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

:root {
    --primary-color: #00ff88;
    --secondary-color: #8a2be2;
    --dark-bg: #0a0a0a;
    --darker-bg: #050505;
    --light-text: #ffffff;
    --gray-text: #aaaaaa;
    --card-bg: #1a1a1a;
    --border-color: #333333;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--dark-bg);
    color: var(--light-text);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
header {
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
    background-color: rgba(10, 10, 10, 0.95);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 28px;
    font-weight: 800;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    color: var(--gray-text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    padding: 8px 16px;
    border-radius: 4px;
}

.nav-links a:hover {
    color: var(--primary-color);
    background-color: rgba(0, 255, 136, 0.1);
}

.btn {
    display: inline-block;
    padding: 12px 32px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    text-align: center;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 255, 136, 0.2);
}

/* Hero Section */
.hero {
    padding: 100px 0;
    text-align: center;
    background: radial-gradient(circle at center, rgba(138, 43, 226, 0.1) 0%, transparent 70%);
}

.changing-text {
    font-size: 4.5rem;
    font-weight: 800;
    margin-bottom: 30px;
    background: linear-gradient(45deg, #ff0080, #00ff88, #0080ff, #ff0080);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 8s ease infinite;
}

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

.hero p {
    font-size: 1.2rem;
    color: var(--gray-text);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

/* Features Section */
.features {
    padding: 80px 0;
    background-color: var(--darker-bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature-card {
    background-color: var(--card-bg);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--light-text);
}

.feature-card p {
    color: var(--gray-text);
    line-height: 1.6;
}

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    background: radial-gradient(circle at center, rgba(138, 43, 226, 0.05) 0%, transparent 50%);
}

.login-box {
    background-color: var(--card-bg);
    padding: 50px;
    border-radius: 20px;
    width: 100%;
    max-width: 450px;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.login-box h1 {
    text-align: center;
    margin-bottom: 30px;
    font-size: 2.5rem;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--gray-text);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 15px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--light-text);
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
}

.error-message {
    background-color: rgba(255, 0, 0, 0.1);
    color: #ff4444;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
    border: 1px solid rgba(255, 0, 0, 0.3);
}

/* Dashboard */
.dashboard {
    padding: 50px 0;
    min-height: 100vh;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 20px;
}

.dashboard-title {
    font-size: 2.5rem;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-label {
    color: var(--gray-text);
    font-size: 1rem;
}

/* Requests Table */
.requests-table {
    width: 100%;
    background-color: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    margin-top: 20px;
}

.requests-table table {
    width: 100%;
    border-collapse: collapse;
}

.requests-table th {
    background-color: rgba(0, 255, 136, 0.1);
    padding: 20px;
    text-align: left;
    font-weight: 600;
    color: var(--primary-color);
    border-bottom: 1px solid var(--border-color);
}

.requests-table td {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    color: var(--gray-text);
}

.requests-table tr:last-child td {
    border-bottom: none;
}

.requests-table tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

.btn-view {
    background-color: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 8px 20px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-view:hover {
    background-color: var(--primary-color);
    color: var(--dark-bg);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1001;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-content {
    background-color: var(--card-bg);
    border-radius: 20px;
    width: 100%;
    max-width: 500px;
    max-height: 80vh;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    position: relative;
}

.modal-header {
    padding: 25px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 1.8rem;
    color: var(--light-text);
}

.close-modal {
    background: none;
    border: none;
    color: var(--gray-text);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.3s;
}

.close-modal:hover {
    color: var(--primary-color);
}

.modal-body {
    padding: 25px;
}

/* URL Input System */
.url-input-system {
    margin-top: 20px;
}

.url-input-group {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.url-display {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 15px;
    max-height: 200px;
    overflow-y: auto;
    margin-bottom: 20px;
}

.url-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    background-color: rgba(255, 255, 255, 0.02);
    margin-bottom: 5px;
    border-radius: 4px;
}

.url-item:last-child {
    margin-bottom: 0;
}

.remove-url {
    background: none;
    border: none;
    color: #ff4444;
    cursor: pointer;
    font-size: 1.2rem;
}

.url-count {
    text-align: center;
    color: var(--gray-text);
    margin: 10px 0;
}

/* Admin Specific */
.admin-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.admin-card {
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: 15px;
    border: 1px solid var(--border-color);
}

.admin-card h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.3rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .changing-text {
        font-size: 2.5rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
        background: none;
        border: none;
        color: var(--light-text);
        font-size: 1.5rem;
        cursor: pointer;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .login-box {
        padding: 30px;
    }
    
    .requests-table {
        overflow-x: auto;
    }
    
    .requests-table table {
        min-width: 600px;
    }
    
    .modal-content {
        margin: 20px;
    }
}

@media (max-width: 480px) {
    .changing-text {
        font-size: 2rem;
    }
    
    .btn {
        padding: 10px 24px;
    }
    
    .feature-card {
        padding: 30px 20px;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mt-40 { margin-top: 40px; }
.mb-20 { margin-bottom: 20px; }
.mb-40 { margin-bottom: 40px; }
.w-100 { width: 100%; }