@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Rajdhani:wght@300;400;600;700&family=Share+Tech+Mono&display=swap');
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.1/css/all.min.css');

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #0d0d0d;
    --bg-card: #111111;
    --bg-input: #0a0a0a;
    --text-primary: #00ff88;
    --text-secondary: #8899aa;
    --text-muted: #445566;
    --border-color: #1a2a2a;
    --border-glow: #00ff88;
    --accent: #00ff88;
    --accent-dark: #00cc66;
    --danger: #ff0044;
    --success: #00ff88;
    --warning: #ffaa00;
    --shadow-glow: 0 0 30px rgba(0, 255, 136, 0.1);
    --shadow-glow-strong: 0 0 60px rgba(0, 255, 136, 0.2);
    --font-main: 'Rajdhani', sans-serif;
    --font-display: 'Orbitron', monospace;
    --font-mono: 'Share Tech Mono', monospace;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    background-image: 
        radial-gradient(ellipse at 10% 20%, rgba(0, 255, 136, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 90% 80%, rgba(0, 255, 136, 0.03) 0%, transparent 50%);
    position: relative;
    display: flex;
    flex-direction: column;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0, 255, 136, 0.02) 2px, rgba(0, 255, 136, 0.02) 4px),
        repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(0, 255, 136, 0.02) 2px, rgba(0, 255, 136, 0.02) 4px);
    pointer-events: none;
    z-index: 0;
}

/* ==================== SCROLLBAR ==================== */

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-dark);
}

/* ==================== CONTAINER ==================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    z-index: 1;
    flex: 1;
}

/* ==================== HEADER ==================== */

.header {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.8);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.header-brand .logo-icon {
    width: 40px;
    height: 40px;
    border: 2px solid var(--accent);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--accent);
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.2);
    transition: all 0.3s ease;
    background: rgba(0, 255, 136, 0.05);
}

.header-brand:hover .logo-icon {
    box-shadow: 0 0 50px rgba(0, 255, 136, 0.4);
    transform: rotate(-10deg) scale(1.05);
}

.header-brand .brand-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--accent);
    text-shadow: 0 0 20px rgba(0, 255, 136, 0.2);
    letter-spacing: 1px;
}

.header-brand .brand-text span {
    color: var(--text-secondary);
    font-weight: 400;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.header-right .status {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
}

.header-right .status .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    animation: pulse-dot 2s ease-in-out infinite;
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.3);
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.header-right .user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 14px 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: rgba(0, 0, 0, 0.3);
}

.header-right .user-info i {
    color: var(--accent);
}

.header-right .user-info span {
    color: var(--text-secondary);
    font-weight: 600;
}

/* ==================== NAVIGATION ==================== */

.nav {
    background: rgba(13, 13, 13, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 0;
}

.nav .container {
    padding: 0 20px;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 0;
    margin: 0;
    padding: 0;
    flex-wrap: wrap;
}

.nav-list li {
    position: relative;
}

.nav-list li a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    border-bottom: 2px solid transparent;
    position: relative;
}

.nav-list li a i {
    font-size: 1rem;
    color: var(--text-muted);
    transition: all 0.3s ease;
}

.nav-list li a:hover {
    color: var(--accent);
    background: rgba(0, 255, 136, 0.03);
}

.nav-list li a:hover i {
    color: var(--accent);
}

.nav-list li a.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
    background: rgba(0, 255, 136, 0.05);
}

.nav-list li a.active i {
    color: var(--accent);
}

.nav-list li a::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-list li a:hover::before {
    width: 80%;
}

.nav-list li a.active::before {
    width: 80%;
}

/* ==================== FOOTER ==================== */

.footer {
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--border-color);
    margin-top: auto;
    padding: 40px 0 20px;
}

.footer .container {
    padding: 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-brand .brand-text {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 900;
    color: var(--accent);
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 10px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(0, 255, 136, 0.05);
    transform: translateY(-3px);
}

.footer-links h4 {
    font-family: var(--font-display);
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.footer-links ul {
    list-style: none;
    padding: 0;
}

.footer-links ul li {
    margin-bottom: 8px;
}

.footer-links ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-links ul li a i {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.footer-links ul li a:hover {
    color: var(--accent);
}

.footer-links ul li a:hover i {
    color: var(--accent);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.footer-bottom .footer-tech {
    display: flex;
    gap: 15px;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.footer-bottom .footer-tech span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.footer-bottom .footer-tech i {
    color: var(--accent);
    font-size: 0.7rem;
}

/* ==================== BUTTONS ==================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: var(--font-main);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    background: transparent;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn i {
    font-size: 1rem;
}

.btn-primary {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.2);
}

.btn-primary:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    box-shadow: 0 0 40px rgba(0, 255, 136, 0.4);
    transform: translateY(-2px);
}

.btn-secondary {
    border-color: var(--text-secondary);
    color: var(--text-secondary);
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(0, 255, 136, 0.05);
}

.btn-danger {
    border-color: var(--danger);
    color: var(--danger);
}

.btn-danger:hover {
    background: var(--danger);
    color: #000;
    box-shadow: 0 0 30px rgba(255, 0, 68, 0.3);
}

.btn-success {
    border-color: var(--success);
    color: var(--success);
}

.btn-success:hover {
    background: var(--success);
    color: #000;
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.3);
}

.btn-block {
    display: flex;
    width: 100%;
    justify-content: center;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.8rem;
}

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

/* ==================== HERO ==================== */

.hero {
    text-align: center;
    padding: 80px 0;
    min-height: 70vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 900;
    background: linear-gradient(135deg, #00ff88, #00ccff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 15px;
    text-shadow: 0 0 60px rgba(0, 255, 136, 0.2);
}

.hero .subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
    font-weight: 300;
}

.hero .glitch-text {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 30px;
    letter-spacing: 2px;
}

.hero .glitch-text i {
    color: var(--accent);
    margin: 0 5px;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    max-width: 800px;
    margin: 30px 0 40px;
    width: 100%;
}

.feature {
    background: rgba(17, 17, 17, 0.8);
    backdrop-filter: blur(10px);
    padding: 25px 20px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.feature:hover {
    border-color: var(--accent);
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 255, 136, 0.1);
}

.feature i {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 10px;
}

.feature h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.feature p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 300;
}

.actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ==================== AUTH BOX ==================== */

.auth-box {
    max-width: 420px;
    margin: 40px auto;
    background: rgba(17, 17, 17, 0.95);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-glow);
    position: relative;
    overflow: hidden;
}

.auth-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(0, 255, 136, 0.03) 0%, transparent 70%);
    pointer-events: none;
}

.auth-box h2 {
    font-family: var(--font-display);
    text-align: center;
    margin-bottom: 30px;
    font-size: 1.8rem;
    color: var(--accent);
    letter-spacing: 2px;
    position: relative;
}

.auth-box h2::after {
    content: '';
    display: block;
    width: 50px;
    height: 2px;
    background: var(--accent);
    margin: 10px auto 0;
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
}

/* ==================== FORM ==================== */

.form-group {
    margin-bottom: 20px;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-group label i {
    margin-right: 8px;
    color: var(--accent);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group select {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: all 0.3s ease;
    outline: none;
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.1);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.form-group input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ==================== CAPTCHA ==================== */

.captcha-group {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.captcha-group img {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: #000;
    height: 60px;
    width: 200px;
    object-fit: cover;
}

.captcha-group .btn {
    height: 60px;
    padding: 0 16px;
    font-size: 1.2rem;
}

/* ==================== ALERTS ==================== */

.alert {
    padding: 14px 18px;
    border-radius: 6px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid transparent;
}

.alert i {
    font-size: 1.2rem;
}

.alert-danger {
    background: rgba(255, 0, 68, 0.1);
    border-color: var(--danger);
    color: var(--danger);
}

.alert-success {
    background: rgba(0, 255, 136, 0.1);
    border-color: var(--success);
    color: var(--success);
}

.alert-info {
    background: rgba(0, 204, 255, 0.1);
    border-color: #00ccff;
    color: #00ccff;
}

/* ==================== CARDS ==================== */

.card {
    background: rgba(17, 17, 17, 0.95);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-bottom: 30px;
    box-shadow: var(--shadow-glow);
}

.card h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 10px;
}

.card h3 i {
    font-size: 1.5rem;
}

/* ==================== USER INFO ==================== */

.user-info {
    margin-bottom: 30px;
}

.info-card {
    background: rgba(17, 17, 17, 0.95);
    backdrop-filter: blur(10px);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-glow);
}

.info-card h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 10px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 15px;
}

.info-grid div {
    padding: 12px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.info-grid label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.info-grid strong {
    font-size: 1.3rem;
    color: var(--accent);
    font-family: var(--font-display);
}

.info-grid .text-danger {
    color: var(--danger);
}

/* ==================== PACKAGES ==================== */

.packages {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.package {
    background: rgba(0, 0, 0, 0.3);
    padding: 25px 20px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.3s ease;
}

.package:hover {
    border-color: var(--accent);
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 255, 136, 0.1);
}

.package i {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 10px;
}

.package h4 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.package .price {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--accent);
    margin: 10px 0;
}

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

.package ul li {
    padding: 4px 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.package ul li i {
    font-size: 0.8rem;
    margin-right: 6px;
    color: var(--accent);
}

/* ==================== TABLE ==================== */

.table-wrapper {
    overflow-x: auto;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.table thead {
    background: rgba(0, 0, 0, 0.3);
}

.table th {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 2px solid var(--border-color);
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 1px;
}

.table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
}

.table tr:hover {
    background: rgba(0, 255, 136, 0.02);
}

.table .badge {
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge.success {
    background: rgba(0, 255, 136, 0.15);
    color: var(--success);
    border: 1px solid rgba(0, 255, 136, 0.2);
}

.badge.danger {
    background: rgba(255, 0, 68, 0.15);
    color: var(--danger);
    border: 1px solid rgba(255, 0, 68, 0.2);
}

.badge.warning {
    background: rgba(255, 170, 0, 0.15);
    color: var(--warning);
    border: 1px solid rgba(255, 170, 0, 0.2);
}

/* ==================== ADMIN NAV ==================== */

.admin-nav {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.admin-nav a {
    padding: 10px 22px;
    background: rgba(17, 17, 17, 0.95);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.admin-nav a:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(0, 255, 136, 0.05);
}

.admin-nav a.active {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.2);
}

/* ==================== ADMIN STATS ==================== */

.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
}

.stat-box {
    background: rgba(17, 17, 17, 0.95);
    padding: 20px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.3s ease;
}

.stat-box:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
}

.stat-box i {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 8px;
}

.stat-box h4 {
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 5px;
}

.stat-box .number {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--accent);
}

/* ==================== ACTION BUTTONS ==================== */

.action-btns {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.action-btns .btn {
    padding: 4px 10px;
    font-size: 0.75rem;
}

.action-btns input[type="number"] {
    width: 70px;
    padding: 4px 8px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 0.8rem;
}

/* ==================== CHECKBOX ==================== */

.form-group input[type="checkbox"] {
    accent-color: var(--accent);
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form-group label.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-weight: 400;
    text-transform: none;
    color: var(--text-secondary);
}

/* ==================== TYPOGRAPHY ==================== */

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

.text-muted {
    color: var(--text-muted);
}

.text-secondary {
    color: var(--text-secondary);
}

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}

hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 25px 0;
}

/* ==================== RESPONSIVE ==================== */

@media (max-width: 992px) {
    .header .container {
        flex-direction: column;
        gap: 10px;
        padding: 12px 20px;
    }
    
    .header-right {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .nav-list {
        justify-content: center;
    }
    
    .nav-list li a {
        padding: 10px 14px;
        font-size: 0.8rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .packages {
        grid-template-columns: 1fr;
    }
    
    .info-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .actions {
        flex-direction: column;
        width: 100%;
    }
    
    .actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .auth-box {
        padding: 25px 20px;
        margin: 20px;
    }
    
    .table {
        font-size: 0.8rem;
    }
    
    .table th,
    .table td {
        padding: 8px 10px;
    }
    
    .admin-nav {
        justify-content: center;
    }
    
    .admin-nav a {
        padding: 8px 14px;
        font-size: 0.8rem;
    }
    
    .captcha-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .captcha-group img {
        width: 100%;
        height: 50px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
    
    .admin-stats {
        grid-template-columns: 1fr 1fr;
    }
    
    .header-brand .brand-text {
        font-size: 1.1rem;
    }
    
    .nav-list {
        gap: 0;
    }
    
    .nav-list li a {
        padding: 8px 10px;
        font-size: 0.7rem;
    }
    
    .nav-list li a i {
        font-size: 0.8rem;
    }
}

/* ==================== GLITCH EFFECT ==================== */

.glitch {
    position: relative;
    display: inline-block;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.8;
}

.glitch::before {
    color: #ff0044;
    z-index: -1;
    animation: glitch-1 3s infinite;
}

.glitch::after {
    color: #00ccff;
    z-index: -1;
    animation: glitch-2 3s infinite;
}

@keyframes glitch-1 {
    0%, 90%, 100% { transform: translate(0); }
    91% { transform: translate(-2px, 2px); }
    92% { transform: translate(2px, -2px); }
    93% { transform: translate(-2px, 2px); }
    94% { transform: translate(0); }
}

@keyframes glitch-2 {
    0%, 90%, 100% { transform: translate(0); }
    91% { transform: translate(2px, -2px); }
    92% { transform: translate(-2px, 2px); }
    93% { transform: translate(2px, -2px); }
    94% { transform: translate(0); }
}

/* ==================== TERMINAL EFFECT ==================== */

.terminal-line {
    font-family: var(--font-display);
    color: var(--text-muted);
    font-size: 0.85rem;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.terminal-line .prompt {
    color: var(--accent);
}

.terminal-line .cursor {
    display: inline-block;
    width: 8px;
    height: 16px;
    background: var(--accent);
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    50.1%, 100% { opacity: 0; }
}

/* ==================== FLOATING PARTICLES ==================== */

.particle {
    position: fixed;
    pointer-events: none;
    z-index: 0;
    width: 2px;
    height: 2px;
    background: var(--accent);
    border-radius: 50%;
    opacity: 0.3;
    animation: float-particle 20s linear infinite;
}
/* Thêm vào cuối file style.css */

/* Google reCAPTCHA */
.g-recaptcha {
    display: flex;
    justify-content: center;
    margin: 10px 0;
}

.g-recaptcha > div {
    margin: 0 auto;
}

/* Dark mode cho reCAPTCHA */
.g-recaptcha iframe {
    filter: invert(0.85) hue-rotate(180deg);
}

/* Responsive reCAPTCHA */
@media (max-width: 480px) {
    .g-recaptcha {
        transform: scale(0.85);
        transform-origin: center;
    }
}
@keyframes float-particle {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-100vh) scale(1);
        opacity: 0;
    }
}