@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --accent: #f59e0b;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --surface: #ffffff;
    --surface-hover: #f8fafc;
    --border: #e2e8f0;
    --text: #0f172a;
    --text-muted: #64748b;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.2);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.15);
}

.dark {
    --surface: #1e293b;
    --surface-hover: #334155;
    --border: #334155;
    --text: #f1f5f9;
    --text-muted: #94a3b8;
    --glass-bg: rgba(30, 41, 59, 0.8);
    --glass-border: rgba(51, 65, 85, 0.5);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.25);
}

* {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

@keyframes xpFill {
    from { width: 0%; }
}

.xp-bar-fill {
    animation: xpFill 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

.fade-in {
    animation: fadeInUp 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.fade-in-delay-1 { animation-delay: 0.1s; opacity: 0; }
.fade-in-delay-2 { animation-delay: 0.2s; opacity: 0; }
.fade-in-delay-3 { animation-delay: 0.3s; opacity: 0; }
.fade-in-delay-4 { animation-delay: 0.4s; opacity: 0; }

@keyframes spin-wheel {
    from { transform: rotate(0deg); }
}

.spin-animation {
    transition: transform 4s cubic-bezier(0.17, 0.67, 0.12, 0.99);
}

@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 5px rgba(99, 102, 241, 0.3), 0 0 10px rgba(99, 102, 241, 0.1); }
    50% { box-shadow: 0 0 20px rgba(99, 102, 241, 0.5), 0 0 40px rgba(99, 102, 241, 0.2); }
}

.pulse-glow {
    animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

.slide-up {
    animation: slideUp 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

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

.skeleton {
    background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 50%, #f1f5f9 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
    border-radius: 0.75rem;
}

.dark .skeleton {
    background: linear-gradient(90deg, #1e293b 25%, #334155 50%, #1e293b 75%);
    background-size: 200% 100%;
}

@keyframes countUp {
    from { opacity: 0; transform: scale(0.5); }
    to { opacity: 1; transform: scale(1); }
}

.count-up {
    animation: countUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.float-animation {
    animation: float 4s ease-in-out infinite;
}

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

.btn-ripple {
    position: relative;
    overflow: hidden;
}

.btn-ripple .ripple-effect {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: scale(0);
    animation: ripple 0.6s linear;
    pointer-events: none;
}

.card-hover {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
}

.gradient-primary {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a78bfa 100%);
}

.gradient-accent {
    background: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
}

.gradient-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.gradient-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

.gradient-text {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-border {
    position: relative;
    background: var(--surface);
    border-radius: 1rem;
}

.gradient-border::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    background: linear-gradient(135deg, #6366f1, #8b5cf6, #a78bfa);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gradient-border:hover::before {
    opacity: 1;
}

.stat-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    opacity: 0.05;
    transform: translate(30%, -30%);
    transition: transform 0.3s ease;
}

.stat-card:hover::after {
    transform: translate(20%, -20%) scale(1.2);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.table-premium th {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.table-premium tbody tr {
    transition: background-color 0.15s ease;
}

.table-premium tbody tr:hover {
    background-color: var(--surface-hover);
}

.input-premium {
    transition: all 0.2s ease;
    border: 1.5px solid var(--border);
}

.input-premium:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.dark .input-premium:focus {
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.btn-primary {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
    font-weight: 600;
    transition: all 0.2s ease;
    box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.25);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px 0 rgba(99, 102, 241, 0.35);
}

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

.btn-success {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    font-weight: 600;
    transition: all 0.2s ease;
    box-shadow: 0 4px 14px 0 rgba(16, 185, 129, 0.25);
}

.btn-success:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px 0 rgba(16, 185, 129, 0.35);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    font-weight: 600;
    transition: all 0.2s ease;
    box-shadow: 0 4px 14px 0 rgba(239, 68, 68, 0.25);
}

.btn-danger:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px 0 rgba(239, 68, 68, 0.35);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.025em;
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
}

.dark .badge-success {
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: #d97706;
}

.dark .badge-warning {
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
}

.dark .badge-danger {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
}

.badge-info {
    background: rgba(99, 102, 241, 0.1);
    color: #4f46e5;
}

.dark .badge-info {
    background: rgba(99, 102, 241, 0.15);
    color: #818cf8;
}

.toggle-switch {
    position: relative;
    width: 44px;
    height: 24px;
    background: #cbd5e1;
    border-radius: 9999px;
    transition: background 0.2s ease;
    cursor: pointer;
}

.toggle-switch::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    transition: transform 0.2s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.toggle-switch.active {
    background: #6366f1;
}

.toggle-switch.active::after {
    transform: translateX(20px);
}

.toast {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 9999;
    padding: 1rem 1.5rem;
    border-radius: 1rem;
    font-weight: 500;
    box-shadow: var(--shadow-xl);
    transform: translateX(120%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    max-width: 400px;
}

.toast.show {
    transform: translateX(0);
}

.toast-success {
    background: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.dark .toast-success {
    background: rgba(16, 185, 129, 0.15);
    color: #6ee7b7;
    border-color: rgba(16, 185, 129, 0.3);
}

.toast-error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.dark .toast-error {
    background: rgba(239, 68, 68, 0.15);
    color: #fca5a5;
    border-color: rgba(239, 68, 68, 0.3);
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 1rem;
    border-radius: 0.75rem;
    transition: all 0.2s ease;
    font-size: 0.875rem;
    font-weight: 500;
    position: relative;
}

.sidebar-link:hover {
    background: rgba(99, 102, 241, 0.08);
}

.sidebar-link.active {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
    color: #6366f1;
    font-weight: 600;
}

.dark .sidebar-link.active {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(139, 92, 246, 0.15));
    color: #a5b4fc;
}

.sidebar-link.active::before {
    content: '';
    position: absolute;
    left: -0.25rem;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    background: linear-gradient(180deg, #6366f1, #8b5cf6);
    border-radius: 0 4px 4px 0;
}

::-webkit-scrollbar {
    width: 5px;
    height: 5px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

.dark ::-webkit-scrollbar-thumb {
    background: #475569;
}

.dark ::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}

.hero-gradient {
    background: linear-gradient(135deg, #312e81 0%, #4f46e5 30%, #6366f1 60%, #7c3aed 100%);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer.open {
    max-height: 500px;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.counter-value {
    transition: all 0.5s ease;
}

.page-fade-in > * {
    opacity: 0;
    transform: translateY(12px);
    animation: fadeInUp 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.page-fade-in > *:nth-child(1) { animation-delay: 0s; }
.page-fade-in > *:nth-child(2) { animation-delay: 0.05s; }
.page-fade-in > *:nth-child(3) { animation-delay: 0.1s; }
.page-fade-in > *:nth-child(4) { animation-delay: 0.15s; }
.page-fade-in > *:nth-child(5) { animation-delay: 0.2s; }
.page-fade-in > *:nth-child(6) { animation-delay: 0.25s; }
.page-fade-in > *:nth-child(7) { animation-delay: 0.3s; }
.page-fade-in > *:nth-child(8) { animation-delay: 0.35s; }

@media (max-width: 1023px) {
    .sidebar-mobile-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 40;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s ease;
    }

    .sidebar-mobile-overlay.active {
        opacity: 1;
        pointer-events: auto;
    }
}

@media (max-width: 640px) {
    .mobile-bottom-nav {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 50;
        display: flex;
        justify-content: space-around;
        padding: 0.5rem 0;
        border-top: 1px solid var(--border);
    }

    .mobile-bottom-nav a {
        display: flex;
        flex-direction: column;
        align-items: center;
        font-size: 0.625rem;
        padding: 0.25rem 0.5rem;
        color: var(--text-muted);
        transition: color 0.2s ease;
    }

    .mobile-bottom-nav a.active {
        color: #6366f1;
    }

    .mobile-bottom-nav a i {
        font-size: 1.125rem;
        margin-bottom: 0.125rem;
    }
}

.notification-dot {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 8px;
    height: 8px;
    background: #ef4444;
    border-radius: 50%;
    border: 2px solid white;
}

.dark .notification-dot {
    border-color: #1e293b;
}

@keyframes bounce-subtle {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-3px); }
}

.bounce-subtle {
    animation: bounce-subtle 2s ease-in-out infinite;
}

.progress-ring {
    transition: stroke-dashoffset 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.landing-fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.landing-fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-divider {
    position: relative;
}

.section-divider::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border-radius: 2px;
}