:root {
    --primary: #667eea;
    --secondary: #764ba2;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    --purple: #8b5cf6;
    --pink: #ec4899;
    --teal: #14b8a6;
    --orange: #f97316;
    --indigo: #6366f1;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #1e1e2e 0%, #2d2d44 100%);
    min-height: 100vh;
    color: #fff;
}

/* Navigation */
.navbar {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    box-shadow: 0 5px 30px rgba(0,0,0,0.3);
    padding: 1rem 0;
}

.navbar-brand {
    font-size: 1.8rem;
    font-weight: 900;
    display: flex;
    align-items: center;
    gap: 10px;
}

.navbar-brand .tagline {
    font-size: 0.9rem;
    font-weight: 400;
    opacity: 0.9;
    margin-left: 10px;
}

.api-status {
    background: rgba(255,255,255,0.1);
    padding: 8px 15px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.api-status i {
    font-size: 0.8rem;
}

/* Hero Banner */
.hero-banner {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 50%, #ef4444 100%);
    padding: 80px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.05)" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,154.7C960,171,1056,181,1152,165.3C1248,149,1344,107,1392,85.3L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
    opacity: 0.3;
}

.hero-banner h1 {
    position: relative;
    z-index: 1;
    text-shadow: 2px 2px 10px rgba(0,0,0,0.3);
}

.pulse-icon {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.stats-row {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-top: 40px;
    position: relative;
    z-index: 1;
}

.stat-box {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    padding: 30px 40px;
    border-radius: 20px;
    border: 2px solid rgba(255,255,255,0.2);
    transition: all 0.3s;
}

.stat-box:hover {
    transform: translateY(-10px);
    background: rgba(255,255,255,0.25);
    box-shadow: 0 15px 40px rgba(0,0,0,0.3);
}

.stat-box h2 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 5px;
}

.stat-box p {
    font-size: 1rem;
    opacity: 0.9;
    margin: 0;
}

/* Dashboard Container */
.dashboard-container {
    min-height: 100vh;
}

/* Section Header */
.section-header {
    text-align: center;
    margin-top: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 10px;
}

/* Phase Sections */
.phase-section {
    margin-bottom: 50px;
}

.phase-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.phase-title .badge {
    font-size: 1rem;
    padding: 8px 20px;
}

/* Module Cards */
.modules-grid {
    padding: 20px 0;
}

.module-card {
    background: linear-gradient(135deg, #2d2d44 0%, #3a3a52 100%);
    border-radius: 20px;
    padding: 0;
    height: 100%;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid rgba(255,255,255,0.1);
    overflow: hidden;
    position: relative;
}

.module-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.3s;
}

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

.module-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 25px 60px rgba(102, 126, 234, 0.4);
    border-color: var(--primary);
}

.module-card.premium {
    border: 2px solid rgba(16, 185, 129, 0.3);
}

.module-card.premium:hover {
    border-color: var(--success);
    box-shadow: 0 25px 60px rgba(16, 185, 129, 0.4);
}

.module-icon {
    padding: 40px;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.module-icon::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s;
}

.module-card:hover .module-icon::after {
    opacity: 1;
}

.module-content {
    padding: 25px;
    position: relative;
    z-index: 1;
}

.module-content h4 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: #fff;
}

.module-content p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 15px;
    font-size: 0.95rem;
}

.module-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 15px;
}

.module-tags .badge {
    font-size: 0.75rem;
    padding: 5px 12px;
    font-weight: 600;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 15px 0;
}

.feature-list li {
    padding: 8px 0;
    color: rgba(255,255,255,0.8);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.feature-list i {
    color: var(--success);
    font-size: 0.8rem;
}

.module-footer {
    padding: 20px 25px;
    border-top: 1px solid rgba(255,255,255,0.1);
    position: relative;
    z-index: 1;
}

.module-footer button {
    width: 100%;
    padding: 12px;
    font-weight: 600;
    border-radius: 10px;
    transition: all 0.3s;
}

.module-footer button:hover {
    transform: scale(1.05);
}

/* Custom Button Colors */
.btn-purple {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    color: white;
    border: none;
}

.btn-pink {
    background: linear-gradient(135deg, #ec4899, #db2777);
    color: white;
    border: none;
}

.btn-teal {
    background: linear-gradient(135deg, #14b8a6, #0d9488);
    color: white;
    border: none;
}

.btn-orange {
    background: linear-gradient(135deg, #f97316, #ea580c);
    color: white;
    border: none;
}

.btn-indigo {
    background: linear-gradient(135deg, #6366f1, #4f46e5);
    color: white;
    border: none;
}

/* Quick Access Bar */
.quick-access-bar {
    background: linear-gradient(135deg, #2d2d44 0%, #3a3a52 100%);
    padding: 30px 0;
    margin-top: 50px;
    border-top: 2px solid rgba(255,255,255,0.1);
}

.quick-access-bar h5 {
    margin-bottom: 5px;
    font-weight: 700;
}

.quick-access-bar .btn-light {
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    color: white;
    transition: all 0.3s;
}

.quick-access-bar .btn-light:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

/* Badge Colors */
.bg-purple {
    background-color: var(--purple) !important;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-banner {
        padding: 50px 20px;
    }

    .hero-banner h1 {
        font-size: 2rem;
    }

    .stats-row {
        gap: 15px;
    }

    .stat-box {
        padding: 20px 30px;
    }

    .stat-box h2 {
        font-size: 2rem;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

    .phase-title {
        font-size: 1.4rem;
    }

    .module-card {
        margin-bottom: 20px;
    }

    .quick-access-bar .text-end {
        text-align: left !important;
        margin-top: 15px;
    }
}

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

.loading {
    animation: shimmer 2s infinite;
    background: linear-gradient(to right, #2d2d44 4%, #3a3a52 25%, #2d2d44 36%);
    background-size: 1000px 100%;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #1e1e2e;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--secondary), var(--primary));
}