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

:root {
    --primary: #9333ea;
    --primary-dark: #7e22ce;
    --secondary: #a855f7;
    --dark: #0f0f0f;
    --dark-lighter: #1a1a1a;
    --dark-card: #252525;
    --text: #ffffff;
    --text-muted: #a0a0a0;
    --border: #333333;
    --success: #22c55e;
    --error: #ef4444;
    --radius: 8px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--dark);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

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

.navbar {
    background: var(--dark-lighter);
    border-bottom: 1px solid var(--border);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-large {
    font-size: 48px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.nav-menu {
    display: flex;
    gap: 15px;
    align-items: center;
}

.username {
    color: var(--text-muted);
    font-size: 14px;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(147, 51, 234, 0.3);
}

.btn-secondary {
    background: var(--dark-card);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--border);
}

.btn-danger {
    background: var(--error);
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
}

.btn-small {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-block {
    width: 100%;
    display: block;
}

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

.btn-copy:hover {
    background: var(--primary-dark);
}

.landing-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
}

.landing-container {
    max-width: 800px;
    padding: 40px 20px;
}

.tagline {
    font-size: 20px;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.landing-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-bottom: 60px;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature {
    padding: 20px;
    background: var(--dark-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.feature h3 {
    margin-bottom: 10px;
    font-size: 18px;
}

.feature p {
    color: var(--text-muted);
    font-size: 14px;
}

.auth-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.auth-box {
    background: var(--dark-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    width: 100%;
    max-width: 400px;
}

.auth-box h2 {
    margin: 20px 0;
    text-align: center;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 12px;
    background: var(--dark);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 14px;
}

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

.auth-footer {
    text-align: center;
    margin-top: 20px;
    color: var(--text-muted);
    font-size: 14px;
}

.auth-footer a {
    color: var(--primary);
    text-decoration: none;
}

.auth-footer a:hover {
    text-decoration: underline;
}

.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error);
    color: var(--error);
}

.upload-section {
    background: var(--dark-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px;
    margin-bottom: 30px;
}

.upload-section h2 {
    margin-bottom: 20px;
}

.upload-box {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 40px;
    text-align: center;
    margin-bottom: 20px;
    transition: all 0.3s ease;
    position: relative;
}

.upload-box:hover {
    border-color: var(--primary);
    background: rgba(147, 51, 234, 0.05);
}

.upload-box input[type="file"] {
    display: none;
}

.upload-box label {
    cursor: pointer;
    display: block;
}

.upload-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.upload-box p {
    font-size: 16px;
    margin-bottom: 8px;
}

.upload-box small {
    color: var(--text-muted);
    font-size: 13px;
}

.images-section {
    margin-top: 40px;
}

.images-section h2 {
    margin-bottom: 20px;
}

.empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: 60px 20px;
    background: var(--dark-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.image-card {
    background: var(--dark-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.image-card:hover {
    transform: translateY(-4px);
}

.image-thumbnail {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--dark);
}

.image-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-info {
    padding: 15px;
}

.image-name {
    font-weight: 600;
    margin-bottom: 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.image-meta {
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 12px;
}

.image-url-group {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.image-url {
    flex: 1;
    padding: 8px;
    background: var(--dark);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 12px;
    font-family: monospace;
}

.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

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

.stat-value {
    font-size: 36px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-label {
    color: var(--text-muted);
    font-size: 14px;
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 15px;
    }

    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
    }

    .landing-buttons {
        flex-direction: column;
    }

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

    .logo-large {
        font-size: 36px;
    }

    .tagline {
        font-size: 16px;
    }
}