:root {
    --bg: #f5f6f8;
    --panel: #ffffff;
    --border: #e2e5eb;
    --text: #1c1f27;
    --text-dim: #6b7280;
    --accent: #3358e0;
    --accent-hover: #2745bd;
    --danger: #d6394a;
    --radius: 8px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

.admin-nav {
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    height: 56px;
}

.admin-nav .brand { font-weight: 700; margin-right: 12px; }
.admin-nav a.nav-link { color: var(--text-dim); font-size: 14px; }
.admin-nav a.nav-link.active, .admin-nav a.nav-link:hover { color: var(--accent); }
.admin-nav .spacer { flex: 1; }
.admin-nav .who { color: var(--text-dim); font-size: 13px; }

.admin-wrap {
    max-width: 960px;
    margin: 0 auto;
    padding: 32px 24px 80px;
}

.page-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.page-head h1 { margin: 0; font-size: 22px; }

.panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
}

.btn {
    display: inline-block;
    padding: 9px 16px;
    border-radius: 6px;
    border: 1px solid transparent;
    background: var(--accent);
    color: #fff;
    font-size: 14px;
    cursor: pointer;
    font-weight: 600;
}
.btn:hover { background: var(--accent-hover); text-decoration: none; }
.btn.secondary { background: var(--panel); color: var(--text); border-color: var(--border); }
.btn.secondary:hover { background: #f0f1f3; }
.btn.danger { background: var(--danger); }
.btn.danger:hover { background: #b32c3b; }
.btn.small { padding: 5px 10px; font-size: 12px; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); font-size: 14px; }
th { color: var(--text-dim); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; }
tr:last-child td { border-bottom: none; }

.badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 2px 8px;
    border-radius: 999px;
}
.badge.super_admin { background: #ffe6c7; color: #94530a; }
.badge.editor { background: #dbe6ff; color: #1e3fa0; }
.badge.draft { background: #eee; color: #666; }
.badge.published { background: #d7f5e3; color: #157347; }

label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 13px; }
input[type=text], input[type=password], input[type=email], input[type=date], textarea, select {
    width: 100%;
    padding: 9px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    margin-bottom: 16px;
    background: #fff;
    color: var(--text);
}
textarea { resize: vertical; }
.field-row { display: flex; gap: 16px; }
.field-row > div { flex: 1; }
.hint { color: var(--text-dim); font-size: 12px; margin-top: -12px; margin-bottom: 16px; }

.checkbox-grid { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.checkbox-grid label { display: flex; align-items: center; gap: 6px; font-weight: 400; margin: 0; background: #f0f1f3; padding: 6px 12px; border-radius: 999px; cursor: pointer; }
.checkbox-grid input { margin: 0; width: auto; }

.flash { padding: 12px 16px; border-radius: 6px; margin-bottom: 20px; font-size: 14px; }
.flash.success { background: #d7f5e3; color: #157347; }
.flash.error { background: #fbdadf; color: #a3273a; }

.login-wrap {
    max-width: 360px;
    margin: 90px auto;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
}
.login-wrap h1 { font-size: 20px; margin-top: 0; }

/* Markdown editor */
.md-editor { border: 1px solid var(--border); border-radius: 6px; margin-bottom: 16px; overflow: hidden; }
.md-toolbar { display: flex; gap: 2px; background: #f0f1f3; border-bottom: 1px solid var(--border); padding: 4px; }
.md-toolbar button {
    border: none; background: transparent; padding: 5px 9px; border-radius: 4px;
    cursor: pointer; font-size: 13px; color: var(--text);
}
.md-toolbar button:hover { background: #dfe1e6; }
.md-panes { display: flex; }
.md-panes.no-preview { display: block; }
.md-editor textarea {
    margin: 0; border: none; border-radius: 0; width: 50%;
    min-height: 110px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px;
}
.md-panes.no-preview textarea { width: 100%; }
.md-preview {
    width: 50%; min-height: 110px; padding: 9px 10px; border-left: 1px solid var(--border);
    font-size: 13.5px; overflow-y: auto; background: #fafbfc;
}
.md-preview:empty::before { content: "Preview will appear here."; color: var(--text-dim); }
.md-preview ul, .md-preview ol { margin: 0; padding-left: 20px; }
.md-preview p { margin: 0 0 8px; }
.md-preview code { background: #eee; padding: 1px 5px; border-radius: 4px; }