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

:root {
  --color-bg: #fafaf9;
  --color-surface: #ffffff;
  --color-border: #e5e5e4;
  --color-text: #1c1c1a;
  --color-text-secondary: #6b6b69;
  --color-muted: #a3a3a1;
  --color-primary: #18181b;
  --color-primary-hover: #27272a;
  --color-accent: #6366f1;
  --color-accent-light: #eef2ff;
  --color-success: #16a34a;
  --color-success-bg: #f0fdf4;
  --color-error: #dc2626;
  --color-error-bg: #fef2f2;
  --color-danger: #ef4444;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.04);
  --shadow-lg: 0 10px 30px rgba(0,0,0,.10), 0 4px 8px rgba(0,0,0,.06);
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-serif: 'Merriweather', Georgia, serif;
  --transition: 0.15s ease;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; }

/* ─── Layout ────────────────────────────────────────────────────────────────── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 720px; margin: 0 auto; padding: 0 24px; }
.main { min-height: calc(100vh - 140px); padding: 48px 0 80px; }

/* ─── Nav ───────────────────────────────────────────────────────────────────── */
.nav {
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-text-secondary);
  font-family: 'Pinyon Script', cursive;
}
.nav-links { display: flex; gap: 24px; }
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--color-text); }

/* ─── Page Header ───────────────────────────────────────────────────────────── */
.page-header { margin-bottom: 48px; }
.page-title { font-size: 2rem; font-weight: 700; letter-spacing: -0.03em; line-height: 1.2; }
.page-subtitle { margin-top: 8px; color: var(--color-text-secondary); font-size: 1rem; }

/* ─── Article Cards ─────────────────────────────────────────────────────────── */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.card-image-link { display: block; overflow: hidden; height: 200px; }
.card-image { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s ease; }
.card:hover .card-image { transform: scale(1.03); }
.card-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.card-date { font-size: 0.78rem; color: var(--color-muted); letter-spacing: 0.02em; text-transform: uppercase; }
.card-title { font-size: 1.15rem; font-weight: 700; margin: 8px 0; line-height: 1.3; letter-spacing: -0.01em; }
.card-title a:hover { color: var(--color-accent); }
.card-excerpt { font-size: 0.9rem; color: var(--color-text-secondary); line-height: 1.6; margin-bottom: 16px; flex: 1; }
.card-link { font-size: 0.875rem; font-weight: 600; color: var(--color-accent); margin-top: auto; }
.card-link:hover { text-decoration: underline; }

/* ─── Pagination ─────────────────────────────────────────────────────────────  */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 56px;
}
.pagination-info { font-size: 0.875rem; color: var(--color-text-secondary); }

/* ─── Article Page ───────────────────────────────────────────────────────────  */
.article-hero { margin-bottom: 36px; border-radius: var(--radius-lg); overflow: hidden; }
.article-hero-img { width: 100%; max-height: 460px; object-fit: cover; }
.article-header { margin-bottom: 36px; }
.article-date { font-size: 0.78rem; color: var(--color-muted); letter-spacing: 0.05em; text-transform: uppercase; }
.article-title { font-size: 2.2rem; font-weight: 700; margin: 12px 0; letter-spacing: -0.03em; line-height: 1.2; }
.article-excerpt { font-size: 1.1rem; color: var(--color-text-secondary); line-height: 1.7; margin-top: 8px; }
.article-content {
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 1.85;
  color: var(--color-text);
}
.article-content br { display: block; content: ''; margin-top: 0.5em; }

/* ─── Comments ───────────────────────────────────────────────────────────────  */
.comments-section {
  margin-top: 64px;
  padding-top: 48px;
  border-top: 1px solid var(--color-border);
}
.comments-title { font-size: 1.3rem; font-weight: 700; margin-bottom: 32px; letter-spacing: -0.02em; }
.comment-form { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 28px; margin-bottom: 40px; }
.comments-list { display: flex; flex-direction: column; gap: 20px; }
.comment {
  padding: 20px 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.comment-meta { display: flex; align-items: baseline; gap: 10px; margin-bottom: 8px; }
.comment-author { font-weight: 600; font-size: 0.9rem; }
.comment-date { font-size: 0.78rem; color: var(--color-muted); }
.comment-body { font-size: 0.95rem; line-height: 1.7; color: var(--color-text-secondary); white-space: pre-wrap; word-break: break-word; }
.back-link { margin-top: 48px; padding-bottom: 20px; }

/* ─── Forms ──────────────────────────────────────────────────────────────────  */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--color-text);
}
.form-hint { font-size: 0.78rem; color: var(--color-muted); margin-left: 4px; }
.required { color: var(--color-error); }
.form-input {
  width: 100%;
  padding: 10px 14px;
  font-size: 0.95rem;
  font-family: var(--font-sans);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-input--lg { font-size: 1.1rem; font-weight: 600; padding: 12px 16px; }
.form-input:focus { border-color: var(--color-accent); box-shadow: 0 0 0 3px rgba(99,102,241,0.12); }
.form-textarea {
  width: 100%;
  padding: 10px 14px;
  font-size: 0.95rem;
  font-family: var(--font-sans);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  resize: vertical;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-textarea--editor {
  min-height: 480px;
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 1.8;
  resize: vertical;
}
.form-textarea:focus { border-color: var(--color-accent); box-shadow: 0 0 0 3px rgba(99,102,241,0.12); }
.form-check { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.form-checkbox { width: 18px; height: 18px; accent-color: var(--color-accent); cursor: pointer; }
.form-check-label { font-size: 0.9rem; font-weight: 500; cursor: pointer; }
.form-file {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  width: 100%;
}

/* ─── Buttons ────────────────────────────────────────────────────────────────  */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  font-size: 0.875rem;
  font-weight: 600;
  border: 1.5px solid transparent;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-outline:hover { background: var(--color-bg); border-color: #ccc; }
.btn-danger {
  background: var(--color-danger);
  color: #fff;
  border-color: var(--color-danger);
}
.btn-danger:hover { background: #dc2626; }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.btn-block { width: 100%; }

/* ─── Alerts ─────────────────────────────────────────────────────────────────  */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  margin-bottom: 20px;
  border: 1px solid;
}
.alert-success { background: var(--color-success-bg); color: var(--color-success); border-color: #bbf7d0; }
.alert-error { background: var(--color-error-bg); color: var(--color-error); border-color: #fecaca; }

/* ─── Empty State ────────────────────────────────────────────────────────────  */
.empty-state {
  text-align: center;
  padding: 64px 24px;
  color: var(--color-text-secondary);
}
.empty-state a { color: var(--color-accent); font-weight: 500; }

/* ─── Footer ─────────────────────────────────────────────────────────────────  */
.footer {
  border-top: 1px solid var(--color-border);
  padding: 28px 0;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-muted);
}

/* ─── Admin Layout ───────────────────────────────────────────────────────────  */
.admin-body { background: #f4f4f3; }

.admin-layout {
  display: flex;
  min-height: 100vh;
}

.admin-sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--color-primary);
  display: flex;
  flex-direction: column;
  padding: 24px 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.sidebar-brand {
  padding: 8px 20px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 8px;
}
.sidebar-brand span {
  display: block;
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
  letter-spacing: -0.02em;
}
.sidebar-brand small { font-size: 0.72rem; color: rgba(255,255,255,0.4); letter-spacing: 0.05em; text-transform: uppercase; }
.sidebar-nav { flex: 1; padding: 0 12px; display: flex; flex-direction: column; gap: 2px; }
.sidebar-link {
  display: block;
  padding: 9px 12px;
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255,255,255,0.6);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.sidebar-link:hover, .sidebar-link.active {
  background: rgba(255,255,255,0.08);
  color: #fff;
}
.sidebar-link--danger { color: rgba(239,68,68,0.7) !important; }
.sidebar-link--danger:hover { background: rgba(239,68,68,0.12) !important; color: #ef4444 !important; }
.sidebar-footer { padding: 16px 12px 0; border-top: 1px solid rgba(255,255,255,0.08); display: flex; flex-direction: column; gap: 2px; margin-top: auto; padding-top: 16px; }

.admin-main {
  flex: 1;
  padding: 32px 40px;
  overflow-y: auto;
  min-height: 100vh;
}
.admin-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}
.admin-page-title { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; }

/* Admin Table */
.admin-table-wrap {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th {
  padding: 12px 16px;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  background: #f9f9f8;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
}
.admin-table td {
  padding: 14px 16px;
  font-size: 0.875rem;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: #fafaf9; }
.table-title { font-weight: 500; color: var(--color-text); }
.table-title:hover { color: var(--color-accent); }
.table-date { color: var(--color-text-secondary); white-space: nowrap; }
.table-actions { display: flex; gap: 8px; align-items: center; }
.comment-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 99px;
  min-width: 24px;
  height: 24px;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0 8px;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 4px 10px;
  font-size: 0.72rem;
  font-weight: 600;
  border-radius: 99px;
  border: none;
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: opacity var(--transition);
}
.badge:hover { opacity: 0.8; }
.badge--published { background: #dcfce7; color: #15803d; }
.badge--draft { background: #fef9c3; color: #854d0e; }

/* Admin Editor */
.editor-form { }
.editor-layout { display: grid; grid-template-columns: 1fr 280px; gap: 24px; align-items: start; }
.editor-main { display: flex; flex-direction: column; gap: 0; }
.editor-sidebar { position: sticky; top: 24px; display: flex; flex-direction: column; gap: 16px; }
.editor-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
}
.panel-title { font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-text-secondary); margin-bottom: 14px; }
.panel-actions { margin-top: 12px; }
.thumbnail-preview { border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--color-border); }
.thumbnail-img { width: 100%; max-height: 160px; object-fit: cover; }

/* Login Page */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}
.login-header { text-align: center; margin-bottom: 28px; }
.login-title { font-size: 1.8rem; font-weight: 700; letter-spacing: -0.03em; }
.login-subtitle { font-size: 0.9rem; color: var(--color-text-secondary); margin-top: 6px; }
.login-form { display: flex; flex-direction: column; gap: 0; }

/* Settings */
.settings-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 480px;
}
.settings-title { font-size: 1rem; font-weight: 700; margin-bottom: 24px; }
.settings-form { display: flex; flex-direction: column; gap: 0; }

/* ─── Responsive ─────────────────────────────────────────────────────────────  */
@media (max-width: 768px) {
  .articles-grid { grid-template-columns: 1fr; }
  .article-title { font-size: 1.6rem; }
  .editor-layout { grid-template-columns: 1fr; }
  .editor-sidebar { position: static; }
  .admin-layout { flex-direction: column; }
  .admin-sidebar { width: 100%; height: auto; position: static; flex-direction: row; flex-wrap: wrap; padding: 12px; gap: 8px; }
  .admin-sidebar > * { flex-shrink: 0; }
  .sidebar-brand { padding: 4px 8px; border-bottom: none; }
  .sidebar-nav { flex-direction: row; flex: none; padding: 0; }
  .sidebar-footer { flex-direction: row; border-top: none; padding: 0; margin: 0; }
  .admin-main { padding: 20px 16px; }
  .admin-table-wrap { overflow-x: auto; }
}