/* css/styles.css — Ticket App Admin Panel */

/* ============================================================
   VARIABLES
   ============================================================ */
:root {
  --color-bg: #f5f6f8;
  --color-surface: #ffffff;
  --color-surface-alt: #f0f2f5;
  --color-border: #dfe3e8;
  --color-border-light: #ebeef2;

  --color-text: #1a1d23;
  --color-text-secondary: #5f6877;
  --color-text-muted: #8c95a4;

  --color-primary: #2c5282;
  --color-primary-hover: #234173;
  --color-primary-light: #ebf1fa;

  --color-success: #1a7f4b;
  --color-success-bg: #e6f7ee;
  --color-warning: #b45309;
  --color-warning-bg: #fef3e2;
  --color-danger: #c53030;
  --color-danger-bg: #fee5e5;
  --color-info: #2c5282;
  --color-info-bg: #ebf1fa;
  --color-muted: #8c95a4;
  --color-muted-bg: #f0f2f5;

  --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 12px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.1);

  --transition: 0.15s ease;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 15px; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
  min-height: 100vh;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; display: block; }

/* ============================================================
   LOADING SCREEN
   ============================================================ */
.loading-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  color: var(--color-text-muted);
  font-size: 1rem;
}

.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-right: 10px;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   LAYOUT
   ============================================================ */
.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.topbar__brand {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: -0.02em;
}

.topbar__brand span {
  color: var(--color-primary);
}

.topbar__nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.topbar__link {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.87rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: background var(--transition), color var(--transition);
  text-decoration: none;
}

.topbar__link:hover {
  background: var(--color-surface-alt);
  color: var(--color-text);
  text-decoration: none;
}

.topbar__link--active {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.topbar__user {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.main-content {
  flex: 1;
  padding: 28px 24px;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
}

/* ============================================================
   LOGIN PAGE
   ============================================================ */
.login-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--color-bg);
  padding: 20px;
}

.login-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-lg);
}

.login-card__title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 4px;
  letter-spacing: -0.03em;
}

.login-card__subtitle {
  color: var(--color-text-secondary);
  margin-bottom: 28px;
  font-size: 0.9rem;
}

/* ============================================================
   FORMS
   ============================================================ */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 9px 12px;
  font-size: 0.93rem;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(44, 82, 130, 0.12);
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-error {
  background: var(--color-danger-bg);
  color: var(--color-danger);
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 0.87rem;
  margin-bottom: 16px;
}

.form-check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  cursor: pointer;
}

.form-check input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  font-size: 0.87rem;
  font-weight: 600;
  font-family: var(--font-sans);
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition),
    color var(--transition), box-shadow var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
}
.btn--primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
}

.btn--secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn--secondary:hover:not(:disabled) {
  background: var(--color-surface-alt);
}

.btn--danger {
  background: var(--color-danger);
  color: #fff;
}
.btn--danger:hover:not(:disabled) {
  background: #a82828;
}

.btn--success {
  background: var(--color-success);
  color: #fff;
}
.btn--success:hover:not(:disabled) {
  background: #146b3e;
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-secondary);
}
.btn--ghost:hover:not(:disabled) {
  background: var(--color-surface-alt);
  color: var(--color-text);
}

.btn--sm {
  padding: 5px 10px;
  font-size: 0.8rem;
}

.btn--lg {
  padding: 12px 24px;
  font-size: 0.95rem;
}

.btn--block {
  width: 100%;
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.card__header {
  padding: 18px 22px;
  border-bottom: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card__title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.card__body {
  padding: 22px;
}

.card__body--flush {
  padding: 0;
}

/* ============================================================
   STATS GRID
   ============================================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.stat-card__label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.stat-card__value {
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-text);
}

.stat-card__value--success { color: var(--color-success); }
.stat-card__value--primary { color: var(--color-primary); }

/* ============================================================
   TABLES
   ============================================================ */
.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  text-align: left;
  padding: 10px 16px;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface-alt);
}

tbody td {
  padding: 12px 16px;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--color-border-light);
  vertical-align: middle;
}

tbody tr {
  transition: background var(--transition);
}

tbody tr:hover {
  background: var(--color-surface-alt);
}

tbody tr.clickable {
  cursor: pointer;
}

/* ============================================================
   BADGES
   ============================================================ */
.badge {
  display: inline-block;
  padding: 2px 9px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 20px;
  white-space: nowrap;
}

.badge--success { background: var(--color-success-bg); color: var(--color-success); }
.badge--warning { background: var(--color-warning-bg); color: var(--color-warning); }
.badge--danger  { background: var(--color-danger-bg); color: var(--color-danger); }
.badge--info    { background: var(--color-info-bg); color: var(--color-info); }
.badge--muted   { background: var(--color-muted-bg); color: var(--color-muted); }

/* ============================================================
   PAGE HEADER
   ============================================================ */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.page-header__title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.page-header__sub {
  color: var(--color-text-secondary);
  font-size: 0.88rem;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 14px;
}

.breadcrumb a {
  color: var(--color-primary);
}

.breadcrumb__sep {
  margin: 0 2px;
}

/* ============================================================
   MODAL
   ============================================================ */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.modal__header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal__title {
  font-size: 1.1rem;
  font-weight: 700;
}

.modal__body {
  padding: 24px;
}

.modal__footer {
  padding: 16px 24px;
  border-top: 1px solid var(--color-border-light);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* ============================================================
   EVENTS LIST
   ============================================================ */
.event-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.event-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  cursor: pointer;
  transition: box-shadow var(--transition), border-color var(--transition);
}

.event-card:hover {
  box-shadow: var(--shadow);
  border-color: var(--color-primary);
}

.event-card__name {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.event-card__venue {
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  margin-bottom: 10px;
}

.event-card__date {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.event-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.event-card__seats {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
}

/* ============================================================
   FILTER TABS
   ============================================================ */
.filter-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.filter-tab {
  padding: 6px 14px;
  font-size: 0.82rem;
  font-weight: 600;
  font-family: var(--font-sans);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}

.filter-tab:hover {
  background: var(--color-surface-alt);
}

.filter-tab--active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* ============================================================
   TICKET TYPE LIST
   ============================================================ */
.type-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.type-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--color-surface-alt);
  border-radius: var(--radius);
  gap: 12px;
  flex-wrap: wrap;
}

.type-item__info {
  flex: 1;
  min-width: 150px;
}

.type-item__name {
  font-weight: 600;
  font-size: 0.92rem;
}

.type-item__meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.type-item__actions {
  display: flex;
  gap: 6px;
  align-items: center;
}

/* ============================================================
   QR SCANNER
   ============================================================ */
.scanner-container {
  max-width: 500px;
  margin: 0 auto;
}

#qr-reader {
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 16px;
}

#qr-reader video {
  border-radius: var(--radius);
}

.scan-result {
  padding: 24px;
  border-radius: var(--radius-lg);
  text-align: center;
  margin-top: 16px;
  animation: slideUp 0.2s ease;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.scan-result--ok {
  background: var(--color-success-bg);
  border: 2px solid var(--color-success);
  color: var(--color-success);
}

.scan-result--warn {
  background: var(--color-warning-bg);
  border: 2px solid var(--color-warning);
  color: var(--color-warning);
}

.scan-result--error {
  background: var(--color-danger-bg);
  border: 2px solid var(--color-danger);
  color: var(--color-danger);
}

.scan-result__icon {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 8px;
}

.scan-result__message {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.scan-result__detail {
  font-size: 0.9rem;
  font-weight: 400;
  opacity: 0.85;
}

.scan-stats {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 20px;
}

.scan-stats__item {
  text-align: center;
}

.scan-stats__value {
  font-size: 1.6rem;
  font-weight: 700;
}

.scan-stats__label {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ============================================================
   DETAIL SECTIONS
   ============================================================ */
.detail-grid {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 8px 16px;
  font-size: 0.9rem;
}

.detail-grid dt {
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.detail-grid dd {
  color: var(--color-text);
}

/* ============================================================
   NOTIFICATION TOAST
   ============================================================ */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 20px;
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-weight: 500;
  z-index: 999;
  box-shadow: var(--shadow-lg);
  max-width: 400px;
  animation: slideUp 0.2s ease;
}

.toast--success { background: var(--color-success); color: #fff; }
.toast--error   { background: var(--color-danger); color: #fff; }
.toast--info    { background: var(--color-primary); color: #fff; }

/* ============================================================
   UTILITY
   ============================================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--color-text-muted); }
.text-mono { font-family: var(--font-mono); font-size: 0.82rem; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.gap-2 { gap: 8px; }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }

.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--color-text-muted);
}

.empty-state__icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
  opacity: 0.5;
}

.empty-state__text {
  font-size: 0.95rem;
}

[x-cloak] { display: none !important; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .main-content { padding: 16px; }
  .topbar { padding: 0 14px; }
  .topbar__nav { gap: 0; }
  .topbar__link { padding: 6px 8px; font-size: 0.8rem; }
  .form-row { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .event-grid { grid-template-columns: 1fr; }
  .page-header { flex-direction: column; align-items: flex-start; }
  .detail-grid { grid-template-columns: 1fr; }

  .topbar__user-email { display: none; }
}