:root {
  --color-forest: #245c3a;
  --color-leaf: #3f8a55;
  --color-moss: #dfeadd;
  --color-sun: #d88b35;
  --color-ink: #1d2b22;
  --color-muted: #637368;
  --color-line: #d9e2d7;
  --color-paper: #ffffff;
  --color-bg: #f4f7ef;
  --shadow-soft: 0 14px 34px rgba(31, 58, 41, 0.12);
  --radius: 18px;
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  overflow-x: hidden;
}

a {
  color: inherit;
}

input,
button {
  font: inherit;
}

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

.app-header {
  display: grid;
  gap: 12px;
  padding: 0 0 14px;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--color-line);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
}

.header-banner-link {
  display: block;
  overflow: hidden;
  text-decoration: none;
  width: 100%;
}

.header-banner {
  display: block;
  height: auto;
  max-width: 100%;
  object-fit: contain;
  width: 100%;
}

.header-meta {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  padding: 0 16px;
}

.guard-banner-link {
  background: var(--color-paper);
  border-bottom: 1px solid var(--color-line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand small,
.status-pill,
.stat-card span {
  color: var(--color-leaf);
  font-size: 0.78rem;
  font-weight: 800;
}

.brand strong {
  display: block;
  color: var(--color-forest);
  font-size: 1rem;
}

.app-header p {
  margin: 0;
  color: var(--color-muted);
  line-height: 1.7;
  padding: 0 16px;
}

.header-actions,
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.header-actions {
  align-items: center;
}

.button {
  align-items: center;
  border-radius: 999px;
  display: inline-flex;
  font-weight: 800;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  text-decoration: none;
}

.button.primary {
  background: var(--color-forest);
  color: white;
}

.button.secondary {
  background: var(--color-moss);
  color: var(--color-forest);
}

.button.ghost {
  background: transparent;
  border: 1px solid var(--color-line);
  color: var(--color-forest);
}

.button.full {
  width: 100%;
}

.admin-icon-link {
  align-items: center;
  background: transparent;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  color: var(--color-muted);
  display: inline-flex;
  font-size: 1rem;
  height: 38px;
  justify-content: center;
  text-decoration: none;
  width: 38px;
}

.admin-icon-link:hover,
.admin-icon-link:focus {
  background: var(--color-moss);
  color: var(--color-forest);
}

.landing-main,
.content {
  margin: 0 auto;
  max-width: 1120px;
  padding: 18px 16px 92px;
}

.hero-section,
.dashboard-hero,
.placeholder-panel,
.notice-band,
.auth-card,
.card,
.status-grid article,
.stat-card {
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.hero-section {
  display: grid;
  gap: 18px;
  min-height: calc(100vh - 118px);
  padding: 24px;
}

.hero-copy {
  align-self: center;
}

.hero-description {
  color: var(--color-ink);
  font-size: 1.06rem;
}

.public-entry {
  font-size: 1.1rem;
  margin-top: 18px;
  min-height: 58px;
  width: 100%;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  color: var(--color-forest);
  font-size: clamp(2rem, 9vw, 4.2rem);
  line-height: 1.05;
  margin-bottom: 16px;
}

h3 {
  color: var(--color-forest);
  margin-bottom: 8px;
}

p {
  color: var(--color-muted);
  line-height: 1.75;
}

.hero-visual {
  align-items: center;
  background: linear-gradient(145deg, #e8f0e4, #ffffff);
  border-radius: var(--radius);
  display: grid;
  gap: 12px;
  justify-items: center;
  min-height: 240px;
  padding: 24px;
}

.hero-visual img {
  width: min(46vw, 180px);
}

.hero-visual span {
  background: white;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  color: var(--color-forest);
  font-weight: 800;
  padding: 8px 14px;
}

.mission-panel {
  display: grid;
  gap: 14px;
}

.mission-panel article {
  background: #f7faf4;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 18px;
}

.mission-panel h2 {
  color: var(--color-forest);
  font-size: 1.35rem;
  line-height: 1.25;
  margin: 0 0 10px;
}

.event-disclaimer {
  color: var(--color-muted);
  font-size: 0.92rem;
  margin-top: 16px;
  text-align: center;
}

.event-disclaimer p {
  margin-bottom: 0;
}

.notice-band,
.dashboard-hero,
.placeholder-panel {
  margin-top: 18px;
  padding: 20px;
}

.notice-band strong {
  color: var(--color-forest);
}

.auth-page {
  align-items: center;
  display: flex;
  justify-content: center;
  min-height: 100vh;
  padding: 18px;
}

.auth-card {
  display: grid;
  gap: 14px;
  max-width: 440px;
  padding: 24px;
  width: 100%;
}

.auth-card img {
  border-radius: 18px;
}

.auth-card .auth-banner {
  height: auto;
  max-width: 100%;
  width: 100%;
}

.auth-card h1 {
  font-size: 2rem;
  margin-bottom: 0;
}

.auth-card label {
  color: var(--color-forest);
  display: grid;
  font-weight: 800;
  gap: 6px;
}

.auth-card input {
  border: 1px solid var(--color-line);
  border-radius: 14px;
  min-height: 52px;
  padding: 12px 14px;
}

.checkbox-row {
  align-items: start;
  display: grid;
  grid-template-columns: 22px 1fr;
}

.checkbox-row input {
  min-height: auto;
}

.privacy-note {
  background: var(--color-moss);
  border-radius: 14px;
  color: var(--color-forest);
  font-size: 0.9rem;
  line-height: 1.7;
  padding: 12px;
}

.card-grid,
.checkin-circle-grid,
.stat-grid,
.status-grid {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

.action-card {
  display: grid;
  gap: 14px;
  padding: 18px;
}

.status-grid article,
.task-circle,
.stat-card {
  padding: 16px;
}

.status-grid strong,
.task-circle strong,
.stat-card strong {
  color: var(--color-forest);
  display: block;
  font-size: 1.45rem;
  margin-top: 6px;
}

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

.task-circle {
  align-content: center;
  aspect-ratio: 1;
  background: #f7faf4;
  border: 2px dashed var(--color-line);
  border-radius: 50%;
  box-shadow: none;
  display: grid;
  justify-items: center;
  text-align: center;
}

.task-circle.done {
  background: var(--color-moss);
  border-color: var(--color-leaf);
}

.task-circle span {
  color: var(--color-muted);
  font-size: 0.82rem;
  line-height: 1.4;
  margin-top: 4px;
}

.check-list {
  color: var(--color-muted);
  line-height: 1.8;
  margin-bottom: 0;
  padding-left: 20px;
}

.bottom-nav {
  background: white;
  border-top: 1px solid var(--color-line);
  bottom: 0;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  left: 0;
  padding: 6px 6px calc(8px + env(safe-area-inset-bottom));
  position: fixed;
  right: 0;
  z-index: 70;
}

.bottom-nav-item {
  align-items: center;
  border-radius: 14px;
  color: var(--color-muted);
  display: grid;
  gap: 2px;
  justify-items: center;
  min-height: 58px;
  padding: 6px 2px;
  position: relative;
  text-decoration: none;
  touch-action: manipulation;
  -webkit-tap-highlight-color: rgba(36, 92, 58, 0.14);
}

.bottom-nav-item::after {
  content: "";
  inset: -4px -2px;
  pointer-events: none;
  position: absolute;
}

.bottom-nav-item.active {
  background: var(--color-moss);
  color: var(--color-forest);
}

.bottom-nav-item span {
  font-size: 1.2rem;
}

.bottom-nav-item strong {
  font-size: 0.7rem;
  line-height: 1.2;
  text-align: center;
}

.admin-layout {
  display: grid;
}

.admin-sidebar {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 12px 16px 0;
}

.admin-nav-link {
  background: white;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  color: var(--color-forest);
  flex: 0 0 auto;
  font-weight: 800;
  padding: 10px 14px;
  text-decoration: none;
}

.admin-nav-link.active {
  background: var(--color-forest);
  color: white;
}

.table-wrap {
  background: white;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  margin-top: 16px;
  overflow-x: auto;
}

.flow-form {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

.inline-form,
.admin-action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 12px 0;
}

.qr-action-group {
  align-items: stretch;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-width: 220px;
}

.button.compact {
  min-height: 40px;
  padding: 8px 12px;
}

.flow-form label {
  color: var(--color-forest);
  display: grid;
  font-weight: 800;
  gap: 6px;
}

.flow-form input,
.flow-form select,
.flow-form textarea {
  border: 1px solid var(--color-line);
  border-radius: 14px;
  min-height: 52px;
  padding: 12px 14px;
}

.inline-alert {
  border-radius: 14px;
  font-weight: 800;
  line-height: 1.6;
  padding: 12px 14px;
}

.inline-alert.success {
  background: var(--color-moss);
  color: var(--color-forest);
}

.inline-alert.warning {
  background: #fff4df;
  color: #8a520f;
}

.inline-alert.error {
  background: #ffe8e2;
  color: #9b2f1d;
}

.debug-grid {
  display: grid;
  gap: 6px;
  margin: 10px 0 0;
  font-size: 0.78rem;
}

.debug-grid div {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) auto;
  gap: 8px;
  align-items: center;
}

.debug-grid dt,
.debug-grid dd {
  margin: 0;
}

.debug-grid dt {
  color: var(--muted);
}

.debug-grid dd {
  font-weight: 800;
  text-align: right;
}

.empty-state {
  background: white;
  border: 1px dashed var(--color-line);
  border-radius: var(--radius);
  padding: 18px;
}

.photo-preview-toggle {
  opacity: 0;
  pointer-events: none;
  position: fixed;
}

.photo-preview-open {
  cursor: pointer;
  text-align: center;
  touch-action: manipulation;
}

.photo-preview-modal {
  align-items: center;
  display: none;
  inset: 0;
  justify-content: center;
  padding: 18px;
  pointer-events: none;
  position: fixed;
  z-index: 80;
}

.photo-preview-toggle:checked + .photo-preview-open + .photo-preview-modal {
  display: flex;
  pointer-events: auto;
}

.photo-preview-backdrop {
  background: rgba(0, 0, 0, 0.62);
  inset: 0;
  position: absolute;
}

.photo-preview-dialog {
  background: var(--color-paper);
  border-radius: var(--radius);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
  display: grid;
  gap: 12px;
  max-height: calc(100vh - 36px);
  max-width: min(720px, 100%);
  overflow: auto;
  padding: 18px;
  position: relative;
  width: 100%;
  z-index: 1;
}

.photo-preview-dialog h2 {
  color: var(--color-forest);
  margin: 0;
}

.photo-preview-close {
  align-items: center;
  background: var(--color-forest);
  border-radius: 50%;
  color: white;
  display: inline-flex;
  font-size: 1.5rem;
  font-weight: 900;
  height: 44px;
  justify-content: center;
  justify-self: end;
  line-height: 1;
  text-decoration: none;
  touch-action: manipulation;
  width: 44px;
}

.photo-preview-image {
  border-radius: 14px;
  display: block;
  max-height: 68vh;
  object-fit: contain;
  width: 100%;
}

.status-grid.compact {
  margin: 16px 0;
}

table {
  border-collapse: collapse;
  min-width: 680px;
  width: 100%;
}

th,
td {
  border-bottom: 1px solid var(--color-line);
  padding: 14px;
  text-align: left;
}

th {
  background: var(--color-forest);
  color: white;
}

td {
  color: var(--color-muted);
}

.admin-qr-preview {
  display: inline-block;
}

.admin-qr-preview summary {
  cursor: pointer;
  list-style: none;
}

.admin-qr-preview summary::-webkit-details-marker {
  display: none;
}

.admin-qr-preview-card {
  background: white;
  border: 1px solid var(--color-line);
  border-radius: 12px;
  margin: 10px 0 0;
  max-width: 180px;
  padding: 12px;
  text-align: center;
}

.admin-qr-preview-image {
  display: block;
  height: auto;
  margin: 0 auto 8px;
  width: 132px;
}

.admin-qr-preview-card figcaption {
  color: var(--color-forest);
  font-weight: 800;
  line-height: 1.35;
}

@media (min-width: 720px) {
  .app-header {
    align-items: center;
    grid-template-columns: 1fr auto;
    padding: 18px 28px;
  }

  .app-header p {
    grid-column: 1 / -1;
  }

  .hero-section {
    grid-template-columns: 1.1fr 0.9fr;
    padding: 42px;
  }

  .public-entry {
    max-width: 360px;
  }

  .card-grid,
  .checkin-circle-grid,
  .stat-grid,
  .status-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .action-card {
    align-items: end;
    grid-template-columns: 1fr auto;
  }

  .admin-layout {
    grid-template-columns: 220px 1fr;
  }

  .admin-sidebar {
    align-content: start;
    display: grid;
    overflow: visible;
    padding: 18px 0 18px 18px;
  }

  .content {
    padding-bottom: 32px;
  }
}

@media (min-width: 980px) {
  .stat-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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