:root {
  --bg: #f5f6f8;
  --card-bg: #ffffff;
  --text: #1b1e23;
  --muted: #6b7280;
  --border: #e3e5e9;
  --accent: #128c7e;
  --accent-dark: #0d6b60;
  --danger: #c0392b;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

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

.topbar {
  background: var(--accent);
  color: #fff;
  padding: 24px 20px;
}

.topbar h1 {
  margin: 0 0 4px;
  font-size: 22px;
}

.subtitle {
  margin: 0;
  opacity: 0.9;
  font-size: 14px;
}

.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
}

.card h2 {
  margin-top: 0;
  font-size: 16px;
}

.field {
  display: block;
  margin-bottom: 12px;
}

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

.field input[type="text"],
.field input[type="file"] {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  background: #fff;
  color: var(--text);
}

button {
  cursor: pointer;
  border: none;
  border-radius: 6px;
  padding: 9px 16px;
  font-size: 14px;
  font-weight: 600;
  background: var(--accent);
  color: #fff;
}

button:hover {
  background: var(--accent-dark);
}

button.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

button.secondary:hover {
  background: var(--bg);
}

.status {
  margin-left: 10px;
  font-size: 13px;
  color: var(--muted);
}

.status.error {
  color: var(--danger);
}

.status.ok {
  color: var(--accent-dark);
}

.required-mark {
  color: var(--danger);
}

button.is-loading {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  opacity: 0.85;
  cursor: default;
}

.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-top-color: #fff;
  border-radius: 50%;
  display: inline-block;
  animation: spin 0.7s linear infinite;
}

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

.banner {
  background: #fff7e6;
  border: 1px solid #f0d999;
  color: #7a5b00;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
}

.dataset-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.dataset-list li {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
}

.dataset-list li.empty {
  color: var(--muted);
  border: none;
  padding: 4px 0;
}

.dataset-list li.empty.error {
  color: var(--danger);
}

.dataset-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.dataset-open {
  background: none;
  border: none;
  color: var(--accent-dark);
  font-weight: 600;
  font-size: 14px;
  padding: 0;
  text-align: left;
  flex: 1;
}

.dataset-open:hover {
  text-decoration: underline;
  background: none;
}

.dataset-meta {
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
}

.dataset-delete {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--border);
  font-size: 12px;
  padding: 5px 10px;
}

.dataset-delete:hover {
  background: #fdecea;
}

.viewer-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.viewer-head h2 {
  margin: 0;
  flex: 1;
}

#searchBox {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  min-width: 220px;
}

.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
}

table {
  border-collapse: collapse;
  width: 100%;
  font-size: 13px;
  white-space: nowrap;
}

thead th {
  position: sticky;
  top: 0;
  background: #fafafa;
  text-align: left;
  padding: 10px 12px;
  border-bottom: 2px solid var(--border);
}

tbody td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  white-space: normal;
  max-width: 320px;
}

tbody tr:hover {
  background: #f9fafb;
}

.whatsapp-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: #e7f8f4;
  color: var(--accent-dark);
  border: 1px solid #bfe9df;
  border-radius: 999px;
  padding: 4px 10px;
  margin: 2px 4px 2px 0;
  font-size: 12.5px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.whatsapp-chip:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.row-thumb {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--border);
  display: block;
}

.no-phone {
  color: var(--muted);
  font-size: 12.5px;
}