:root {
  --ink: #16181d;
  --paper: #f6f5f3;
  --panel: #ffffff;
  --line: #e4e1db;
  --muted: #6b6f76;
  --accent: #b8542f;
  --accent-ink: #ffffff;
  --good: #2f7a4d;
  --bad: #b3261e;
  --radius: 8px;
  font-family: 'Iowan Old Style', 'Palatino Linotype', Georgia, serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  font-size: 14px;
}

.hidden { display: none !important; }

/* ---- Login ---- */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ink);
}
.login-card {
  background: var(--panel);
  padding: 40px 36px;
  border-radius: var(--radius);
  width: 320px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.login-title {
  margin: 0 0 4px;
  font-size: 22px;
  letter-spacing: -0.02em;
}
.login-sub {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 13px;
}
.login-card label {
  display: block;
  margin-bottom: 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
}
.login-card input {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
}
.login-card button {
  width: 100%;
  margin-top: 8px;
}
.error-text {
  color: var(--bad);
  font-size: 13px;
  margin: 10px 0 0;
  min-height: 16px;
}

/* ---- App shell ---- */
.app {
  display: flex;
  min-height: 100vh;
}
.sidebar {
  width: 220px;
  background: var(--ink);
  color: #e9e7e2;
  display: flex;
  flex-direction: column;
  padding: 20px 0;
  flex-shrink: 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 20px 20px;
  font-weight: 700;
  font-size: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 10px;
}
.brand-mark { color: var(--accent); }
.nav-item {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: #b7b5b0;
  padding: 11px 20px;
  font-size: 14px;
  cursor: pointer;
  font-family: inherit;
}
.nav-item:hover { color: #fff; background: rgba(255,255,255,0.05); }
.nav-item.active {
  color: #fff;
  background: rgba(255,255,255,0.08);
  border-right: 3px solid var(--accent);
}
.sidebar-footer {
  margin-top: auto;
  padding: 16px 20px 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 12px;
  color: #87857f;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.link-btn {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: 12px;
  padding: 0;
  font-family: inherit;
}

.content {
  flex: 1;
  padding: 36px 44px;
  max-width: 1100px;
}
.view-header { margin-bottom: 28px; }
.view-header h2 { margin: 0 0 4px; font-size: 24px; letter-spacing: -0.01em; }
.muted { color: var(--muted); margin: 0; font-size: 13px; }

/* ---- Stat cards ---- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 32px;
}
.stat-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
}
.stat-value { font-size: 28px; font-weight: 700; letter-spacing: -0.02em; }
.stat-label { color: var(--muted); font-size: 12px; margin-top: 2px; }

.section-title {
  font-size: 15px;
  margin: 28px 0 12px;
  color: var(--ink);
}

/* ---- Forms / cards ---- */
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 28px;
}
.form-card .form-row {
  display: flex;
  gap: 16px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.form-card label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  flex: 1;
  min-width: 160px;
}
.form-card input, .form-card select {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
  background: #fff;
}
.form-card select[multiple] { min-height: 90px; }
.status-text {
  margin-left: 12px;
  font-size: 12px;
  color: var(--muted);
}
.status-text.success { color: var(--good); }
.status-text.error { color: var(--bad); }

button {
  background: var(--ink);
  color: #fff;
  border: none;
  padding: 9px 18px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}
button:hover { opacity: 0.88; }
button.danger { background: var(--bad); }
button.secondary { background: #fff; color: var(--ink); border: 1px solid var(--line); }

/* ---- Tables ---- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.data-table th, .data-table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}
.data-table th {
  background: #f0eee9;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  font-weight: 600;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table .empty-row td {
  color: var(--muted);
  font-style: italic;
  text-align: center;
  padding: 22px;
}

.pill {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 600;
}
.pill.on { background: #e3f0e6; color: var(--good); }
.pill.off { background: #f1e3e1; color: var(--bad); }

/* ---- Ad cards ---- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
.ad-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.ad-card .thumb {
  height: 120px;
  background: #1b1b1b;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ad-card .thumb img, .ad-card .thumb video {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.ad-card .meta { padding: 12px 14px; }
.ad-card .meta h4 { margin: 0 0 4px; font-size: 13px; }
.ad-card .meta p { margin: 0; font-size: 11px; color: var(--muted); }
.ad-card .meta .actions { margin-top: 10px; display: flex; gap: 8px; }
.ad-card .meta .actions button { padding: 5px 10px; font-size: 11px; }

.icon-btn {
  background: none;
  border: none;
  color: var(--bad);
  cursor: pointer;
  font-size: 12px;
  padding: 4px 8px;
}