/* ===== CSS Variables ===== */
:root {
  --primary: #4F46E5;
  --primary-light: #EEF2FF;
  --primary-dark: #3730A3;
  --success: #059669;
  --success-light: #ECFDF5;
  --warning: #D97706;
  --warning-light: #FFFBEB;
  --danger: #DC2626;
  --danger-light: #FEF2F2;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);
  --nav-h: 60px;
  --bottom-h: 64px;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--gray-50);
  color: var(--gray-800);
  line-height: 1.5;
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; outline: none; font-family: inherit; }
input, textarea, select { font-family: inherit; outline: none; }
ul { list-style: none; }
img { max-width: 100%; }

/* ===== Layout ===== */
#app { min-height: 100vh; }

.page {
  padding-bottom: calc(var(--bottom-h) + 16px);
}

/* Top Nav */
.top-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 12px;
}
.top-nav .nav-title {
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  color: var(--gray-900);
}
.top-nav .nav-back {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--gray-100);
  font-size: 18px;
  flex-shrink: 0;
}
.top-nav .nav-action {
  font-size: 14px;
  color: var(--primary);
  font-weight: 500;
  white-space: nowrap;
}

/* Bottom Nav */
.bottom-nav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: var(--bottom-h);
  background: #fff;
  border-top: 1px solid var(--gray-200);
  display: flex;
  z-index: 100;
  padding-bottom: env(safe-area-inset-bottom);
}
.bottom-nav .nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  font-size: 11px;
  color: var(--gray-400);
  background: none;
  transition: color .2s;
  padding: 8px 0;
}
.bottom-nav .nav-item.active { color: var(--primary); }
.bottom-nav .nav-item .nav-icon { font-size: 22px; line-height: 1; }

/* ===== Cards ===== */
.card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.card-header {
  padding: 16px;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-header h3 { font-size: 15px; font-weight: 600; }
.card-body { padding: 16px; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  transition: all .15s;
  white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:active { background: var(--primary-dark); }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--gray-300);
  color: var(--gray-700);
}
.btn-outline:active { background: var(--gray-100); }
.btn-ghost { background: transparent; color: var(--primary); }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-lg { padding: 14px 24px; font-size: 16px; font-weight: 600; }
.btn-block { width: 100%; }
.btn-icon { padding: 8px; border-radius: 50%; }

/* FAB */
.fab {
  position: fixed;
  bottom: calc(var(--bottom-h) + 16px);
  right: 16px;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 24px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 90;
}

/* ===== Forms ===== */
.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-600);
  margin-bottom: 6px;
}
.form-control {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 15px;
  color: var(--gray-800);
  background: #fff;
  transition: border-color .15s;
}
.form-control:focus { border-color: var(--primary); }
.form-control::placeholder { color: var(--gray-400); }
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 32px; }

/* ===== Badges ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 99px;
  font-size: 12px;
  font-weight: 500;
}
.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-success { background: var(--success-light); color: var(--success); }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-danger { background: var(--danger-light); color: var(--danger); }
.badge-gray { background: var(--gray-100); color: var(--gray-600); }

/* ===== Avatar ===== */
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: #fff;
  font-weight: 600;
  flex-shrink: 0;
}
.avatar-sm { width: 32px; height: 32px; font-size: 13px; }
.avatar-md { width: 40px; height: 40px; font-size: 15px; }
.avatar-lg { width: 56px; height: 56px; font-size: 20px; }
.avatar-xl { width: 72px; height: 72px; font-size: 26px; }

/* ===== List Items ===== */
.list-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--gray-100);
  background: #fff;
}
.list-item:last-child { border-bottom: none; }
.list-item-content { flex: 1; min-width: 0; }
.list-item-title { font-size: 15px; font-weight: 500; color: var(--gray-800); }
.list-item-sub { font-size: 13px; color: var(--gray-500); margin-top: 2px; }
.list-item-right { display: flex; align-items: center; gap: 8px; }

/* ===== Modal ===== */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 200;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0;
}
.modal-overlay.center { align-items: center; padding: 20px; }
.modal {
  background: #fff;
  border-radius: var(--radius) var(--radius) 0 0;
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 20px 16px;
  padding-bottom: calc(20px + env(safe-area-inset-bottom));
}
.modal-overlay.center .modal {
  border-radius: var(--radius);
  padding-bottom: 20px;
}
.modal-title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-close {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--gray-100);
  font-size: 16px;
  color: var(--gray-500);
  background: none;
}

/* ===== Section ===== */
.section { padding: 16px; }
.section + .section { padding-top: 0; }
.section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 10px;
}

/* ===== Empty State ===== */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--gray-400);
}
.empty-state .empty-icon { font-size: 48px; margin-bottom: 12px; }
.empty-state p { font-size: 15px; }
.empty-state .empty-sub { font-size: 13px; margin-top: 4px; }

/* ===== Toast ===== */
.toast {
  position: fixed;
  bottom: calc(var(--bottom-h) + 24px);
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--gray-800);
  color: #fff;
  padding: 10px 20px;
  border-radius: 99px;
  font-size: 14px;
  white-space: nowrap;
  opacity: 0;
  transition: all .25s;
  z-index: 300;
  pointer-events: none;
  box-shadow: var(--shadow-md);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.toast-success { background: var(--success); }
.toast.toast-error { background: var(--danger); }
.toast.toast-warning { background: var(--warning); }

/* ===== Score Chip ===== */
.score-chip {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 13px;
  font-weight: 600;
}
.score-positive { background: var(--success-light); color: var(--success); }
.score-negative { background: var(--danger-light); color: var(--danger); }
.score-neutral { background: var(--gray-100); color: var(--gray-600); }

/* ===== Stats Grid ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  padding: 16px;
}
.stat-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}
.stat-value { font-size: 28px; font-weight: 700; color: var(--gray-900); }
.stat-label { font-size: 12px; color: var(--gray-500); margin-top: 2px; }

/* ===== Tag Buttons ===== */
.tag-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.tag-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 12px 8px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  border: 1.5px solid transparent;
  background: var(--gray-50);
  transition: all .15s;
}
.tag-btn.positive {
  border-color: var(--success-light);
  background: var(--success-light);
  color: var(--success);
}
.tag-btn.negative {
  border-color: var(--danger-light);
  background: var(--danger-light);
  color: var(--danger);
}
.tag-btn .tag-icon { font-size: 20px; }
.tag-btn .tag-pts { font-size: 11px; font-weight: 600; }

/* ===== Search Bar ===== */
.search-bar {
  position: relative;
  padding: 12px 16px;
  background: #fff;
  border-bottom: 1px solid var(--gray-100);
}
.search-bar input {
  width: 100%;
  padding: 9px 12px 9px 36px;
  border: 1.5px solid var(--gray-200);
  border-radius: 99px;
  font-size: 14px;
  background: var(--gray-50);
}
.search-bar::before {
  content: '🔍';
  position: absolute;
  left: 28px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
}

/* ===== Attendance Dot ===== */
.att-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 500;
  border: 2px solid transparent;
  background: var(--gray-50);
  min-width: 52px;
  transition: all .15s;
}
.att-btn.present { background: var(--success-light); border-color: var(--success); color: var(--success); }
.att-btn.late { background: var(--warning-light); border-color: var(--warning); color: var(--warning); }
.att-btn.absent { background: var(--danger-light); border-color: var(--danger); color: var(--danger); }
.att-btn.leave { background: var(--primary-light); border-color: var(--primary); color: var(--primary); }

/* ===== Progress Bar ===== */
.progress { height: 8px; background: var(--gray-100); border-radius: 99px; overflow: hidden; }
.progress-bar { height: 100%; border-radius: 99px; transition: width .4s; }

/* ===== PC Sidebar Layout ===== */
@media (min-width: 768px) {
  .bottom-nav { display: none; }
  .page { padding-bottom: 24px; }
  .fab { bottom: 24px; }
  .toast { bottom: 24px; }

  .pc-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    min-height: 100vh;
  }
  .sidebar {
    background: #fff;
    border-right: 1px solid var(--gray-200);
    padding: 0;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
  }
  .sidebar-logo {
    padding: 20px 20px 16px;
    border-bottom: 1px solid var(--gray-100);
    display: flex; align-items: center; gap: 10px;
  }
  .sidebar-logo .logo-icon { font-size: 28px; }
  .sidebar-logo .logo-text { font-size: 16px; font-weight: 700; color: var(--gray-900); }
  .sidebar-nav { padding: 12px 0; }
  .sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-600);
    border-radius: 0;
    transition: all .15s;
    border-left: 3px solid transparent;
  }
  .sidebar-nav a:hover { background: var(--gray-50); color: var(--gray-800); }
  .sidebar-nav a.active {
    background: var(--primary-light);
    color: var(--primary);
    border-left-color: var(--primary);
  }
  .sidebar-nav .nav-icon { font-size: 18px; }
  .main-content { padding: 24px; max-width: 960px; }
  .top-nav { display: none; }
  .pc-page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
  }
  .pc-page-header h1 { font-size: 22px; font-weight: 700; }
  .modal-overlay { align-items: center; padding: 20px; }
  .modal { border-radius: var(--radius); padding-bottom: 20px; max-width: 480px; }
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
  .tag-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ===== Login Page ===== */
.login-page {
  min-height: 100vh;
  min-height: -webkit-fill-available;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 32px 20px 40px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
@media (min-height: 600px) {
  .login-page { justify-content: center; }
}
.login-card {
  background: #fff;
  border-radius: 20px;
  padding: 28px 20px;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-lg);
}
@media (min-width: 480px) {
  .login-card { padding: 32px 28px; }
}
.login-logo { text-align: center; margin-bottom: 28px; }
.login-logo .logo-emoji { font-size: 48px; }
.login-logo h1 { font-size: 22px; font-weight: 700; margin-top: 8px; color: var(--gray-900); }
.login-logo p { font-size: 14px; color: var(--gray-500); margin-top: 4px; }
.login-tabs {
  display: flex;
  background: var(--gray-100);
  border-radius: var(--radius-sm);
  padding: 3px;
  margin-bottom: 20px;
}
.login-tabs button {
  flex: 1;
  padding: 8px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  background: transparent;
  color: var(--gray-500);
  transition: all .2s;
}
.login-tabs button.active {
  background: #fff;
  color: var(--primary);
  box-shadow: var(--shadow);
}

/* ===== Attendance Grid ===== */
.student-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  padding: 16px;
}
.student-att-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 10px 6px;
  border-radius: var(--radius-sm);
  background: var(--gray-50);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all .15s;
  text-align: center;
}
.student-att-item.present { background: var(--success-light); border-color: var(--success); }
.student-att-item.late { background: var(--warning-light); border-color: var(--warning); }
.student-att-item.absent { background: var(--danger-light); border-color: var(--danger); }
.student-att-item.leave { background: var(--primary-light); border-color: var(--primary); }
.student-att-item .s-name { font-size: 12px; font-weight: 500; color: var(--gray-700); }
.student-att-item .s-status { font-size: 10px; color: var(--gray-500); }

/* ===== Score Page Student Grid ===== */
.score-student-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 16px;
}
.score-student-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 6px;
  border-radius: var(--radius-sm);
  background: #fff;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: all .15s;
  text-align: center;
  border: 2px solid transparent;
}
.score-student-item:active { transform: scale(.96); }
.score-student-item .s-name { font-size: 12px; font-weight: 500; }
.score-student-item .s-score { font-size: 18px; font-weight: 700; }

/* ===== Membership ===== */
.member-banner {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: var(--radius);
  padding: 20px;
  color: #fff;
  margin: 16px;
}
.member-banner h2 { font-size: 18px; font-weight: 700; }
.member-banner p { font-size: 13px; opacity: .85; margin-top: 4px; }
.plan-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; padding: 0 16px; }
.plan-card {
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 16px;
  cursor: pointer;
  transition: all .2s;
  text-align: center;
  background: #fff;
}
.plan-card.selected { border-color: var(--primary); background: var(--primary-light); }
.plan-card .plan-price { font-size: 26px; font-weight: 700; color: var(--primary); }
.plan-card .plan-unit { font-size: 13px; color: var(--gray-500); }
.plan-card .plan-name { font-size: 14px; font-weight: 600; margin-top: 6px; }
.plan-card .plan-save { font-size: 11px; color: var(--success); margin-top: 2px; }

/* ===== Schedule ===== */
.schedule-grid {
  overflow-x: auto;
  padding: 16px;
}
.schedule-table {
  border-collapse: collapse;
  min-width: 100%;
  font-size: 13px;
}
.schedule-table th {
  background: var(--gray-50);
  padding: 8px;
  text-align: center;
  color: var(--gray-600);
  font-weight: 600;
  border: 1px solid var(--gray-200);
}
.schedule-table td {
  border: 1px solid var(--gray-200);
  padding: 6px;
  text-align: center;
  min-width: 80px;
  cursor: pointer;
}
.schedule-cell {
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 6px;
  padding: 4px 6px;
  font-size: 12px;
  font-weight: 500;
}

/* ===== Misc ===== */
.divider { height: 8px; background: var(--gray-100); }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--gray-500); font-size: 13px; }
.fw-600 { font-weight: 600; }
.mt-8 { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.w-full { width: 100%; }
.hidden { display: none !important; }

/* Scroll */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 99px; }

/* ===== Admin Page ===== */
.admin-page { padding-bottom: 40px; }

/* Tabs */
.admin-tabs {
  display: flex;
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  padding: 0 16px;
  gap: 0;
}
.admin-tab-btn {
  flex: 1;
  padding: 12px 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-500);
  background: none;
  border: none;
  border-bottom: 2.5px solid transparent;
  cursor: pointer;
  transition: all .15s;
}
.admin-tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* Stats */
.admin-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 14px 16px;
}
.admin-stat-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 14px 10px;
  text-align: center;
  box-shadow: var(--shadow);
}
.admin-stat-card .stat-num {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
}
.admin-stat-card .stat-label {
  font-size: 11px;
  color: var(--gray-500);
  margin-top: 4px;
}

/* Search */
.admin-search {
  padding: 4px 16px 8px;
  position: relative;
}
.admin-search input {
  width: 100%;
  padding: 10px 12px 10px 36px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 14px;
  background: #fff;
  color: var(--gray-800);
}
.admin-search input:focus { border-color: var(--primary); outline: none; }
.admin-search .search-icon {
  position: absolute;
  left: 28px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  pointer-events: none;
  font-size: 14px;
}

/* Filter */
.admin-filter {
  display: flex;
  gap: 8px;
  padding: 0 16px 12px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.admin-filter::-webkit-scrollbar { display: none; }
.filter-btn {
  padding: 6px 14px;
  border-radius: 99px;
  font-size: 13px;
  border: 1.5px solid var(--gray-200);
  background: #fff;
  color: var(--gray-600);
  white-space: nowrap;
  flex-shrink: 0;
  transition: all .15s;
}
.filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* User List */
.admin-user-list { padding: 0 16px 16px; }

/* User Card (expandable) */
.admin-user-card {
  background: #fff;
  border-radius: var(--radius);
  margin-bottom: 10px;
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: box-shadow .15s;
}
.admin-user-card.disabled { opacity: .75; }
.admin-user-card:hover { box-shadow: var(--shadow-md); }

.auc-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}
.auc-info { flex: 1; min-width: 0; }
.auc-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-900);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
}
.auc-meta {
  font-size: 12px;
  color: var(--gray-500);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.auc-arrow {
  font-size: 18px;
  color: var(--gray-400);
  transition: transform .2s;
  flex-shrink: 0;
}
.auc-arrow.open { transform: rotate(180deg); }

.auc-detail {
  border-top: 1px solid var(--gray-100);
  padding: 14px 16px;
  background: var(--gray-50);
}
.auc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.auc-section-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 8px;
}
.auc-hint {
  font-size: 11px;
  color: var(--primary);
  margin-top: 6px;
}

/* Perm Grid */
.perm-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.perm-tag {
  padding: 4px 10px;
  border-radius: 99px;
  font-size: 12px;
  font-weight: 500;
}
.perm-tag.on  { background: var(--primary-light); color: var(--primary); }
.perm-tag.off { background: var(--gray-100);      color: var(--gray-400); }

/* Recent Payments in card */
.payment-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  padding: 4px 0;
  border-bottom: 1px solid var(--gray-100);
}
.payment-row:last-child { border-bottom: none; }
.payment-plan { flex: 1; color: var(--gray-700); }
.payment-amount { font-weight: 600; color: var(--success); }
.payment-date { color: var(--gray-400); flex-shrink: 0; }

/* Payment List (tab) */
.payment-list { padding: 0 16px 16px; }
.payment-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 10px;
  box-shadow: var(--shadow);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 500;
}
.badge-success { background: var(--success-light); color: var(--success); }
.badge-danger  { background: var(--danger-light);  color: var(--danger);  }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-gray    { background: var(--gray-100);      color: var(--gray-600); }

/* Plan Grid (membership modal) */
.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 4px;
}
.plan-item {
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 10px 6px;
  text-align: center;
  cursor: pointer;
  transition: all .15s;
}
.plan-item:hover { border-color: var(--primary); }
.plan-item.selected {
  border-color: var(--primary);
  background: var(--primary-light);
}
.plan-label { font-size: 13px; font-weight: 600; color: var(--gray-800); }
.plan-price { font-size: 12px; color: var(--success); margin-top: 3px; font-weight: 500; }

/* Info Banner */
.info-banner {
  background: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 13px;
  margin-bottom: 14px;
}

/* Perm Checkbox */
.perm-check-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-100);
  cursor: pointer;
  font-size: 14px;
  color: var(--gray-800);
}
.perm-check-item:last-child { border-bottom: none; }
.perm-check-item input[type="checkbox"] {
  width: 18px; height: 18px;
  accent-color: var(--primary);
  flex-shrink: 0;
}