@import url('landing-auth.css');

:root {
    --bg-color: #050507;
    --text-color: #ffffff;
    --accent-color: #00f0ff;
    --accent-secondary: #7000ff;
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.1);
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Background Effects */
.bg-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    background:
        radial-gradient(circle at 10% 20%, rgba(112, 0, 255, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(0, 240, 255, 0.1) 0%, transparent 40%);
    pointer-events: none;
}

/* Header */
/* Header */
.glass-header {
    position: fixed;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 1200px;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.5rem;
    background: rgba(21, 25, 37, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 100px;
    backdrop-filter: blur(20px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease;
}

.header-container:hover {
    background: rgba(21, 25, 37, 0.85);
    border-color: rgba(255, 255, 255, 0.15);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.2rem;
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo-text {
    color: white;
}

.logo-accent {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

nav {
    display: flex;
    align-items: center;
}

nav a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-left: 1.5rem;
    transition: all 0.3s;
    font-size: 0.9rem;
    font-weight: 500;
}

nav a:hover {
    color: white;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

/* Auth UI Updates for Header */
.nav-btn {
    border-radius: 50px;
    padding: 0.5rem 1.2rem;
    margin-left: 1rem;
    font-size: 0.85rem;
}

/* User Dropdown Adjustments */
.user-btn img {
    width: 28px;
    height: 28px;
    border-width: 2px;
}

.user-info {
    margin-left: 1rem;
}

/* Dropdown Menu */
.dropdown-menu {
    position: absolute;
    top: calc(100% + 15px);
    right: 0;
    width: 240px;
    background: rgba(21, 25, 37, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 0.5rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    backdrop-filter: blur(20px);
}

.nav-dropdown {
    position: relative;
    display: inline-block;
}

.nav-dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    font-size: 1rem;
    padding: 0.5rem 1rem;
    transition: color 0.3s;
    text-decoration: none;
    font-family: inherit;
}

.nav-dropdown-trigger:hover {
    color: white;
}

.nav-dropdown:hover .dropdown-menu {
    display: block;
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
}

/* Override for nav specific positioning */
.nav-dropdown .dropdown-menu {
    right: auto;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    width: max-content;
    min-width: 260px;
    top: 100%;
    display: block;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    padding: 0.8rem;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(15, 20, 30, 0.9);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

.nav-dropdown:hover .dropdown-menu {
    transform: translateX(-50%) translateY(0);
}

.nav-dropdown .dropdown-item {
    white-space: nowrap;
    padding: 0.8rem 1rem;
    margin-bottom: 4px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 12px;
    border: 1px solid transparent;
    transition: all 0.2s ease;
    color: rgba(255, 255, 255, 0.8);
}

.nav-dropdown .dropdown-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.1);
    transform: translateX(3px);
    color: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.nav-dropdown .dropdown-item span {
    font-size: 1.2rem;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.dropdown-menu.hidden {
    display: none;
}

.dropdown-header {
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 0.5rem;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    width: 100%;
    padding: 0.8rem 1rem;
    text-align: left;
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    font-size: 0.95rem;
    font-family: inherit;
    text-decoration: none;
    border-radius: 8px;
    transition: background 0.2s;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.dropdown-item svg {
    width: 20px;
    height: 20px;
    opacity: 0.8;
}

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

.dropdown-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.dropdown-item.text-red {
    color: #ff8888;
}

.dropdown-item.text-red:hover {
    background: rgba(255, 50, 50, 0.1);
    color: #ff5555;
}

.dropdown-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 0.5rem 0;
}

/* .logout-btn removed as it was empty */

/* Hero Section */
/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

/* Background Animation */
.hero-bg-anim {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.hero-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: blobFloat 20s infinite alternate;
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, var(--accent-secondary), transparent);
    animation-delay: 0s;
}

.blob-2 {
    bottom: -10%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, var(--accent-color), transparent);
    animation-delay: -5s;
}

.blob-3 {
    top: 40%;
    left: 40%;
    width: 40vw;
    height: 40vw;
    background: radial-gradient(circle, #ff0055, transparent);
    opacity: 0.2;
    animation-delay: -10s;
}

@keyframes blobFloat {
    0% {
        transform: translate(0, 0) scale(1);
    }

    100% {
        transform: translate(30px, -30px) scale(1.1);
    }
}

.hero-content {
    z-index: 2;
    max-width: 900px;
    padding-top: 4rem;
}

.hero-title {
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.text-gradient-1 {
    background: linear-gradient(to right, #ffffff, #a5a5a5);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-2 {
    background: linear-gradient(to right, #a5a5a5, #ffffff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 0.8em;
    opacity: 0.8;
}

.text-gradient-3 {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 50px rgba(0, 240, 255, 0.3);
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    color: rgba(255, 255, 255, 0.7);
    margin: 0 auto 3.5rem;
    max-width: 600px;
    line-height: 1.6;
}

/* CTA Button with Glow */
.hero-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.cta-button {
    position: relative;
    display: inline-flex;
    padding: 1rem 2.5rem;
    border-radius: 100px;
    color: white;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    overflow: hidden;
    transition: transform 0.3s;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.btn-techplay {
    background: linear-gradient(90deg, var(--accent-secondary), var(--accent-color));
    border: none;
    color: white;
}

.btn-ai {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-ai:hover {
    border-color: #ff0055;
    background: rgba(255, 0, 85, 0.1);
    box-shadow: 0 0 30px rgba(255, 0, 85, 0.4);
}

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

.btn-techplay .cta-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(112, 0, 255, 0.4), transparent 70%);
    animation: rotateGlow 4s linear infinite;
    z-index: 0;
    opacity: 0;
    transition: opacity 0.3s;
}

.btn-techplay:hover .cta-glow {
    opacity: 1;
}

.btn-ai .cta-glow {
    display: none;
}

.cta-button span {
    position: relative;
    z-index: 1;
}

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

    to {
        transform: rotate(360deg);
    }
}

/* Events Grid */
.events-section {
    padding: 5rem 10%;
    scroll-margin-top: 80px;
}

.section-title {
    font-size: 2rem;
    margin-bottom: 3rem;
    text-align: center;
}

.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 1rem 0;
}

.event-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    height: 100%;
}

.event-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.event-banner-wrapper {
    position: relative;
    padding-top: 56.25%;
    /* 16:9 Aspect Ratio */
    overflow: hidden;
    background: rgba(0, 0, 0, 0.2);
}

.event-banner {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.event-card:hover .event-banner {
    transform: scale(1.05);
}

.event-banner-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
}

.event-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    opacity: 0.6;
}

.event-tags {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: flex;
    gap: 0.5rem;
    z-index: 2;
}

.tag {
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.tag-blue {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
    border-color: rgba(96, 165, 250, 0.3);
}

.tag-red {
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
    border-color: rgba(248, 113, 113, 0.3);
}

.tag-orange {
    background: rgba(245, 158, 11, 0.2);
    color: #fbbf24;
    border-color: rgba(251, 191, 36, 0.3);
}

.event-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.event-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    line-height: 1.4;
    color: white;
}

.event-meta {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}

.event-progress-wrapper {
    margin-top: auto;
}

.progress-bg {
    background: rgba(255, 255, 255, 0.1);
    height: 6px;
    border-radius: 3px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-secondary), var(--accent-color));
    border-radius: 3px;
    transition: width 1s ease;
}

.card-link {
    margin-top: 1.5rem;
    text-align: center;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s;
    color: white;
}

.event-card:hover .card-link {
    background: var(--accent-color);
    color: black;
    border-color: var(--accent-color);
}

/* Footer */
footer {
    text-align: center;
    padding: 3rem;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.9rem;
    border-top: 1px solid var(--card-border);
    margin-top: 5rem;
}


@media (max-width: 768px) {
    .hero h1 {
        font-size: 3rem;
    }

    .events-section,
    .about-section,
    .features-section,
    .focus-section,
    .audience-section,
    .mooc-section,
    .stats-section {
        padding: 3rem 5%;
    }

    .focus-grid {
        grid-template-columns: 1fr;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .stat-item h4 {
        font-size: 2.5rem;
    }
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: #151925;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    max-width: 600px;
    width: 90%;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    animation: modalSlideUp 0.3s ease;
}

@keyframes modalSlideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.25rem;
}

.close-btn {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.2s;
}

.close-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex-grow: 1;
}

.profile-modal-content {
    max-width: 800px;
}

/* Forms */
.form-section {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-section h4 {
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--accent-color);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.required {
    color: #ff5555;
    margin-left: 0.2rem;
}

.form-group input:not([type="checkbox"]):not([type="radio"]),
.form-group select,
.form-group textarea {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    color: white;
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color 0.2s;
    width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    background: rgba(0, 0, 0, 0.4);
}

.form-group input[readonly] {
    opacity: 0.7;
    cursor: not-allowed;
}

.form-hint {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
    margin-top: 0.2rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 1rem;
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    font-family: inherit;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

.btn-primary {
    background: var(--accent-secondary);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-color);
    color: black;
}

/* Registrations List */
.registrations-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.registration-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 1rem;
}

.registration-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.registration-title {
    font-weight: 600;
    font-size: 1.1rem;
    color: white;
    margin-bottom: 0.2rem;
}

.registration-time {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
}

.status-badge {
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid transparent;
}

.status-pending {
    color: #ffd700;
    background: rgba(255, 215, 0, 0.15);
    border-color: rgba(255, 215, 0, 0.3);
}

.status-approved {
    color: #4ade80;
    background: rgba(74, 222, 128, 0.15);
    border-color: rgba(74, 222, 128, 0.3);
}

.status-rejected {
    color: #f87171;
    background: rgba(248, 113, 113, 0.15);
    border-color: rgba(248, 113, 113, 0.3);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.loading-state {
    text-align: center;
    padding: 3rem;
    color: rgba(255, 255, 255, 0.5);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Utility Classes for Icons */
.w-4 {
    width: 1rem;
}

.h-4 {
    height: 1rem;
}

.w-5 {
    width: 1.25rem;
}

.h-5 {
    height: 1.25rem;
}

.text-gray-300 {
    color: rgba(255, 255, 255, 0.7);
}

.hidden {
    display: none !important;
}

/* Registration Page Styles */
.page-container {
    padding-top: 8rem;
    padding-bottom: 4rem;
    max-width: 1000px;
    margin: 0 auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.glass-panel {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: white;
    font-family: var(--font-main);
    font-size: 1rem;
    transition: all 0.3s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.1);
    background: rgba(0, 0, 0, 0.5);
}

.form-hint {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 0.3rem;
}

/* Checkboxes */
.form-checkbox {
    appearance: none;
    -webkit-appearance: none;
    width: 1.25rem;
    height: 1.25rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.3);
    cursor: pointer;
    position: relative;
    transition: all 0.2s;
    vertical-align: middle;
}

.form-checkbox:checked {
    background: var(--accent-color);
    border-color: var(--accent-color);
}

.form-checkbox:checked::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 0.75rem;
    height: 0.75rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
}

.form-checkbox:hover {
    border-color: rgba(255, 255, 255, 0.6);
}

.form-checkbox:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.2);
    border-color: var(--accent-color);
}

.form-checkbox:checked:focus {
    background: var(--accent-color);
    border-color: var(--accent-color);
}

/* Custom Select Styling */
.form-select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='white'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1rem;
    padding-right: 2.5rem;
    cursor: pointer;
}

.form-select option {
    background-color: #1a1a1a;
    color: white;
    padding: 0.5rem;
}

/* Search & Filter */
.search-container {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.filter-row {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.search-input {
    flex: 1;
    min-width: 200px;
}

.category-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.category-tag {
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
}

.category-tag:hover {
    background: rgba(255, 255, 255, 0.15);
    color: white;
}

.category-tag.active {
    background: var(--accent-secondary);
    color: white;
    border-color: rgba(255, 255, 255, 0.2);
}

/* Status Badges */
.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
}

.status-badge.success {
    background: rgba(52, 211, 153, 0.15);
    color: #34d399;
    border: 1px solid rgba(52, 211, 153, 0.2);
}

.status-badge.warning {
    background: rgba(251, 191, 36, 0.15);
    color: #fbbf24;
    border: 1px solid rgba(251, 191, 36, 0.2);
}

.status-badge.error {
    background: rgba(248, 113, 113, 0.15);
    color: #f87171;
    border: 1px solid rgba(248, 113, 113, 0.2);
}

.status-badge.neutral {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Markdown Content */
.markdown-content {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
    font-size: 1.05rem;
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4 {
    color: white;
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 700;
    line-height: 1.3;
}

.markdown-content h1 {
    font-size: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 0.5rem;
    color: var(--accent-color);
}

.markdown-content h2 {
    font-size: 1.75rem;
    border-left: 4px solid var(--accent-secondary);
    padding-left: 1rem;
}

.markdown-content h3 {
    font-size: 1.5rem;
}

.markdown-content h4 {
    font-size: 1.25rem;
}

.markdown-content p {
    margin-bottom: 1.2rem;
}

.markdown-content ul,
.markdown-content ol {
    padding-left: 1.5rem;
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.8);
}

.markdown-content li {
    margin-bottom: 0.5rem;
    position: relative;
}

.markdown-content ul li::marker {
    color: var(--accent-secondary);
}

.markdown-content strong {
    color: var(--accent-color);
    font-weight: 700;
    text-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

.markdown-content em {
    color: #ffd700;
    font-style: italic;
}

.markdown-content a {
    color: var(--accent-color);
    text-decoration: none;
    border-bottom: 1px dashed var(--accent-color);
    transition: all 0.2s;
}

.markdown-content a:hover {
    background: rgba(0, 240, 255, 0.1);
    border-bottom-style: solid;
}

.markdown-content blockquote {
    background: rgba(255, 255, 255, 0.05);
    border-left: 4px solid var(--accent-secondary);
    padding: 1rem 1.5rem;
    margin: 1rem 0;
    border-radius: 0 8px 8px 0;
    font-style: italic;
    color: rgba(255, 255, 255, 0.6);
}

/* --- Enrichment Sections --- */

/* About Section */
.about-section {
    padding: 6rem 10%;
    position: relative;
    background: radial-gradient(circle at top right, rgba(112, 0, 255, 0.05), transparent 40%);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
}

/* Features Grid */
.features-section {
    padding: 6rem 10%;
    background: rgba(0, 0, 0, 0.2);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 2.5rem;
    transition: transform 0.3s, background 0.3s;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.feature-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--accent-color);
    font-size: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: white;
}

.feature-card p {
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
}

/* Audience Section */
.audience-section {
    padding: 6rem 10%;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 4rem;
    align-items: center;
}

.audience-card {
    padding: 3rem;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

.audience-card.teacher {
    background: linear-gradient(135deg, rgba(50, 20, 100, 0.4), rgba(20, 10, 40, 0.6));
    border: 1px solid rgba(112, 0, 255, 0.3);
}

.audience-card.student {
    background: linear-gradient(135deg, rgba(0, 100, 150, 0.2), rgba(10, 40, 60, 0.4));
    border: 1px solid rgba(0, 240, 255, 0.3);
}

.audience-card h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: white;
}

.audience-card p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

/* Stats Bar */
.stats-section {
    padding: 4rem 10%;
    background: rgba(255, 255, 255, 0.02);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.stats-grid {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 2rem;
    text-align: center;
}

.stat-item h4 {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(to right, #fff, var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 1rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* Focus Fields Section (Smart Design & Entertainment) */
.focus-section {
    padding: 6rem 10%;
    position: relative;
    overflow: hidden;
}

.focus-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
}

.focus-card {
    background: rgba(10, 10, 15, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 3rem;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 300px;
}

.focus-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s;
}

.focus-card:hover::before {
    transform: translateX(100%);
}

.focus-card:hover {
    transform: scale(1.02);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.focus-card.smart-design {
    border-left: 4px solid #00f0ff;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.05), rgba(0, 0, 0, 0.4));
}

.focus-card.entertainment {
    border-left: 4px solid #7000ff;
    background: linear-gradient(135deg, rgba(112, 0, 255, 0.05), rgba(0, 0, 0, 0.4));
}

.focus-card h3 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    color: white;
    font-weight: 800;
}

.focus-card p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.focus-tags {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.focus-tag {
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.9);
}

/* Portal Button Styles for Hero */
.cta-button.portal {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    padding: 1rem 2rem;
    border-radius: 0px;
    /* Futuristic edges */
    clip-path: polygon(10% 0, 100% 0, 100% 90%, 90% 100%, 0 100%, 0 10%);
    transition: all 0.3s;
}

.cta-button.portal:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-color);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
    transform: translateY(-2px);
}

.cta-button.portal span {
    position: relative;
    z-index: 2;
    font-family: 'Inter', sans-serif;
    letter-spacing: 2px;
    text-transform: uppercase;
}


.markdown-content code {
    background: rgba(0, 0, 0, 0.3);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'Fira Code', monospace;
    font-size: 0.9em;
    color: #ff79c6;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.markdown-content pre {
    background: #1a1a1a;
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1.5rem 0;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.markdown-content pre code {
    background: transparent;
    padding: 0;
    color: #f8f8f2;
    border: none;
}

.markdown-content hr {
    border: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    margin: 2.5rem 0;
}

.markdown-content img {
    max-width: 100%;
    border-radius: 8px;
    margin: 1.5rem 0;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.markdown-content table {
    width: 100%;
    margin: 1.5rem 0;
    border-collapse: collapse;
}

.markdown-content th {
    text-align: left;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}

.markdown-content td {
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.markdown-content tr:hover td {
    background: rgba(255, 255, 255, 0.05);
}

/* Utilities */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mb-4 {
    margin-bottom: 1rem;
}

.mb-6 {
    margin-bottom: 1.5rem;
}

.mt-4 {
    margin-top: 1rem;
}

.w-full {
    width: 100%;
}

.hidden {
    display: none !important;
}

.flex {
    display: flex;
}

/* MOOCs Section */
.mooc-section {
    padding: 6rem 10%;
    background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.4));
}

.mooc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.mooc-card {
    background: rgba(20, 20, 30, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    flex-direction: column;
    height: 100%;
    backdrop-filter: blur(10px);
}

.mooc-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.4s;
}

.mooc-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

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

.mooc-badge {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.mooc-badge.system {
    background: rgba(0, 240, 255, 0.1);
    color: #00f0ff;
    border-color: rgba(0, 240, 255, 0.3);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.1);
}

.mooc-card h3 {
    font-size: 2rem;
    color: white;
    margin-bottom: 0.5rem;
    font-weight: 800;
    margin-top: 1.5rem;
    letter-spacing: -0.5px;
}

.mooc-card.system h3 {
    background: linear-gradient(to right, #00f0ff, #0051ff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.mooc-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.mooc-desc {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.6;
    margin-bottom: auto;
    /* Push instructors to bottom */
    padding-bottom: 2rem;
}

.mooc-instructors {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 1.5rem;
}

.mooc-instructors span {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    background: rgba(0, 0, 0, 0.2);
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    transition: background 0.3s;
}

.mooc-card:hover .mooc-instructors span {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-2 {
    gap: 0.5rem;
}

.gap-4 {
    gap: 1rem;
}

.btn-primary {
    background: linear-gradient(90deg, var(--accent-secondary), var(--accent-color));
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(112, 0, 255, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-danger {
    background: rgba(255, 59, 59, 0.15);
    color: #ff5b5b;
    border: 1px solid rgba(255, 59, 59, 0.3);
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-danger:hover {
    background: rgba(255, 59, 59, 0.25);
    border-color: rgba(255, 59, 59, 0.5);
}