:root {
    color-scheme: light dark;
    --color-bg: #f4f5f7;
    --color-surface: #ffffff;
    --color-border: #dfe3e8;
    --color-text: #1f2430;
    --color-muted: #6b7280;
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-danger: #dc2626;
    --color-danger-hover: #b91c1c;
    --radius: 8px;
    font-family:
        -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
        sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--color-bg);
    color: var(--color-text);
    min-height: 100vh;
}

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

a:hover {
    text-decoration: underline;
}

button,
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4em;
    border: 1px solid transparent;
    border-radius: var(--radius);
    padding: 0.55em 1.1em;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    background: var(--color-primary);
    color: #fff;
    transition: background-color 0.15s ease;
}

button:hover,
.btn:hover {
    background: var(--color-primary-hover);
    text-decoration: none;
}

button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

button.secondary,
.btn.secondary {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}

button.secondary:hover,
.btn.secondary:hover {
    background: var(--color-bg);
}

button.danger,
.btn.danger {
    background: var(--color-danger);
}

button.danger:hover,
.btn.danger:hover {
    background: var(--color-danger-hover);
}

input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 0.55em 0.7em;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.95rem;
    background: var(--color-surface);
    color: var(--color-text);
}

label {
    display: block;
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 0.3em;
    color: var(--color-muted);
}

.field {
    margin-bottom: 1em;
}

/* --- Navbar --- */

.navbar {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 0 1.5rem;
    height: 56px;
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.1rem;
    letter-spacing: 0.02em;
}

.navbar-links {
    display: flex;
    gap: 0.25rem;
    flex: 1;
}

.navbar-links a {
    color: var(--color-muted);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.92rem;
}

.navbar-links a:hover,
.navbar-links a.active {
    background: var(--color-bg);
    color: var(--color-text);
    text-decoration: none;
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--color-muted);
}

.navbar-user form {
    margin: 0;
}

.navbar-user button {
    background: transparent;
    color: var(--color-muted);
    border-color: var(--color-border);
    padding: 0.35em 0.8em;
    font-size: 0.85rem;
}

.navbar-user button:hover {
    color: var(--color-text);
    background: var(--color-bg);
}

/* --- Layout --- */

main#main-content {
    max-width: 960px;
    margin: 0 auto;
    padding: 2rem 1.5rem 4rem;
}

.page-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.page-header h1 {
    margin: 0;
    font-size: 1.5rem;
}

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card h2 {
    margin-top: 0;
    font-size: 1.05rem;
}

.grid {
    display: grid;
    gap: 1.5rem;
}

.grid.cols-2 {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}

th,
td {
    text-align: left;
    padding: 0.6em 0.5em;
    border-bottom: 1px solid var(--color-border);
}

th {
    color: var(--color-muted);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

tr:last-child td {
    border-bottom: none;
}

.badge {
    display: inline-block;
    padding: 0.15em 0.6em;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    background: var(--color-bg);
    color: var(--color-muted);
}

.badge.admin {
    background: #eef2ff;
    color: #4338ca;
}

.badge.pending {
    background: #fef3c7;
    color: #92400e;
}

.badge.active {
    background: #dcfce7;
    color: #166534;
}

.badge.danger {
    background: #fee2e2;
    color: #991b1b;
}

.log-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.log-entry-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.75rem;
    color: var(--color-muted);
    font-size: 0.85rem;
    cursor: pointer;
}

.log-entry {
    padding: 1rem 1.5rem;
}

.log-entry[open] .log-entry-header {
    margin-bottom: 0.75rem;
}

.log-filter {
    margin-bottom: 1rem;
}

.log-load-more {
    display: flex;
    justify-content: center;
    margin-top: 0.5rem;
}

.log-output {
    background: var(--color-bg);
    padding: 0.75em;
    border-radius: var(--radius);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.85rem;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 20rem;
    overflow-y: auto;
    margin: 0;
}

.actions {
    display: flex;
    gap: 0.5em;
    flex-wrap: wrap;
}

.actions form {
    margin: 0;
}

.actions form.inline-form {
    display: flex;
    gap: 0.4em;
    align-items: center;
    flex-wrap: wrap;
}

.actions form.inline-form input[type="password"],
.actions form.inline-form input[type="text"] {
    width: 150px;
}

.flash {
    padding: 0.9em 1.1em;
    border-radius: var(--radius);
    margin-bottom: 1.25rem;
    font-size: 0.92rem;
}

.flash.success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #86efac;
}

.flash.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.flash.info {
    background: #eff6ff;
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

.invite-link {
    display: block;
    word-break: break-all;
    background: var(--color-bg);
    padding: 0.75em;
    border-radius: var(--radius);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.85rem;
    margin-top: 0.5em;
}

/* --- Auth pages (login / invite) --- */

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.auth-card {
    width: 100%;
    max-width: 380px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 14px;
    padding: 2.25rem 2rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
}

.auth-card h1 {
    font-size: 1.4rem;
    margin: 0 0 0.4rem;
}

.auth-card p.subtitle {
    color: var(--color-muted);
    font-size: 0.92rem;
    margin: 0 0 1.75rem;
}

.auth-card button {
    width: 100%;
    padding: 0.75em 1em;
    font-size: 1rem;
}

.auth-card .field {
    text-align: left;
}

.auth-status {
    min-height: 1.4em;
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--color-muted);
}

.auth-status.error {
    color: var(--color-danger);
}

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

.empty-state {
    color: var(--color-muted);
    font-size: 0.9rem;
    padding: 1rem 0;
}

.checkbox-field {
    display: flex;
    align-items: center;
    gap: 0.4em;
}

.checkbox-field input[type="checkbox"] {
    width: auto;
}

.form-actions {
    margin-top: 1rem;
}

/* --- Global error banner (shown for htmx requests that fail without their own
   dedicated error handling, e.g. plain hx-post/hx-delete forms). Rendered as a
   full-width banner directly under the navbar so it survives #main-content
   being swapped out by htmx. --- */

.global-flash {
    margin: 0;
    padding: 0.8em 1.5rem;
    font-size: 0.92rem;
    text-align: center;
    background: #fee2e2;
    color: #991b1b;
    border-bottom: 1px solid #fca5a5;
    cursor: pointer;
}

.global-flash[hidden] {
    display: none;
}