:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --secondary: #64748b;
    --success: #10b981;
    --danger: #ef4444;
    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
    --card-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text: #f8fafc;
    --text-muted: #94a3b8;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Outfit', sans-serif;
}

body {
    background: var(--bg-gradient);
    background-attachment: fixed;
    color: var(--text);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    padding: 20px;
}

.glass-container {
    width: 100%;
    max-width: 500px;
}

header {
    text-align: center;
    margin-bottom: 30px;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 5px;
}

.header-top h1 {
    margin-bottom: 0;
    flex-grow: 1;
}

.logout-link {
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.2rem;
    transition: color 0.3s;
    text-decoration: none;
    padding-left: 15px;
}

.logout-link:hover {
    color: #ff6b6b;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 5px;
    background: linear-gradient(to right, #818cf8, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

header p {
    color: var(--text-muted);
}

.card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.upload-box {
    border: 2px dashed var(--glass-border);
    border-radius: 15px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.upload-box:hover {
    background: rgba(255, 255, 255, 0.03);
    border-color: var(--primary);
}

.upload-content i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 15px;
    display: block;
}

.upload-content span {
    font-weight: 600;
    font-size: 1.1rem;
    display: block;
}

.small {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 5px;
}

#loading {
    text-align: center;
    padding: 20px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-left-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}

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

.form-group {
    margin-bottom: 15px;
}

.form-row {
    display: flex;
    gap: 15px;
}

.form-row .form-group {
    flex: 1;
}

label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 5px;
}

input {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    padding: 12px;
    color: white;
    font-size: 1rem;
}

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

.btn {
    border: none;
    border-radius: 12px;
    padding: 14px 20px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, opacity 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-decoration: none;
    font-size: 1rem;
}

.btn:active {
    transform: scale(0.98);
}

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

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

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

.btn.danger-outline {
    background: transparent;
    border: 1px solid var(--danger);
    color: var(--danger);
}

.full-width {
    width: 100%;
    margin-top: 10px;
}

.actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.actions .btn {
    flex: 1;
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.badge {
    background: var(--primary);
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
}

.table-container {
    overflow-x: auto;
}

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

th {
    text-align: left;
    font-size: 0.8rem;
    color: var(--text-muted);
    padding-bottom: 10px;
    border-bottom: 1px solid var(--glass-border);
}

td {
    padding: 12px 0;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.delete-btn {
    background: transparent;
    border: none;
    color: var(--danger);
    cursor: pointer;
}

.hidden {
    display: none;
}

footer {
    text-align: center;
    padding: 20px;
    color: var(--text-muted);
    font-size: 0.8rem;
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }

    .card {
        padding: 15px;
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }
}