/* OAuth Server — Dark theme, mobile-first responsive */

:root {
    --bg-primary: #0f0f1a;
    --bg-secondary: #1a1a2e;
    --bg-card: #16213e;
    --bg-input: #0f0f1a;
    --border: #2a2a4a;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0b0;
    --text-muted: #6a6a7a;
    --accent: #4f8cff;
    --accent-hover: #6ba1ff;
    --danger: #ff4f6a;
    --danger-hover: #ff6b82;
    --success: #4fdf7b;
    --radius: 8px;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--accent);
    text-decoration: none;
}
a:hover {
    color: var(--accent-hover);
}

/* --- Nav --- */
.nav {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.nav-brand {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-brand .lock-icon {
    font-size: 1.3rem;
}

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

.nav-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 0.25rem 0;
}
.nav-links a:hover {
    color: var(--text-primary);
}

/* --- Main content --- */
.main {
    flex: 1;
    padding: 1.5rem 1rem;
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
}

/* --- Cards --- */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

/* --- Centered layout (login, device flow) --- */
.center-layout {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 60px);
    padding: 1rem;
}

.center-card {
    width: 100%;
    max-width: 420px;
}

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

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.375rem;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="email"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color 0.2s;
    -webkit-appearance: none;
}

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

/* Large input for device code */
.input-code {
    font-size: 1.75rem;
    text-align: center;
    letter-spacing: 0.3em;
    font-family: "SF Mono", "Fira Code", "Cascadia Mono", monospace;
    text-transform: uppercase;
    padding: 1rem;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    text-decoration: none;
    gap: 0.5rem;
    -webkit-tap-highlight-color: transparent;
}

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

.btn-primary {
    background-color: var(--accent);
    color: #fff;
    width: 100%;
}
.btn-primary:hover {
    background-color: var(--accent-hover);
    color: #fff;
}

.btn-danger {
    background-color: var(--danger);
    color: #fff;
}
.btn-danger:hover {
    background-color: var(--danger-hover);
    color: #fff;
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
}
.btn-outline:hover {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

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

/* --- Consent page --- */
.scope-list {
    list-style: none;
    margin: 1rem 0;
}

.scope-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.95rem;
}

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

.scope-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-right: 0.5rem;
}

.consent-app-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    text-align: center;
    margin-bottom: 0.5rem;
}

.consent-prompt {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.consent-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.consent-actions .btn {
    flex: 1;
}

/* --- Tables (profile, admin) --- */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

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

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

th {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

td {
    font-size: 0.95rem;
}

/* --- Alerts --- */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.alert-error {
    background-color: rgba(255, 79, 106, 0.1);
    border: 1px solid rgba(255, 79, 106, 0.3);
    color: var(--danger);
}

.alert-success {
    background-color: rgba(79, 223, 123, 0.1);
    border: 1px solid rgba(79, 223, 123, 0.3);
    color: var(--success);
}

/* --- Device flow success --- */
.success-icon {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 1rem;
}

.success-message {
    text-align: center;
    color: var(--text-secondary);
}

/* --- Footer --- */
.footer {
    padding: 1rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
    border-top: 1px solid var(--border);
}

/* --- Responsive --- */
@media (min-width: 768px) {
    .main {
        padding: 2rem;
    }

    .nav {
        padding: 0.75rem 2rem;
    }

    .card {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .nav-links {
        font-size: 0.85rem;
        gap: 0.75rem;
    }

    .card {
        padding: 1.25rem;
    }

    .consent-actions {
        flex-direction: column;
    }

    th, td {
        padding: 0.5rem;
        font-size: 0.85rem;
    }
}