/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --ink: #1a1a2e;
    --ink-muted: #5a5a7a;
    --surface: #f8f8fc;
    --white: #ffffff;
    --border: #e2e2ef;
    --accent: #4f46e5;
    --accent-hover: #4338ca;
    --success: #059669;
    --danger: #dc2626;
    --draft-bg: #fef9c3;
    --draft-text: #854d0e;
    --pub-bg: #dcfce7;
    --pub-text: #166534;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,.10);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--surface);
    color: var(--ink);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

/* ── Layout ── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }

/* ── Header ── */
.site-header {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 100;
}
.site-header .container {
    display: flex; align-items: center; justify-content: space-between;
    height: 60px;
}
.brand {
    font-size: 1.2rem; font-weight: 700; color: var(--ink);
    text-decoration: none; letter-spacing: -0.02em;
}
.brand:hover { text-decoration: none; color: var(--accent); }
nav { display: flex; align-items: center; gap: 1.5rem; }
nav a { color: var(--ink-muted); font-size: .95rem; font-weight: 500; }
nav a:hover { color: var(--ink); text-decoration: none; }
.btn-new {
    background: var(--accent); color: #fff !important;
    padding: .4rem 1rem; border-radius: var(--radius);
    font-size: .875rem; font-weight: 600;
}
.btn-new:hover { background: var(--accent-hover); text-decoration: none; }

/* ── Main ── */
main.container { padding-top: 2rem; padding-bottom: 3rem; flex: 1; }

/* ── Buttons ── */
.btn {
    display: inline-flex; align-items: center; gap: .4rem;
    padding: .5rem 1.1rem; border-radius: var(--radius);
    font-size: .9rem; font-weight: 600; cursor: pointer;
    border: none; text-decoration: none; transition: all .15s;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); color: #fff; text-decoration: none; }
.btn-secondary { background: var(--white); color: var(--ink); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--ink-muted); text-decoration: none; }
.btn-ghost { background: transparent; color: var(--ink-muted); }
.btn-ghost:hover { color: var(--ink); text-decoration: none; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; color: #fff; text-decoration: none; }

/* ── Alerts ── */
.alert { padding: .75rem 1rem; border-radius: var(--radius); margin-bottom: 1.5rem; font-size: .9rem; }
.alert-success { background: var(--pub-bg); color: var(--pub-text); border: 1px solid #bbf7d0; }

/* ── Page Header ── */
.page-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 1.5rem;
}
.page-header h1 { font-size: 1.6rem; font-weight: 700; letter-spacing: -.02em; }

/* ── Dashboard ── */
.dashboard-hero { margin-bottom: 2rem; }
.dashboard-hero h1 { font-size: 2rem; font-weight: 800; letter-spacing: -.03em; }
.dashboard-hero p { color: var(--ink-muted); margin-top: .3rem; }

.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-bottom: 2.5rem; }
.stat-card {
    background: var(--white); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 1.25rem 1.5rem;
    display: flex; flex-direction: column; gap: .25rem;
    box-shadow: var(--shadow);
}
.stat-number { font-size: 2.2rem; font-weight: 800; letter-spacing: -.04em; color: var(--ink); }
.stat-label { font-size: .825rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-muted); }
.stat-published .stat-number { color: var(--success); }
.stat-draft .stat-number { color: #d97706; }

.section-header { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 1rem; }
.section-header h2 { font-size: 1.1rem; font-weight: 700; }
.recent-section { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--shadow); }

.article-list { display: flex; flex-direction: column; gap: 1.25rem; }
.article-row { border-top: 1px solid var(--border); padding-top: 1.25rem; }
.article-row:first-child { border-top: none; padding-top: 0; }
.article-meta { display: flex; align-items: center; gap: .5rem; margin-bottom: .25rem; }
.article-title { font-size: 1.05rem; font-weight: 600; color: var(--ink); display: block; margin-bottom: .2rem; }
.article-title:hover { color: var(--accent); }
.article-summary { color: var(--ink-muted); font-size: .9rem; margin-bottom: .25rem; }
.author { font-size: .8rem; color: var(--ink-muted); }

/* ── Filter Bar ── */
.filter-bar {
    display: flex; gap: .75rem; align-items: center;
    flex-wrap: wrap; margin-bottom: 1.5rem;
}
.search-input, .select-input {
    padding: .45rem .75rem; border: 1px solid var(--border);
    border-radius: var(--radius); font-size: .9rem;
    background: var(--white); color: var(--ink);
    outline: none;
}
.search-input { flex: 1; min-width: 200px; }
.search-input:focus, .select-input:focus { border-color: var(--accent); }

/* ── Data Table ── */
.data-table { width: 100%; border-collapse: collapse; background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.data-table thead { background: var(--surface); }
.data-table th { text-align: left; padding: .75rem 1rem; font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-muted); border-bottom: 1px solid var(--border); }
.data-table td { padding: .85rem 1rem; font-size: .9rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: var(--surface); }
.table-link { font-weight: 600; color: var(--ink); }
.table-link:hover { color: var(--accent); }
.actions { display: flex; gap: .75rem; }
.actions a { font-size: .85rem; font-weight: 500; }
.actions .danger { color: var(--danger); }
.actions .danger:hover { color: #b91c1c; }

/* ── Tags & Badges ── */
.tag { font-size: .75rem; font-weight: 600; padding: .2rem .6rem; border-radius: 999px; background: #ede9fe; color: #5b21b6; }
.date { font-size: .8rem; color: var(--ink-muted); }
.badge { font-size: .75rem; font-weight: 700; padding: .2rem .65rem; border-radius: 999px; letter-spacing: .02em; }
.badge-published { background: var(--pub-bg); color: var(--pub-text); }
.badge-draft { background: var(--draft-bg); color: var(--draft-text); }

/* ── Empty State ── */
.empty-state { text-align: center; padding: 3rem 1rem; color: var(--ink-muted); }
.empty-state p { margin-bottom: 1rem; }

/* ── Article Detail ── */
.detail-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 2rem; }
.breadcrumb { font-size: .9rem; color: var(--ink-muted); }
.breadcrumb a { color: var(--ink-muted); }
.detail-actions { display: flex; gap: .5rem; }
.article-detail { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 2.5rem; box-shadow: var(--shadow); }
.article-detail-header { margin-bottom: 2rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--border); }
.article-detail-meta { display: flex; gap: .5rem; margin-bottom: .75rem; }
.article-detail h1 { font-size: 2rem; font-weight: 800; letter-spacing: -.03em; margin-bottom: .75rem; }
.article-detail-summary { font-size: 1.1rem; color: var(--ink-muted); margin-bottom: .75rem; }
.article-detail-byline { font-size: .875rem; color: var(--ink-muted); }
.article-body { font-size: 1rem; line-height: 1.8; color: var(--ink); }
.back-link { margin-top: 1.5rem; }

/* ── Forms ── */
.form-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow); max-width: 760px; }
.form-group { display: flex; flex-direction: column; gap: .35rem; margin-bottom: 1.25rem; }
.form-group label { font-size: .875rem; font-weight: 600; color: var(--ink); }
.form-control {
    padding: .5rem .75rem; border: 1px solid var(--border);
    border-radius: var(--radius); font-size: .95rem;
    background: var(--white); color: var(--ink);
    outline: none; transition: border .15s;
    width: 100%;
}
.form-control:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79,70,229,.12); }
.form-textarea { resize: vertical; font-family: inherit; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-check { flex-direction: row; align-items: center; }
.check-label { display: flex; align-items: center; gap: .5rem; font-size: .95rem; cursor: pointer; }
.form-checkbox { width: 16px; height: 16px; cursor: pointer; accent-color: var(--accent); }
.form-actions { display: flex; gap: .75rem; margin-top: .5rem; }
.field-error { font-size: .8rem; color: var(--danger); }
.validation-summary { background: #fee2e2; border: 1px solid #fca5a5; color: var(--danger); padding: .75rem 1rem; border-radius: var(--radius); margin-bottom: 1rem; font-size: .875rem; }

/* ── Delete Confirm ── */
.delete-confirm { max-width: 480px; text-align: center; margin: 0 auto; }
.delete-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.delete-confirm h2 { margin-bottom: .5rem; }
.delete-confirm p { color: var(--ink-muted); margin-bottom: .5rem; }
.delete-article-title { font-size: 1.1rem; font-weight: 700; color: var(--ink); padding: .75rem 1rem; border-left: 4px solid var(--danger); background: #fef2f2; border-radius: 4px; text-align: left; margin: .75rem 0; }
.delete-meta { font-size: .85rem !important; }
.delete-warning { color: var(--danger) !important; font-weight: 600; margin-bottom: 1.5rem !important; }
.delete-form { display: flex; gap: .75rem; justify-content: center; }

/* ── Footer ── */
.site-footer { border-top: 1px solid var(--border); padding: 1.25rem 0; margin-top: auto; }
.site-footer p { font-size: .8rem; color: var(--ink-muted); text-align: center; }

/* ── Responsive ── */
@media (max-width: 640px) {
    .stats-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .filter-bar { flex-direction: column; align-items: stretch; }
    .data-table { font-size: .8rem; }
    .data-table th, .data-table td { padding: .6rem .75rem; }
}