/* ExOne Knowledge Base — Minimal CSS */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

/* Navigation */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.5rem;
    background: #1a1a2e;
    color: #fff;
}

.nav-brand {
    font-weight: 600;
    font-size: 1.1rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-links a {
    color: #ccc;
    text-decoration: none;
}

.nav-links a:hover {
    color: #fff;
}

.nav-user {
    color: #aaa;
    font-size: 0.9rem;
}

/* Container */
.container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1rem;
}

/* Login Card */
.login-card,
.error-card {
    background: #fff;
    border-radius: 8px;
    padding: 3rem 2rem;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    max-width: 420px;
    margin: 4rem auto;
}

.login-card h1,
.error-card h1 {
    margin-bottom: 0.5rem;
    color: #1a1a2e;
}

.login-card p,
.error-card p {
    margin-bottom: 2rem;
    color: #666;
}

.login-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-primary {
    background: #0066cc;
    color: #fff;
}

.btn-primary:hover {
    background: #0052a3;
}

.btn-secondary {
    background: #e8e8e8;
    color: #333;
}

.btn-secondary:hover {
    background: #d0d0d0;
}

.btn-danger {
    background: #dc3545;
    color: #fff;
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
}

.btn-danger:hover {
    background: #c82333;
}

/* Admin */
.admin-nav {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #ddd;
}

.admin-nav a {
    color: #0066cc;
    text-decoration: none;
}

.admin-nav a:hover {
    text-decoration: underline;
}

.admin-nav .active {
    font-weight: 600;
    color: #333;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: #fff;
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

.stat-card .number {
    font-size: 2rem;
    font-weight: 700;
    color: #0066cc;
}

.stat-card .label {
    color: #666;
    font-size: 0.85rem;
}

/* Whitelist Editor */
.whitelist-section {
    background: #fff;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

.whitelist-section h2 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    color: #1a1a2e;
}

.add-form {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.add-form input[type="text"],
.add-form input[type="email"] {
    flex: 1;
    padding: 0.5rem 0.75rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 0.95rem;
}

.entry-list {
    list-style: none;
}

.entry-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
}

.entry-list li:last-child {
    border-bottom: none;
}

.empty-msg {
    color: #999;
    font-style: italic;
}

/* Flash messages */
.flash {
    padding: 0.75rem 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.flash-success {
    background: #d4edda;
    color: #155724;
}

.flash-error {
    background: #f8d7da;
    color: #721c24;
}