/* Basic reset and variables */
:root {
    --primary-color: #2563eb;
    --secondary-color: #64748b;
    --success-color: #22c55e;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --bg-color: #f8fafc;
    --text-color: #1e293b;
    --border-color: #e2e8f0;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

/* Navigation */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: white;
    border-bottom: 1px solid var(--border-color);
}

.nav-brand a {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
}

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

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.logout-form {
    display: inline;
}

.logout-form button {
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    font-size: inherit;
}

.logout-form button:hover {
    color: var(--primary-color);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Flash messages */
.flash {
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
}

.flash-success {
    background-color: #dcfce7;
    color: #166534;
}

.flash-error {
    background-color: #fee2e2;
    color: #991b1b;
}

.flash-warning {
    background-color: #fef3c7;
    color: #92400e;
}

.flash-info {
    background-color: #dbeafe;
    color: #1e40af;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: background-color 0.2s;
}

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

.btn-primary:hover {
    background-color: #1d4ed8;
}

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

.btn-secondary:hover {
    background-color: #475569;
}

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

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

/* Landing page */
.landing {
    text-align: center;
    padding: 4rem 0;
}

.landing h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.landing .tagline {
    font-size: 1.25rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.landing .hero-description {
    font-size: 1.1rem;
    color: var(--text-color);
    max-width: 700px;
    margin: 0 auto 3rem;
    line-height: 1.7;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.feature {
    padding: 2rem;
    background: white;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
}

.feature h3 {
    margin-bottom: 0.5rem;
}

.cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Auth forms */
.auth-form {
    max-width: 400px;
    margin: 2rem auto;
    padding: 2rem;
    background: white;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
}

.auth-form h2 {
    margin-bottom: 1.5rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
}

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

/* Error page */
.error-page {
    text-align: center;
    padding: 4rem 0;
}

.error-page h1 {
    font-size: 6rem;
    color: var(--secondary-color);
}

/* Footer */
.footer {
    text-align: center;
    padding: 2rem;
    color: var(--secondary-color);
    border-top: 1px solid var(--border-color);
    margin-top: 2rem;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

th, td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: var(--bg-color);
    font-weight: 600;
}

/* Cards list */
.card-item {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1rem;
    margin-bottom: 1rem;
}

.card-item h3 {
    margin-bottom: 0.5rem;
}

.card-item .meta {
    color: var(--secondary-color);
    font-size: 0.875rem;
}

/* Auth form enhancements */
.btn-full {
    width: 100%;
    text-align: center;
}

.auth-divider {
    display: flex;
    align-items: center;
    margin: 1.5rem 0;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--border-color);
}

.auth-divider span {
    padding: 0 1rem;
    color: var(--secondary-color);
    font-size: 0.875rem;
}

.auth-links {
    margin-top: 1.5rem;
    text-align: center;
}

.auth-links p {
    margin: 0.5rem 0;
}

.tier-info {
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--bg-color);
    border-radius: 0.5rem;
    text-align: center;
    font-size: 0.875rem;
}

.form-group.checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-group.checkbox input {
    width: auto;
}

.error {
    color: var(--error-color);
    font-size: 0.875rem;
    display: block;
    margin-top: 0.25rem;
}

/* Dashboard styles */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
}

.stat-card h3 {
    font-size: 0.875rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.stat-card .value {
    font-size: 2rem;
    font-weight: bold;
}

/* API Key display */
.api-key-display {
    background: #1e293b;
    color: #e2e8f0;
    padding: 1rem;
    border-radius: 0.5rem;
    font-family: monospace;
    word-break: break-all;
    margin: 1rem 0;
}

.api-key-warning {
    background: #fef3c7;
    color: #92400e;
    padding: 1rem;
    border-radius: 0.5rem;
    margin: 1rem 0;
}

/* Admin styles */
.admin-nav {
    display: flex;
    gap: 0.5rem;
}

.search-form {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.search-form .form-control {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
}

.inline-form {
    display: inline;
}

.btn-small {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    background: var(--bg-color);
    color: var(--secondary-color);
}

.badge-admin {
    background: #dbeafe;
    color: #1e40af;
}

.text-muted {
    color: var(--secondary-color);
}

table select {
    padding: 0.375rem;
    border: 1px solid var(--border-color);
    border-radius: 0.25rem;
    font-size: 0.875rem;
}

code {
    background: var(--bg-color);
    padding: 0.125rem 0.25rem;
    border-radius: 0.25rem;
    font-size: 0.875rem;
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 1.5rem;
}

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

.pagination a:hover {
    text-decoration: underline;
}