/* =====================
   Admin Login
   ===================== */
.login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: 20px;
}

.login-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 32px;
  max-width: 360px;
  width: 100%;
  text-align: center;
}

.login-card h2 {
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.login-card p {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 20px;
}

.login-card input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--gray-light);
  border-radius: var(--radius-sm);
  font-size: 1.1rem;
  text-align: center;
  outline: none;
  margin-bottom: 14px;
  letter-spacing: 4px;
}

.login-card input:focus {
  border-color: var(--blue);
}

.login-card .btn {
  width: 100%;
}

.login-error {
  color: var(--red);
  font-size: 0.85rem;
  margin-top: 10px;
}

/* =====================
   Admin Tabs
   ===================== */
.admin-tabs {
  max-width: 900px;
  margin: 0 auto;
  padding: 16px 16px 0;
  display: flex;
  gap: 4px;
  overflow-x: auto;
}

.tab {
  background: var(--gray-light);
  border: none;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  padding: 10px 18px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--text-light);
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}

.tab:hover {
  background: #dfe6e9;
}

.tab.active {
  background: var(--card-bg);
  color: var(--text);
  box-shadow: var(--shadow);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* =====================
   Admin Section Header
   ===================== */
.admin-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 10px;
}

.admin-section-header h2 {
  font-size: 1.1rem;
  font-weight: 700;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.admin-search {
  margin-bottom: 12px;
}

.admin-search input {
  width: 100%;
  padding: 10px 14px;
  border: 2px solid var(--gray-light);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  outline: none;
}

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

/* =====================
   Date Nav Mini
   ===================== */
.date-nav-mini {
  display: flex;
  align-items: center;
  gap: 10px;
}

.date-nav-mini .btn-nav {
  width: 32px;
  height: 32px;
  font-size: 0.9rem;
}

.date-nav-mini span {
  font-size: 0.9rem;
  font-weight: 600;
  min-width: 90px;
  text-align: center;
}

/* =====================
   Admin Table
   ===================== */
.admin-table {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow-x: auto;
}

.admin-table .table-row {
  min-width: 480px;
}

.table-row {
  display: flex;
  align-items: center;
  padding: 10px 16px;
  gap: 10px;
  border-bottom: 1px solid #f1f2f3;
  font-size: 0.9rem;
}

.table-row:last-child {
  border-bottom: none;
}

.table-header {
  background: var(--bg);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-light);
}

.row-inactive {
  opacity: 0.5;
}

.col-name { flex: 2; }
.col-phone { flex: 1; }
.col-status { flex: 1; }
.col-actions { flex: 1; text-align: right; }
.col-court { flex: 1; font-weight: 600; }
.col-time { flex: 1; }
.col-score { flex: 2; font-size: 0.82rem; }

.btn-icon {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  padding: 2px 6px;
  transition: transform 0.1s;
}

.btn-icon:hover {
  transform: scale(1.2);
}

.badge-active {
  background: #eafaf1;
  color: var(--green-dark);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-inactive {
  background: #fdecea;
  color: var(--red-dark);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
}

.empty-state {
  padding: 40px 20px;
  text-align: center;
  color: var(--text-light);
  font-size: 0.9rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.empty-state svg {
  opacity: 0.25;
  width: 36px;
  height: 36px;
}

/* =====================
   Logs filter bar
   ===================== */
.logs-filter-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.logs-filter-bar select,
.logs-filter-bar input {
  padding: 8px 12px;
  border: 2px solid var(--gray-light);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  outline: none;
  background: var(--card-bg);
  color: var(--text);
  flex: 1;
  min-width: 140px;
}

.logs-filter-bar select:focus,
.logs-filter-bar input:focus {
  border-color: var(--blue);
}

/* =====================
   Court Lock Cards
   ===================== */
.lock-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 20px;
  margin-bottom: 12px;
}

.lock-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.lock-card-header span {
  font-size: 1rem;
  font-weight: 700;
}

.lock-status {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* =====================
   Settings Form
   ===================== */
.settings-form {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  max-width: 400px;
}

.settings-form label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-light);
  text-transform: uppercase;
  margin-bottom: 4px;
  margin-top: 14px;
}

.settings-form label:first-child {
  margin-top: 0;
}

.settings-form input {
  width: 100%;
  padding: 10px 14px;
  border: 2px solid var(--gray-light);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  outline: none;
}

.settings-form input:focus {
  border-color: var(--blue);
}

/* =====================
   Logs columns
   ===================== */
.col-log-time { flex: 1.6; font-size: 0.82rem; color: var(--text-light); }
.col-log-event { flex: 1; }
.col-log-slot { flex: 2; font-size: 0.85rem; }

/* =====================
   Responsive
   ===================== */
@media (max-width: 600px) {
  .table-row {
    flex-wrap: wrap;
    gap: 4px;
  }
  .col-phone, .col-status {
    font-size: 0.8rem;
  }
  .col-score {
    flex-basis: 100%;
  }
}

/* =====================
   Dark Mode (Admin)
   ===================== */
@media (prefers-color-scheme: dark) {
  .login-card input,
  .admin-search input,
  .settings-form input,
  .logs-filter-bar select,
  .logs-filter-bar input {
    background: #1e2535;
    color: var(--text);
    border-color: #3a4155;
  }
  .tab { background: #2f3649; }
  .tab:hover { background: #3a4155; }
  .tab.active { background: var(--card-bg); }
}