:root {
    --bg: #f4f6f8;
    --surface: #ffffff;
    --ink: #1f2933;
    --ink-soft: #52606d;
    --line: #dfe3e8;
    --brand: #0b5cad;
    --brand-dark: #084a8c;
    --danger-bg: #fdecea;
    --danger-ink: #922b21;
    --success-bg: #e8f6ec;
    --success-ink: #1e6b3a;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(15, 23, 42, .08), 0 6px 18px rgba(15, 23, 42, .06);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--ink);
    background: var(--bg);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-block;
    border: 1px solid transparent;
    border-radius: var(--radius);
    padding: .6rem 1.1rem;
    font-size: .95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color .15s ease, border-color .15s ease;
}

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

.btn-ghost {
    background: transparent;
    color: var(--ink-soft);
    border-color: var(--line);
}
.btn-ghost:hover { background: #f0f2f4; }

/* ---------- Alerts ---------- */
.alert {
    border-radius: var(--radius);
    padding: .7rem .9rem;
    margin-bottom: 1rem;
    font-size: .92rem;
}
.alert-error   { background: var(--danger-bg);  color: var(--danger-ink); }
.alert-success { background: var(--success-bg); color: var(--success-ink); }

/* ---------- Auth (login) ---------- */
.auth-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.auth-card {
    background: var(--surface);
    width: 100%;
    max-width: 380px;
    padding: 2rem 1.75rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.auth-brand {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--brand);
    letter-spacing: -.02em;
}
.auth-subtitle {
    margin: .1rem 0 1.5rem;
    color: var(--ink-soft);
    font-size: .85rem;
    text-transform: uppercase;
    letter-spacing: .08em;
}

.auth-card label {
    display: block;
    font-size: .85rem;
    font-weight: 600;
    color: var(--ink-soft);
    margin: .9rem 0 .35rem;
}

.auth-card input {
    width: 100%;
    padding: .65rem .75rem;
    font-size: 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    color: var(--ink);
}
.auth-card input:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(11, 92, 173, .15);
}

.auth-card button { margin-top: 1.4rem; }

/* ---------- Admin shell ---------- */
.admin-header {
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .85rem 1.5rem;
    flex-wrap: wrap;
    gap: .5rem;
}

.admin-header-brand {
    font-weight: 800;
    color: var(--brand);
    font-size: 1.15rem;
}
.admin-header-brand span {
    color: var(--ink-soft);
    font-weight: 600;
}

.admin-header-user {
    display: flex;
    align-items: center;
    gap: .75rem;
}
.admin-user-name { font-weight: 600; }
.admin-user-role {
    font-size: .72rem;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--ink-soft);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: .12rem .55rem;
}
.logout-form { margin: 0; }

/* Layout: sidebar + content */
.admin-layout {
    display: flex;
    align-items: flex-start;
    min-height: calc(100vh - 61px);
}

.admin-sidebar {
    flex: 0 0 220px;
    background: var(--surface);
    border-right: 1px solid var(--line);
    padding: 1.25rem 0;
    align-self: stretch;
}
.admin-sidebar nav { display: flex; flex-direction: column; }
.nav-link {
    display: block;
    padding: .55rem 1.5rem;
    color: var(--ink);
    text-decoration: none;
    font-weight: 600;
    font-size: .95rem;
    border-left: 3px solid transparent;
}
.nav-link:hover { background: #f0f2f4; }
.nav-link.is-active {
    color: var(--brand);
    border-left-color: var(--brand);
    background: #eef4fb;
}
.nav-child { padding-left: 2.25rem; font-weight: 500; }
.nav-group {
    padding: 1rem 1.5rem .25rem;
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--ink-soft);
}

.admin-main {
    flex: 1 1 auto;
    min-width: 0;
    max-width: 900px;
    padding: 2rem 1.75rem;
}

.admin-main h1 {
    margin: 0 0 .35rem;
    font-size: 1.6rem;
}
.admin-lede {
    color: var(--ink-soft);
    margin: 0 0 1.75rem;
}

.panel {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow);
}
.panel h2 {
    margin: 0 0 .5rem;
    font-size: 1.1rem;
}
.panel p { margin: 0; color: var(--ink-soft); }
.panel a, .admin-main a { color: var(--brand); }

/* Page header row */
.page-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.25rem;
}
.page-head h1 { margin: 0; }

.btn-inline { width: auto; }

/* Filters bar */
.filters {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin-bottom: 1.25rem;
}
.filters input[type="search"],
.filters select {
    padding: .5rem .65rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    font-size: .95rem;
    background: #fff;
    color: var(--ink);
}
.filters input[type="search"] { flex: 1 1 220px; min-width: 0; }

/* Data table */
.table-wrap { overflow-x: auto; }
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
}
.data-table th,
.data-table td {
    text-align: left;
    padding: .7rem .9rem;
    border-bottom: 1px solid var(--line);
    font-size: .93rem;
    vertical-align: top;
}
.data-table th {
    background: #f7f9fb;
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--ink-soft);
}
.data-table tr:last-child td { border-bottom: none; }
.data-table .muted { color: var(--ink-soft); font-size: .8rem; margin-top: .1rem; }
.col-action { text-align: right; white-space: nowrap; }

/* Status badges */
.badge {
    display: inline-block;
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
    padding: .18rem .55rem;
    border-radius: 999px;
    border: 1px solid transparent;
}
.badge-draft     { background: #eef1f4; color: #52606d; border-color: #dfe3e8; }
.badge-published { background: var(--success-bg); color: var(--success-ink); border-color: #bfe3c9; }
.badge-archived  { background: #fbeee6; color: #8a4b1f; border-color: #f0d6c2; }

.empty-state {
    background: var(--surface);
    border: 1px dashed var(--line);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    color: var(--ink-soft);
}

/* Entity form */
.entity-form {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    max-width: 720px;
}
.form-row { margin-bottom: 1.1rem; }
.form-row label {
    display: block;
    font-weight: 600;
    font-size: .9rem;
    color: var(--ink-soft);
    margin-bottom: .35rem;
}
.form-row input[type="text"],
.form-row input[type="email"],
.form-row textarea,
.form-row select {
    width: 100%;
    padding: .6rem .7rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    background: #fff;
    color: var(--ink);
}
.form-row textarea { resize: vertical; }
.form-row input:focus,
.form-row textarea:focus,
.form-row select:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(11, 92, 173, .15);
}
.req { color: var(--danger-ink); }
.field-error { color: var(--danger-ink); font-size: .82rem; margin-top: .3rem; }

.slug-display {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: .9rem;
    background: #f4f6f8;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: .5rem .7rem;
    color: var(--ink-soft);
}
.checkbox-row {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-weight: 500 !important;
    color: var(--ink) !important;
    margin-top: .5rem;
}
.checkbox-row input { width: auto; }

.optional-fields {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1rem 1.25rem .25rem;
    margin: 1.25rem 0;
}
.optional-fields legend {
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--ink-soft);
    padding: 0 .4rem;
}

.form-actions {
    display: flex;
    align-items: center;
    gap: .75rem;
    margin-top: .5rem;
}

@media (max-width: 720px) {
    .admin-header { flex-direction: column; align-items: flex-start; }
    .admin-layout { flex-direction: column; }
    .admin-sidebar {
        flex-basis: auto;
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--line);
        padding: .5rem 0;
    }
    .admin-sidebar nav { flex-direction: row; flex-wrap: wrap; align-items: center; }
    .nav-child { padding-left: 1.5rem; }
    .nav-group { width: 100%; padding-bottom: 0; }
}