:root {
  color-scheme: light;
  --bg: #f6f7fb;
  --card: #ffffff;
  --text: #172033;
  --muted: #687083;
  --border: #dde2ec;
  --primary: #246bfe;
  --danger: #d92d20;
  --green: #1f9d55;
  --blue: #2672e8;
  --purple: #8b5cf6;
  --orange: #f59e0b;
  --gray: #8b95a7;
}

* {
  box-sizing: border-box;
}

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

button,
.button,
input,
select {
  font: inherit;
}

button,
.button {
  min-height: 42px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  color: var(--text);
  padding: 9px 14px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

button.primary,
.primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

button.danger {
  color: #fff;
  border-color: var(--danger);
  background: var(--danger);
}

button.ghost {
  background: transparent;
}

input,
select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 9px 12px;
  background: #fff;
}

.hidden {
  display: none !important;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 10px 24px rgba(19, 33, 68, 0.05);
}

.auth-card {
  max-width: 460px;
  margin: 9vh auto;
  padding: 24px;
}

.role-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 18px 0;
}

.role-btn.active {
  border-color: var(--primary);
  color: var(--primary);
  background: #eef4ff;
}

.field {
  display: block;
  margin: 12px 0;
}

.field span,
.label {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 4px;
}

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

.message {
  color: var(--danger);
  min-height: 1.4em;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: rgba(246, 247, 251, 0.92);
  backdrop-filter: blur(10px);
}

.app-title {
  font-size: 18px;
  font-weight: 750;
}

.stats {
  margin: 0 12px 12px;
  padding: 14px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}

.progress-wrap {
  grid-column: 1 / -1;
  height: 10px;
  border-radius: 999px;
  background: #e7ebf4;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--green));
}

.tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 0 12px 12px;
}

.tab.active {
  background: #eef4ff;
  color: var(--primary);
  border-color: var(--primary);
}

.tab-panel {
  padding: 0 12px 24px;
}

.toolbar {
  padding: 12px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  margin-bottom: 12px;
}

#checkpointsTab .toolbar {
  grid-template-columns: 1fr 150px;
}

.list {
  display: grid;
  gap: 10px;
}

.checkpoint-item,
.map-item {
  border-left: 8px solid var(--gray);
  padding: 12px;
  background: #fff;
  border-radius: 14px;
  border-top: 1px solid var(--border);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.checkpoint-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.checkpoint-item[data-color="green"] { border-left-color: var(--green); }
.checkpoint-item[data-color="blue"] { border-left-color: var(--blue); }
.checkpoint-item[data-color="purple"] { border-left-color: var(--purple); }
.checkpoint-item[data-color="orange"] { border-left-color: var(--orange); }
.checkpoint-item[data-color="red"] { border-left-color: var(--danger); }
.checkpoint-item[data-color="gray"] { border-left-color: var(--gray); }

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  background: #eef0f5;
  color: #3a455a;
}

.badge.done {
  color: #0f6b3b;
  background: #e8f7ef;
}

.badge.missing {
  color: #8a4b00;
  background: #fff4dc;
}

.detail {
  position: fixed;
  inset: 0;
  z-index: 20;
  overflow: auto;
  background: var(--bg);
  padding: 12px;
}

.detail-card {
  max-width: 720px;
  margin: 0 auto;
  padding: 16px;
}

.checkpoint-image,
.map-viewer img {
  display: block;
  width: 100%;
  max-height: 70vh;
  object-fit: contain;
  border-radius: 14px;
  background: #eef0f5;
  border: 1px solid var(--border);
}

.detail-status {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 12px 0;
}

.status-box {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 10px;
  background: #fbfcff;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 12px 0;
}

.admin-card {
  padding: 14px;
}

.output {
  white-space: pre-wrap;
  word-break: break-word;
  background: #111827;
  color: #d1fae5;
  border-radius: 14px;
  padding: 12px;
  min-height: 72px;
}

.map-viewer {
  margin-top: 12px;
  padding: 12px;
}

.viewer-head {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-bottom: 10px;
}

@media (max-width: 640px) {
  .auth-card {
    margin: 0;
    min-height: 100vh;
    border-radius: 0;
  }

  .stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .role-grid,
  .toolbar,
  #checkpointsTab .toolbar {
    grid-template-columns: 1fr;
  }

  .checkpoint-item {
    grid-template-columns: 1fr;
  }

  .detail-status {
    grid-template-columns: 1fr;
  }
}