:root {
    --primary: #6c63ff;
    --primary-hover: #5a52d5;
    --secondary: #00f2fe;
    --bg-dark: #0f172a;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --success: #10b981;
    --error: #ef4444;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

.background-animation {
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, #1e1b4b 0%, var(--bg-dark) 50%);
    z-index: -1;
    animation: rotate 60s linear infinite;
}

.background-animation::before {
    content: '';
    position: absolute;
    top: 25%;
    left: 25%;
    width: 50%;
    height: 50%;
    background: radial-gradient(circle at center, rgba(108, 99, 255, 0.15) 0%, transparent 50%);
    filter: blur(100px);
}

.background-animation::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40%;
    height: 40%;
    background: radial-gradient(circle at center, rgba(0, 242, 254, 0.1) 0%, transparent 50%);
    filter: blur(80px);
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
    position: relative;
    z-index: 1;
}

.glass-header {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    animation: slideDown 0.8s ease-out;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}

h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #fff, var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-flex;
    align-items: center;
    gap: 1rem;
}

.badge {
    font-size: 0.8rem;
    padding: 0.2rem 0.6rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 12px;
    color: white;
    -webkit-text-fill-color: white;
    letter-spacing: 1px;
}

.glass-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    padding: 2.5rem;
    margin-bottom: 2rem;
    animation: fadeIn 1s ease-out 0.2s both;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.45);
}

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

h2 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: var(--text-main);
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 1rem;
}

.input-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
}

input, select {
    width: 100%;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: white;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.3);
    background: rgba(0, 0, 0, 0.4);
}

button {
    cursor: pointer;
    font-family: inherit;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    transition: all 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.primary-btn {
    width: 100%;
    padding: 1.2rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    font-size: 1.1rem;
    margin-top: 2rem;
    box-shadow: 0 4px 15px rgba(108, 99, 255, 0.4);
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(108, 99, 255, 0.6);
    background: linear-gradient(135deg, var(--primary-hover), #00d2df);
}

.primary-btn:active {
    transform: translateY(1px);
}

.secondary-btn {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1rem;
    border: 1px solid var(--glass-border);
    margin-top: 1rem;
}

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

.admin-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.admin-section {
    background: rgba(0, 0, 0, 0.2);
    padding: 1.5rem;
    border-radius: 16px;
    border: 1px solid var(--glass-border);
}

h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--secondary);
}

.admin-section input, .admin-section select {
    margin-bottom: 1rem;
}

.loader {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

.hidden {
    display: none;
}

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

.status-message {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 12px;
    text-align: center;
    font-weight: 600;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.status-message.show {
    opacity: 1;
}

.status-success {
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid var(--success);
    color: var(--success);
}

.status-error {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid var(--error);
    color: #fca5a5;
}

@media (max-width: 768px) {
    .admin-grid {
        grid-template-columns: 1fr;
    }
    
    h1 {
        font-size: 2rem;
    }
}