/* Import a modern font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700&display=swap');

:root {
    --bg-color: #1a1a1e;
    --card-color: #2c2c34;
    --text-color: #f0f0f0;
    --text-muted: #aaa;
    --accent-color: #007bff;
    --accent-hover: #0056b3;
    --danger-color: #dc3545;
    --success-color: #28a745;
    --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
}

/* --- Login Page Styling --- */
.login-container {
    display: grid;
    place-items: center;
    min-height: 100vh;
    background-image: linear-gradient(to top right, #3a1c71, #d76d77, #ffaf7b);
}

.login-form {
    background: rgba(26, 26, 30, 0.75); /* Semi-transparent card */
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 12px;
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--card-shadow);
    text-align: center;
}

.login-form h1 {
    margin-top: 0;
    color: #fff;
}

.login-form .input-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.login-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-muted);
}

.login-form input[type="password"] {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--text-color);
    box-sizing: border-box; /* Important for padding to work */
}

.login-form button {
    width: 100%;
    padding: 0.75rem;
    font-size: 1.1rem;
    font-weight: 700;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.login-form button:hover {
    background: var(--accent-hover);
}

.login-error {
    color: #ff8a80;
    margin-top: 1rem;
}

/* --- Dashboard Styling --- */
.dashboard-container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 2rem;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--card-color);
    padding-bottom: 1rem;
    margin-bottom: 2rem;
}

.header h1 {
    margin: 0;
}

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

.header a.logout-btn {
    text-decoration: none;
    background: var(--card-color);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    color: var(--text-color);
    font-weight: 500;
    transition: background-color 0.2s ease;
}

.header a.logout-btn:hover {
    background: #444;
}

h2 {
    color: var(--text-color);
    border-bottom: 1px solid var(--card-color);
    padding-bottom: 0.5rem;
    margin-top: 2rem;
}

/* Folder Grid */
.folder-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.folder-card {
    background: var(--card-color);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.folder-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.folder-card a {
    text-decoration: none;
    color: var(--text-color);
}

.folder-card h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.25rem;
    color: var(--accent-color);
}

.folder-card p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.no-folders {
    color: var(--text-muted);
    font-style: italic;
}

/* --- Admin Panel Styling --- */
.admin-panel {
    background: var(--card-color);
    border-radius: 12px;
    padding: 2rem;
    margin-top: 3rem;
    box-shadow: var(--card-shadow);
}

.admin-grid {
    display: grid;
    /* This will automatically wrap columns and keep them a good size */
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.admin-form {
    background: #1a1a1e;
    padding: 1.5rem;
    border-radius: 8px;
}

.admin-form h4 {
    margin-top: 0;
    border-bottom: 1px solid #444;
    padding-bottom: 0.5rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-muted);
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    font-size: 0.9rem;
    background: #2c2c34;
    border: 1px solid #444;
    border-radius: 8px;
    color: var(--text-color);
    box-sizing: border-box;
}

.form-group textarea {
    min-height: 80px;
    resize: vertical;
}

.form-group .permission-list {
    max-height: 150px;
    overflow-y: auto;
    background: #2c2c34;
    border: 1px solid #444;
    border-radius: 8px;
    padding: 0.75rem;
}

.form-group .permission-list label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 400;
    color: var(--text-color);
}

.form-group .permission-list input {
    margin-right: 0.5rem;
}

button[type="submit"] {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    font-weight: 700;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s ease, opacity 0.2s ease;
}

button[type="submit"].btn-success {
    background-color: var(--success-color);
    color: white;
}
button[type="submit"].btn-success:hover { background-color: #218838; }

button[type="submit"].btn-primary {
    background-color: var(--accent-color);
    color: white;
}
button[type...].btn-primary:hover { background-color: var(--accent-hover); }

button[type="submit"]:disabled {
    background-color: #555;
    opacity: 0.7;
    cursor: not-allowed;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .admin-grid {
        grid-template-columns: 1fr;
    }
    .dashboard-container {
        padding: 1rem;
    }
}