/* ===================== Base ===================== */
:root {
  --cream: #f4f1e8;
  --ink: #1c2b22;
  --green-dark: #1f5c3f;
  --green: #2f8a5a;
  --green-soft: #eaf5ee;
  --blue: #3f6fb3;
  --red: #d64550;
  --red-soft: #fbe9ea;
  --amber: #e8a33d;
  --grey-text: #6b7a71;
  --border: #e2ded0;
  --radius-lg: 18px;
  --radius-md: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--cream);
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--ink);
}

.admin-wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 20px 60px;
}

/* ===================== Header ===================== */
.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 26px;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.header-logo {
  width: 52px;
  height: 52px;
  object-fit: contain;
  border-radius: 50%;
  background: #fff;
  padding: 5px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}

.header-title {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 24px;
}

.header-subtitle {
  margin: 2px 0 0;
  font-size: 13px;
  color: var(--grey-text);
}

/* ===================== Buttons ===================== */
.btn-outline {
  border: 1.5px solid var(--green);
  background: #fff;
  color: var(--green-dark);
  font-weight: 700;
  font-size: 13.5px;
  padding: 10px 18px;
  border-radius: 999px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  white-space: nowrap;
}

.btn-outline:hover { background: var(--green-soft); }

.btn-danger {
  border: 1.5px solid var(--red);
  background: #fff;
  color: var(--red);
  font-weight: 700;
  font-size: 13.5px;
  padding: 10px 18px;
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
}

.btn-danger:hover { background: var(--red-soft); }

.btn-primary {
  width: 100%;
  border: none;
  border-radius: 999px;
  padding: 13px;
  font-size: 14.5px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  cursor: pointer;
}

.btn-primary:hover { opacity: 0.95; }

.btn-small {
  border: none;
  background: var(--red-soft);
  color: var(--red);
  font-size: 12px;
  font-weight: 700;
  padding: 6px 10px;
  border-radius: 8px;
  cursor: pointer;
}

/* ===================== Lock screen ===================== */
.lock-overlay {
  position: fixed;
  inset: 0;
  background: var(--cream);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 50;
}

.lock-overlay.hidden { display: none; }

.lock-card {
  width: 100%;
  max-width: 340px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  text-align: center;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.lock-icon { font-size: 32px; display: block; margin-bottom: 12px; }

.lock-title {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 22px;
  margin: 0 0 6px;
}

.lock-desc {
  font-size: 13px;
  color: var(--grey-text);
  margin: 0 0 20px;
}

.lock-input {
  width: 100%;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 14px;
  margin-bottom: 14px;
  outline: none;
  text-align: center;
  letter-spacing: 0.05em;
}

.lock-input:focus { border-color: var(--green); }

.lock-card .btn-primary {
  padding: 13px;
  font-size: 14.5px;
  box-shadow: none;
}

.lock-error {
  margin: 12px 0 0;
  font-size: 12.5px;
  color: var(--red);
  font-weight: 600;
}

.lock-error.hidden { display: none; }

.admin-wrap.hidden { display: none; }

/* ===================== Sync banner ===================== */
.sync-banner {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--grey-text);
}

.sync-banner.mode-live {
  background: var(--green-soft);
  border-color: var(--green);
  color: var(--green-dark);
}

.sync-banner.mode-local {
  background: #fdf1de;
  border-color: var(--amber);
  color: #8a5e1c;
}

/* ===================== Stat cards ===================== */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin-bottom: 22px;
}

.stat-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
}

.stat-icon { font-size: 20px; }

.stat-value {
  font-size: 24px;
  font-weight: 700;
}

.stat-value.stat-green { color: var(--green); }
.stat-value.stat-red { color: var(--red); }
.stat-value.stat-blue { color: var(--blue); }

.stat-label {
  font-size: 12px;
  color: var(--grey-text);
  font-weight: 600;
}

/* ===================== Toolbar ===================== */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.search-input {
  flex: 1;
  min-width: 220px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 11px 14px;
  font-size: 14px;
  background: #fff;
  outline: none;
}

.search-input:focus { border-color: var(--green); }

.toolbar-actions {
  display: flex;
  gap: 10px;
}

/* ===================== Table ===================== */
.table-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.table-scroll {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

thead th {
  text-align: left;
  font-size: 12px;
  text-transform: none;
  letter-spacing: 0.02em;
  color: var(--grey-text);
  font-weight: 700;
  padding: 14px 16px;
  border-bottom: 1.5px solid var(--border);
  background: var(--green-soft);
}

tbody td {
  padding: 13px 16px;
  font-size: 13.5px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: #fafaf5; }

.cell-kelas {
  font-weight: 700;
}

.cell-hadir { color: var(--green); font-weight: 700; }
.cell-tidak-hadir { color: var(--red); font-weight: 700; }

.cell-catatan {
  color: var(--grey-text);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ===================== Empty state ===================== */
.empty-state {
  text-align: center;
  padding: 48px 20px;
}

.empty-state.hidden { display: none; }

.empty-icon { font-size: 36px; display: block; margin-bottom: 10px; }

.empty-title {
  margin: 0 0 4px;
  font-weight: 700;
  font-size: 15px;
}

.empty-desc {
  margin: 0;
  font-size: 13px;
  color: var(--grey-text);
}

/* ===================== Responsive ===================== */
@media (max-width: 760px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}