}

/* ============================================
   DARK THEME GLASS ADJUSTMENTS
   ============================================ */
.dark-theme {
    --glass-bg: rgba(17, 24, 39, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

.dark-theme body {
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.shimmer {
    animation: shimmer 2s infinite;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    background-size: 1000px 100%;
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for keyboard navigation */
*:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

button:focus,
a:focus {
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.3);
}