/* ========================================
   Modern Design System - Cakrawala Hub
   Enhanced with Smooth Animations & Micro-interactions
   ======================================== */

:root {
    /* Primary Colors - Enhanced Gradient System */
    --primary-color: #2563eb;
    --primary-light: #3b82f6;
    --primary-dark: #1e40af;
    --primary-gradient: linear-gradient(135deg, #2563eb 0%, #3b82f6 50%, #60a5fa 100%);
    --secondary-color: #7c3aed;
    --secondary-light: #8b5cf6;
    --secondary-dark: #6d28d9;
    --secondary-gradient: linear-gradient(135deg, #7c3aed 0%, #8b5cf6 50%, #a78bfa 100%);
    
    /* Status Colors */
    --success-color: #10b981;
    --success-light: #34d399;
    --success-gradient: linear-gradient(135deg, #10b981, #34d399);
    --warning-color: #f59e0b;
    --warning-light: #fbbf24;
    --warning-gradient: linear-gradient(135deg, #f59e0b, #fbbf24);
    --danger-color: #ef4444;
    --danger-light: #f87171;
    --danger-gradient: linear-gradient(135deg, #ef4444, #f87171);
    --info-color: #06b6d4;
    --info-gradient: linear-gradient(135deg, #06b6d4, #22d3ee);
    
    /* Neutral Colors */
    --background-color: #f8fafc;
    --background-secondary: #f1f5f9;
    --card-background: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-tertiary: #94a3b8;
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    
    /* Shadows - Enhanced Elevation System */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.04);
    --shadow-md: 0 8px 16px -4px rgb(0 0 0 / 0.1), 0 4px 8px -2px rgb(0 0 0 / 0.06);
    --shadow-lg: 0 16px 32px -8px rgb(0 0 0 / 0.12), 0 8px 16px -4px rgb(0 0 0 / 0.08);
    --shadow-xl: 0 24px 48px -12px rgb(0 0 0 / 0.18), 0 12px 24px -6px rgb(0 0 0 / 0.12);
    --shadow-2xl: 0 32px 64px -16px rgb(0 0 0 / 0.24), 0 16px 32px -8px rgb(0 0 0 / 0.16);
    --shadow-colored: 0 20px 40px -12px rgba(37, 99, 235, 0.25);
    
    /* Typography */
    --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    --font-weight-black: 900;
    
    /* Spacing Scale */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius: 12px;
    --radius-md: 16px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --radius-full: 9999px;
    
    /* Transitions - Enhanced Timing Functions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --transition-smooth: 400ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ========================================
   Base Styles
   ======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-base);
    background: var(--background-color);
    max-width: 480px;
    margin: 0 auto;
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    opacity: 0;
    transition: opacity var(--transition-slow);
    position: relative;
}

body.loaded {
    opacity: 1;
}

/* ========================================
   Login Screen - Ultra Modern Design
   ======================================== */

#login-screen {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: var(--spacing-lg);
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* Enhanced Animated Background */
.login-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.login-circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
    animation: float 25s ease-in-out infinite;
}

.login-circle-1 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    top: -250px;
    right: -250px;
    animation-delay: 0s;
}

.login-circle-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    bottom: -200px;
    left: -200px;
    animation-delay: 8s;
}

.login-circle-3 {
    width: 350px;
    height: 350px;
    background: linear-gradient(135deg, #06b6d4, #22d3ee);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 16s;
}

.login-mesh {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    animation: meshMove 30s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { 
        transform: translate(0, 0) rotate(0deg) scale(1); 
    }
    25% { 
        transform: translate(-20px, -30px) rotate(5deg) scale(1.05); 
    }
    50% { 
        transform: translate(20px, 20px) rotate(-5deg) scale(0.95); 
    }
    75% { 
        transform: translate(-30px, 15px) rotate(3deg) scale(1.02); 
    }
}

@keyframes meshMove {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.5; }
}

/* Enhanced Login Card with Glassmorphism */
.login-card {
    width: 100%;
    max-width: 420px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    padding: var(--spacing-2xl) var(--spacing-xl);
    border-radius: var(--radius-2xl);
    box-shadow: 
        0 8px 32px 0 rgba(31, 38, 135, 0.15),
        0 0 0 1px rgba(255, 255, 255, 0.3) inset,
        var(--shadow-2xl);
    border: 1px solid rgba(255, 255, 255, 0.3);
    position: relative;
    z-index: 1;
    animation: slideUp 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    transform-origin: bottom;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.login-logo {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.logo-icon {
    width: 90px;
    height: 90px;
    margin: 0 auto var(--spacing-md);
    background: var(--primary-gradient);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-colored);
    animation: scaleIn 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) 0.3s backwards;
    position: relative;
    overflow: hidden;
}

.logo-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transform: rotate(45deg);
    animation: shine 3s infinite;
}

.logo-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: slideShine 2s infinite;
}

@keyframes shine {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

@keyframes slideShine {
    0% { left: -100%; }
    100% { left: 200%; }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.5) rotate(-10deg);
    }
    to {
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
}

.logo-icon i {
    font-size: 52px;
    color: white;
    position: relative;
    z-index: 1;
    animation: iconPulse 2s ease-in-out infinite;
}

@keyframes iconPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.login-card h1 {
    font-size: 32px;
    font-weight: var(--font-weight-extrabold);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    background: linear-gradient(135deg, #2563eb 0%, #7c3aed 50%, #2563eb 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease-in-out infinite;
    letter-spacing: -0.5px;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% center; }
    50% { background-position: 100% center; }
}

.login-subtitle {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    font-size: 15px;
    line-height: 1.5;
    font-weight: var(--font-weight-medium);
}

/* Enhanced Login Divider */
.login-divider {
    position: relative;
    text-align: center;
    margin: var(--spacing-xl) 0;
}

.login-divider::before,
.login-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 43%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.login-divider::before { left: 0; }
.login-divider::after { right: 0; }

.login-divider span {
    background: rgba(255, 255, 255, 0.98);
    padding: 0 var(--spacing-md);
    color: var(--text-tertiary);
    font-size: 13px;
    font-weight: var(--font-weight-semibold);
    position: relative;
}

/* Enhanced Login Links */
.login-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.login-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-sm);
    background: var(--background-color);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text-primary);
    font-weight: var(--font-weight-semibold);
    font-size: 14px;
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.login-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.1), transparent);
    transition: left var(--transition-smooth);
}

.login-link:hover::before {
    left: 100%;
}

.login-link:hover {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.login-link:active {
    transform: translateY(-1px);
}

.login-link i {
    font-size: 32px;
    color: var(--primary-color);
    transition: transform var(--transition-smooth);
}

.login-link:hover i {
    transform: scale(1.1) rotate(5deg);
}

/* ========================================
   Form Styles - Ultra Modern Input Design
   ======================================== */

.form-group {
    margin-bottom: var(--spacing-lg);
    text-align: left;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 16px;
    font-size: 22px;
    color: var(--text-tertiary);
    pointer-events: none;
    transition: all var(--transition-base);
    z-index: 1;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 16px 16px 16px 50px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 15px;
    font-family: var(--font-base);
    color: var(--text-primary);
    background: white;
    transition: all var(--transition-base);
    outline: none;
    font-weight: var(--font-weight-medium);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
    transform: translateY(-1px);
}

.form-group input:focus ~ .input-icon,
.form-group input:not(:placeholder-shown) ~ .input-icon {
    color: var(--primary-color);
    transform: scale(1.1);
}

.toggle-password {
    position: absolute;
    right: 16px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    z-index: 1;
}

.toggle-password:hover {
    color: var(--primary-color);
    background: rgba(37, 99, 235, 0.1);
}

.toggle-password i {
    font-size: 20px;
}

/* ========================================
   Buttons - Enhanced with Ripple Effect
   ======================================== */

.btn {
    padding: 16px var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: var(--font-weight-semibold);
    font-family: var(--font-base);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    outline: none;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width var(--transition-smooth), height var(--transition-smooth);
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-content {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn-ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    pointer-events: none;
    transform: scale(0);
    opacity: 1;
}

.btn-ripple.active {
    animation: ripple 0.6s ease-out;
}

@keyframes ripple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

.btn-primary {
    background: var(--primary-gradient);
    background-size: 200% auto;
    color: white;
    box-shadow: var(--shadow-colored);
    animation: gradientMove 3s ease infinite;
}

@keyframes gradientMove {
    0%, 100% { background-position: 0% center; }
    50% { background-position: 100% center; }
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 24px 48px -12px rgba(37, 99, 235, 0.35),
        0 12px 24px -6px rgba(37, 99, 235, 0.2);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--background-secondary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    background: white;
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-danger {
    background: var(--danger-gradient);
    background-size: 200% auto;
    color: white;
    box-shadow: 0 20px 40px -12px rgba(239, 68, 68, 0.25);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 24px 48px -12px rgba(239, 68, 68, 0.35);
}

.btn-success {
    background: var(--success-gradient);
    background-size: 200% auto;
    color: white;
    box-shadow: 0 20px 40px -12px rgba(16, 185, 129, 0.25);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 24px 48px -12px rgba(16, 185, 129, 0.35);
}

.btn-group {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* ========================================
   Header - Enhanced Design
   ======================================== */

.header {
    position: sticky;
    top: 0;
    z-index: 998;
    background: white;
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    isolation: isolate;
}

.header-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    opacity: 0.05;
    z-index: 0;
}

.header-content {
    padding: var(--spacing-md) var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-title h1 {
    font-size: 22px;
    font-weight: var(--font-weight-extrabold);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 2px;
    letter-spacing: -0.5px;
}

.header-title p {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
}

.header-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.notification-btn {
    position: relative;
    width: 44px;
    height: 44px;
    border-radius: var(--radius);
    border: none;
    background: var(--background-color);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.notification-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.notification-btn:active {
    transform: translateY(0);
}

.notification-btn i {
    font-size: 22px;
}

.notification-badge {
    position: absolute;
    top: 6px;
    right: 6px;
    background: var(--danger-gradient);
    color: white;
    border-radius: var(--radius-full);
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    font-size: 11px;
    font-weight: var(--font-weight-bold);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid white;
    animation: badgePop 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes badgePop {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.notification-ping {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 20px;
    height: 20px;
    border-radius: var(--radius-full);
    background: var(--danger-color);
    animation: ping 1.5s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes ping {
    75%, 100% {
        transform: scale(2);
        opacity: 0;
    }
}

/* ========================================
   Content Area
   ======================================== */

.content {
    padding: var(--spacing-lg);
    padding-bottom: 100px;
    min-height: calc(100vh - 160px);
    animation: contentFadeIn var(--transition-slow);
}

@keyframes contentFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* ========================================
   Cards - Enhanced with Hover Effects
   ======================================== */

.card {
    background: var(--card-background);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.05), transparent);
    transition: left var(--transition-smooth);
}

.card:hover::before {
    left: 100%;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(37, 99, 235, 0.2);
}

.card.clickable {
    cursor: pointer;
}

.card.clickable:active {
    transform: translateY(-2px);
}

.section-title {
    font-size: 20px;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 48px;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
}

/* ========================================
   Bottom Navigation - Enhanced
   ======================================== */

.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    margin: 0 auto;
    width: 100%;
    max-width: 480px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-top: 1px solid var(--border-light);
    box-shadow: 0 -4px 16px -4px rgba(0, 0, 0, 0.1);
    z-index: 999;
    isolation: isolate;
}

.nav-items {
    display: flex;
    justify-content: space-around;
    padding: var(--spacing-sm) 0;
}

.nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    border: none;
    background: none;
    cursor: pointer;
    color: var(--text-tertiary);
    font-size: 11px;
    font-weight: var(--font-weight-semibold);
    font-family: var(--font-base);
    transition: all var(--transition-base);
    position: relative;
}

.nav-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.nav-item.active::before {
    opacity: 1;
}

.nav-item i {
    font-size: 24px;
    transition: all var(--transition-base);
}

.nav-item:hover i {
    transform: translateY(-2px);
}

.nav-item.active {
    color: var(--primary-color);
}

.nav-item.active i {
    transform: scale(1.1);
}

/* ========================================
   Modal - Ultra Enhanced
   ======================================== */

.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    animation: fadeIn var(--transition-base);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-overlay.closing {
    animation: fadeOut var(--transition-base);
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

.modal-content {
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    max-width: 440px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: var(--shadow-2xl);
    animation: modalSlideUp var(--transition-smooth);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

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

.modal-overlay.closing .modal-content {
    animation: modalSlideDown var(--transition-base);
}

@keyframes modalSlideDown {
    from {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    to {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
}

.modal-header-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-light);
}

.modal-header {
    font-size: 22px;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin: 0;
}

.modal-close {
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    border: none;
    background: var(--background-color);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--danger-color);
    color: white;
    transform: rotate(90deg);
}

.modal-close i {
    font-size: 22px;
}

.modal-body {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    max-height: 50vh;
    overflow-y: auto;
    padding-right: var(--spacing-sm);
}

.modal-body::-webkit-scrollbar {
    width: 8px;
}

.modal-body::-webkit-scrollbar-track {
    background: var(--background-color);
    border-radius: var(--radius-full);
}

.modal-body::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-full);
    transition: background var(--transition-fast);
}

.modal-body::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* ========================================
   Profile Components - Enhanced
   ======================================== */

.profile-card {
    background: var(--primary-gradient);
    background-size: 200% 200%;
    color: white;
    position: relative;
    overflow: hidden;
    animation: gradientPulse 5s ease-in-out infinite;
}

@keyframes gradientPulse {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.profile-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 70%);
    animation: rotate 25s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.profile-pic-container {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.profile-pic {
    width: 120px;
    height: 120px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 4px solid rgba(255, 255, 255, 0.4);
    box-shadow: var(--shadow-xl);
    background: var(--border-color);
    transition: all var(--transition-smooth);
    animation: profileFloat 3s ease-in-out infinite;
}

@keyframes profileFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.profile-pic:hover {
    transform: scale(1.05);
    border-color: white;
}

.profile-pic-upload-btn {
    position: absolute;
    bottom: 0;
    right: calc(50% - 60px);
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background: white;
    color: var(--primary-color);
    border: 3px solid var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-bounce);
}

.profile-pic-upload-btn:hover {
    transform: scale(1.15) rotate(10deg);
    box-shadow: var(--shadow-xl);
}

.profile-pic-upload-btn .ph {
    font-size: 22px;
}

#profile-photo-input {
    display: none;
}

.profile-menu-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-light);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
}

.profile-menu-item::before {
    content: '';
    position: absolute;
    left: -var(--spacing-lg);
    width: 4px;
    height: 0%;
    background: var(--primary-gradient);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    transition: height var(--transition-base);
}

.profile-menu-item:hover::before {
    height: 100%;
}

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

.profile-menu-item:hover {
    padding-left: var(--spacing-md);
    background: var(--background-color);
    margin: 0 calc(var(--spacing-lg) * -1);
    padding-left: var(--spacing-xl);
    padding-right: var(--spacing-lg);
    border-radius: var(--radius-md);
}

.profile-menu-item .ph {
    font-size: 24px;
    color: var(--primary-color);
    margin-right: var(--spacing-md);
    transition: transform var(--transition-bounce);
}

.profile-menu-item:hover .ph {
    transform: scale(1.2) rotate(5deg);
}

.profile-menu-item p {
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    font-size: 15px;
}

.profile-menu-item .ph-caret-right {
    margin-left: auto;
    color: var(--text-tertiary);
    font-size: 18px;
    transition: transform var(--transition-base);
}

.profile-menu-item:hover .ph-caret-right {
    transform: translateX(4px);
}

/* ========================================
   Stats Grid - Enhanced
   ======================================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.stat-card {
    background: var(--card-background);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-smooth);
}

.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.stat-value {
    font-size: 36px;
    font-weight: var(--font-weight-extrabold);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    margin-bottom: var(--spacing-xs);
    animation: countUp 0.8s ease-out;
}

@keyframes countUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stat-label {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
    font-weight: var(--font-weight-semibold);
    line-height: 1.4;
}

/* ========================================
   Timeline - Enhanced
   ======================================== */

.timeline {
    border-left: 3px solid var(--border-color);
    padding-left: var(--spacing-lg);
    margin-left: var(--spacing-sm);
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: -3px;
    top: 0;
    width: 3px;
    height: 0%;
    background: var(--primary-gradient);
    animation: timelineGrow 1s ease-out forwards;
}

@keyframes timelineGrow {
    to { height: 100%; }
}

.timeline-item {
    position: relative;
    padding-bottom: var(--spacing-xl);
    animation: timelineSlideIn 0.6s ease-out backwards;
}

@keyframes timelineSlideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.timeline-item:nth-child(2) { animation-delay: 0.1s; }
.timeline-item:nth-child(3) { animation-delay: 0.2s; }
.timeline-item:nth-child(4) { animation-delay: 0.3s; }

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-item::before {
    content: '';
    width: 18px;
    height: 18px;
    background: var(--card-background);
    border: 4px solid var(--border-color);
    border-radius: var(--radius-full);
    position: absolute;
    left: -32px;
    top: 4px;
    transition: all var(--transition-smooth);
    box-shadow: var(--shadow-sm);
    animation: timelineDotPop 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55) backwards;
}

@keyframes timelineDotPop {
    from {
        transform: scale(0);
    }
    to {
        transform: scale(1);
    }
}

.timeline-item.active::before {
    background: var(--primary-gradient);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 6px rgba(37, 99, 235, 0.2);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.4);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(37, 99, 235, 0);
    }
}

.timeline-item:hover::before {
    transform: scale(1.3);
    border-color: var(--primary-color);
}

/* ========================================
   Loader - Enhanced
   ======================================== */

.loader {
    border: 4px solid var(--border-light);
    border-top: 4px solid transparent;
    border-radius: var(--radius-full);
    width: 48px;
    height: 48px;
    animation: spin 1s cubic-bezier(0.5, 0, 0.5, 1) infinite;
    margin: var(--spacing-xl) auto;
    position: relative;
}

.loader::before {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    border-radius: var(--radius-full);
    border: 4px solid transparent;
    border-top-color: var(--primary-color);
    animation: spin 0.6s linear infinite reverse;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ========================================
   Badge & Tags - Enhanced
   ======================================== */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: var(--font-weight-semibold);
    transition: all var(--transition-base);
}

.badge-primary {
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    border: 1px solid rgba(37, 99, 235, 0.2);
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.badge:hover {
    transform: scale(1.05);
}

/* ========================================
   Utility Classes
   ======================================== */

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-center { text-align: center; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

/* ========================================
   Skeleton Loading States
   ======================================== */

.skeleton {
    background: linear-gradient(
        90deg,
        var(--border-light) 0%,
        var(--background-secondary) 50%,
        var(--border-light) 100%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius);
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.skeleton-text {
    height: 16px;
    margin-bottom: var(--spacing-sm);
}

.skeleton-title {
    height: 24px;
    width: 60%;
    margin-bottom: var(--spacing-md);
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 480px) {
    :root {
        --spacing-md: 12px;
        --spacing-lg: 18px;
        --spacing-xl: 24px;
    }
    
    .login-card {
        padding: var(--spacing-xl) var(--spacing-lg);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .btn-group {
        flex-direction: column;
    }
    
    .login-card h1 {
        font-size: 26px;
    }
    
    .logo-icon {
        width: 80px;
        height: 80px;
    }
}

@media (max-width: 360px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Print Styles
   ======================================== */

@media print {
    .header,
    .bottom-nav,
    .notification-btn,
    .btn {
        display: none !important;
    }
    
    .card {
        break-inside: avoid;
        box-shadow: none;
    }
    
    body {
        background: white;
    }
}

/* ========================================
   Sub-Navigation Tabs - Enhanced
   ======================================== */

.sub-nav {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-sm);
    background: var(--background-secondary);
    border-radius: var(--radius-md);
    overflow-x: auto;
    scrollbar-width: none;
}

.sub-nav::-webkit-scrollbar {
    display: none;
}

.sub-nav-item {
    flex-shrink: 0;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius);
    background: transparent;
    border: 2px solid transparent;
    color: var(--text-secondary);
    font-weight: var(--font-weight-semibold);
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.sub-nav-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: -1;
}

.sub-nav-item:hover {
    color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
}

.sub-nav-item.active {
    background: white;
    color: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: var(--shadow);
}

.sub-nav-item.active::before {
    opacity: 0.05;
}

/* ========================================
   Additional Enhancements
   ======================================== */

/* Smooth focus states */
*:focus {
    outline: none;
}

*:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Selection styling */
::selection {
    background: rgba(37, 99, 235, 0.2);
    color: var(--text-primary);
}

::-moz-selection {
    background: rgba(37, 99, 235, 0.2);
    color: var(--text-primary);
}

/* Improved link styling */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Enhanced form validation states */
input:invalid:not(:placeholder-shown) {
    border-color: var(--danger-color);
}

input:valid:not(:placeholder-shown) {
    border-color: var(--success-color);
}

/* Stagger animation helper */
.stagger-item {
    animation: fadeInUp 0.6s ease-out backwards;
}

.stagger-item:nth-child(1) { animation-delay: 0.05s; }
.stagger-item:nth-child(2) { animation-delay: 0.1s; }
.stagger-item:nth-child(3) { animation-delay: 0.15s; }
.stagger-item:nth-child(4) { animation-delay: 0.2s; }
.stagger-item:nth-child(5) { animation-delay: 0.25s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Enhanced checklist */
.checklist-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 14px;
    color: var(--text-primary);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.checklist-item:hover {
    background: var(--background-color);
    transform: translateX(4px);
}

.checklist-item i {
    color: var(--success-color);
    font-size: 18px;
}

/* ========================================
   Custom Video Player Modal
   ======================================== */

.modal-content.video-modal {
    padding: 0;
    max-height: 90vh;
    background: #000;
    overflow: hidden;
}

.video-player-container {
    position: relative;
    width: 100%;
    height: auto;
    background: #000;
    display: flex;
    flex-direction: column;
}

.video-player-container video {
    width: 100%;
    height: auto;
    max-height: 70vh;
    background: #000;
}

.video-controls {
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    width: 100%;
    z-index: 2;
}

.video-progress-bar {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
    cursor: not-allowed; /* Tidak bisa di-klik */
    overflow: hidden;
}

.video-progress-fill {
    width: 0%;
    height: 100%;
    background: var(--primary-color);
    border-radius: 3px;
    transition: width 0.1s linear;
}

.video-control-buttons {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 8px;
}

.video-control-buttons button {
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-full);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast);
}

.video-control-buttons button:hover {
    background: rgba(255, 255, 255, 0.2);
}

.video-time {
    font-size: 13px;
    font-weight: 500;
    color: white;
}

/* ========================================
   YouTube/Embed Video Modal
   ======================================== */

.modal-content.video-modal {
    padding: 0;
    max-height: 90vh;
    background: #000;
    overflow: hidden;
    width: 100%;
    /* Atur agar modal lebih lebar di desktop, tapi tetap pas di mobile */
    max-width: 640px; 
}

/* Beri latar belakang putih untuk header dan footer modal */
.modal-content.video-modal .modal-header-wrapper {
    background: white;
    padding: var(--spacing-lg);
    margin-bottom: 0;
    border-bottom: 1px solid var(--border-color);
}

.modal-content.video-modal .modal-body {
    padding: 0;
    margin-bottom: 0;
    /* Jaga rasio aspek 16:9 untuk video */
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
}

.modal-content.video-modal .modal-body iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.modal-content.video-modal .btn-group {
    background: white;
    padding: var(--spacing-lg);
    margin-top: 0;
    border-top: 1px solid var(--border-color);
}

/* Hapus CSS Player Kustom (jika masih ada) */
.video-player-container, .video-controls {
    display: none;
}

/* ========================================
   Dashboard Quick Actions
   ======================================== */

.quick-action-btn {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 12px;
    padding: 12px 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: white;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}
.quick-action-btn:hover {
    background: rgba(255,255,255,0.25);
    transform: translateY(-2px);
}
.quick-action-btn i {
    font-size: 24px;
}