:root {
  --primary-color: #f97316;
  --primary-dark: #c2410c;
  --primary-soft: #fff3e8;
  --secondary-color: #111827;
  --accent-color: #fbbf24;
  --background-color: #f8fafc;
  --surface-color: #ffffff;
  --surface-muted: #f1f5f9;
  --text-primary: #111827;
  --text-secondary: #64748b;
  --text-inverse: #ffffff;
  --success-color: #16a34a;
  --warning-color: #d97706;
  --danger-color: #dc2626;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 2px rgba(17, 24, 39, .06);
  --shadow-md: 0 12px 30px rgba(17, 24, 39, .1);
  --shadow-lg: 0 22px 60px rgba(17, 24, 39, .16);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --container: 1180px;
  --transition: 180ms ease;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  color: var(--text-primary);
  background: var(--background-color);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }

.container {
  width: min(var(--container), calc(100% - 32px));
  margin-inline: auto;
}

.page-shell { min-height: 100vh; }

.navbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, .92);
  border-bottom: 1px solid rgba(226, 232, 240, .88);
  backdrop-filter: blur(18px);
}

.navbar-container {
  width: min(var(--container), calc(100% - 32px));
  min-height: 76px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
  color: var(--secondary-color);
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  color: var(--text-inverse);
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  box-shadow: 0 10px 24px rgba(249, 115, 22, .28);
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  background: var(--surface-color);
}

.navbar-link {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 700;
  transition: color var(--transition), background var(--transition);
}

.navbar-link:hover,
.navbar-link.active {
  color: var(--text-primary);
  background: var(--primary-soft);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mobile-menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--surface-color);
  color: var(--text-primary);
}

.mobile-menu {
  display: none;
  border-bottom: 1px solid var(--border-color);
  background: var(--surface-color);
}

.mobile-menu.open { display: block; }

.mobile-menu-nav {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
  padding: 14px 0 22px;
  display: grid;
  gap: 8px;
}

.mobile-menu-link {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-weight: 700;
}

.mobile-menu-link:hover { background: var(--primary-soft); color: var(--text-primary); }

.btn {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 10px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 800;
  color: var(--text-primary);
  background: var(--surface-color);
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  color: var(--text-inverse);
  background: var(--primary-color);
  box-shadow: 0 12px 24px rgba(249, 115, 22, .24);
}

.btn-primary:hover { background: var(--primary-dark); }

.btn-secondary {
  color: var(--text-inverse);
  background: var(--secondary-color);
}

.btn-outline {
  border-color: var(--border-color);
  background: rgba(255,255,255,.72);
}

.btn-ghost { background: transparent; color: var(--text-secondary); }
.btn-lg { min-height: 52px; padding: 14px 20px; }
.btn-block { width: 100%; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 650px;
  display: grid;
  align-items: center;
  color: var(--text-inverse);
  background:
    linear-gradient(90deg, rgba(17, 24, 39, .92), rgba(17, 24, 39, .6), rgba(17, 24, 39, .28)),
    url("https://images.unsplash.com/photo-1511795409834-ef04bbd61622?auto=format&fit=crop&w=1800&q=85") center/cover;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 150px;
  background: linear-gradient(180deg, transparent, var(--background-color));
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(760px, calc(100% - 32px));
  margin-left: max(16px, calc((100vw - var(--container)) / 2));
  padding: 104px 0 130px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(42px, 7vw, 82px);
  line-height: .98;
  letter-spacing: 0;
}

.hero p {
  width: min(620px, 100%);
  margin: 22px 0 0;
  color: rgba(255,255,255,.82);
  font-size: clamp(17px, 2vw, 22px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.search-panel {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 12px;
  padding: 12px;
  margin-top: 30px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,.14);
  backdrop-filter: blur(18px);
}

.search-panel.light {
  margin: 0;
  border-color: var(--border-color);
  background: var(--surface-color);
  box-shadow: var(--shadow-sm);
}

.search-field,
.select-field {
  min-height: 48px;
  width: 100%;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0 14px;
  color: var(--text-primary);
  background: var(--surface-color);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.search-field:focus,
.select-field:focus,
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(249, 115, 22, .14);
}

.section {
  padding: 82px 0;
}

.section.compact { padding: 48px 0; }

.section-header {
  width: min(720px, 100%);
  margin-bottom: 28px;
}

.section-header.center { margin-inline: auto; text-align: center; }

.section-header h2,
.page-title {
  margin: 0;
  color: var(--text-primary);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
}

.section-header p,
.page-subtitle {
  margin: 12px 0 0;
  color: var(--text-secondary);
  font-size: 17px;
}

.grid {
  display: grid;
  gap: 20px;
}

.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--surface-color);
  box-shadow: var(--shadow-sm);
}

.event-card {
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.event-card:hover {
  transform: translateY(-4px);
  border-color: rgba(249, 115, 22, .42);
  box-shadow: var(--shadow-lg);
}

.event-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--surface-muted);
}

.event-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms ease;
}

.event-card:hover .event-media img { transform: scale(1.04); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 28px;
  padding: 5px 10px;
  border-radius: 999px;
  color: var(--primary-dark);
  background: var(--primary-soft);
  font-size: 12px;
  font-weight: 900;
}

.badge.success { color: var(--success-color); background: #eaf8ef; }
.badge.warning { color: var(--warning-color); background: #fff7e6; }
.badge.dark { color: var(--text-inverse); background: var(--secondary-color); }

.event-status {
  position: absolute;
  top: 14px;
  left: 14px;
}

.event-body { padding: 20px; }
.event-body h3 { margin: 0; font-size: 21px; line-height: 1.2; }
.event-body p { margin: 10px 0 0; color: var(--text-secondary); }

.meta-list {
  display: grid;
  gap: 9px;
  margin: 16px 0;
  color: var(--text-secondary);
  font-size: 14px;
}

.meta-list span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.stat-card,
.widget,
.auth-card,
.ticket,
.table-wrap,
.modal-content {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--surface-color);
  box-shadow: var(--shadow-sm);
}

.stat-card {
  padding: 22px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.stat-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  color: var(--text-inverse);
  background: var(--secondary-color);
}

.stat-value {
  margin: 0;
  font-size: 28px;
  font-weight: 900;
}

.stat-label { margin: 2px 0 0; color: var(--text-secondary); }

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.form-group { display: grid; gap: 7px; }

.form-group.full { grid-column: 1 / -1; }

.form-label {
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 800;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 13px 14px;
  color: var(--text-primary);
  background: var(--surface-color);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-textarea { min-height: 120px; resize: vertical; }
.form-hint { color: var(--text-secondary); font-size: 13px; }
.form-error { display: none; color: var(--danger-color); font-size: 13px; }
.form-input:invalid:not(:placeholder-shown) + .form-error { display: block; }

.auth-layout {
  min-height: calc(100vh - 76px);
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  background: var(--surface-color);
}

.auth-art {
  display: grid;
  align-items: end;
  padding: 48px;
  color: var(--text-inverse);
  background:
    linear-gradient(180deg, rgba(17,24,39,.22), rgba(17,24,39,.88)),
    url("https://images.unsplash.com/photo-1540575467063-178a50c2df87?auto=format&fit=crop&w=1200&q=85") center/cover;
}

.auth-panel {
  display: grid;
  place-items: center;
  padding: 48px 24px;
  background: var(--background-color);
}

.auth-card {
  width: min(460px, 100%);
  padding: 30px;
}

.dashboard-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 24px;
  padding: 32px 0 64px;
}

.sidebar {
  position: sticky;
  top: 100px;
  align-self: start;
  padding: 14px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-weight: 800;
}

.sidebar-link.active,
.sidebar-link:hover { color: var(--text-primary); background: var(--primary-soft); }

.widget { padding: 22px; }
.widget h3 { margin: 0 0 14px; }

.activity-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.activity-list li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.activity-list li:last-child { border-bottom: 0; padding-bottom: 0; }

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

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

th, td {
  padding: 15px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

th {
  color: var(--text-secondary);
  background: var(--surface-muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .08em;
}

tr:last-child td { border-bottom: 0; }

.ticket {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 170px;
  min-height: 220px;
}

.ticket::before,
.ticket::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--background-color);
  transform: translateY(-50%);
}

.ticket::before { left: -14px; }
.ticket::after { right: -14px; }

.ticket-main { padding: 24px; }
.ticket-main h3 { margin: 8px 0 18px; font-size: 26px; }

.ticket-qr {
  display: grid;
  place-items: center;
  border-left: 1px dashed var(--border-color);
  background: var(--primary-soft);
}

.qr-box {
  width: 104px;
  height: 104px;
  border: 10px solid var(--surface-color);
  background:
    linear-gradient(90deg, var(--secondary-color) 12px, transparent 12px) 0 0/24px 24px,
    linear-gradient(var(--secondary-color) 12px, transparent 12px) 0 0/24px 24px,
    var(--surface-color);
  box-shadow: var(--shadow-sm);
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: none;
  place-items: center;
  padding: 20px;
  background: rgba(17,24,39,.58);
}

.modal.open { display: grid; }
.toast {
  display: none;
}

#toast.show {
  display: inline-flex !important;
  align-items: center;
  gap: 8px;
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 80;
  color: var(--text-inverse);
  background: var(--secondary-color);
  box-shadow: var(--shadow-lg);
}
.modal-content { width: min(560px, 100%); overflow: hidden; }
.modal-header,
.modal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border-color);
}
.modal-footer { border-top: 1px solid var(--border-color); border-bottom: 0; justify-content: flex-end; }
.modal-body { padding: 22px; }
.modal-title { margin: 0; }

.footer {
  padding: 52px 0 28px;
  color: rgba(255,255,255,.74);
  background: var(--secondary-color);
}

.flash-wrap {
  padding-top: 16px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr repeat(3, 1fr);
  gap: 28px;
}

.footer h4 { margin: 0 0 12px; color: var(--text-inverse); }
.footer .navbar-brand { color: var(--text-inverse); }
.footer a:hover { color: var(--text-inverse); }
.footer-list { display: grid; gap: 9px; margin: 0; padding: 0; list-style: none; }
.footer-bottom { margin-top: 34px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12); }

.fade-in {
  animation: fadeInUp 460ms ease both;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 980px) {
  .navbar-nav, .navbar-actions .desktop-only { display: none; }
  .mobile-menu-toggle { display: inline-grid; place-items: center; }
  .search-panel { grid-template-columns: 1fr; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dashboard-layout, .auth-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .auth-art { min-height: 340px; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 680px) {
  .container, .navbar-container, .mobile-menu-nav { width: min(100% - 24px, var(--container)); }
  .hero { min-height: 610px; }
  .hero-content { margin-inline: 12px; width: calc(100% - 24px); }
  .hero-actions, .modal-footer { flex-direction: column; align-items: stretch; }
  .grid-4, .grid-3, .grid-2, .form-grid { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
  .ticket { grid-template-columns: 1fr; }
  .ticket-qr { min-height: 150px; border-left: 0; border-top: 1px dashed var(--border-color); }
  .footer-grid { grid-template-columns: 1fr; }
}