:root {
  color-scheme: light;
  --bg: #f5f7fa;
  --panel: #ffffff;
  --ink: #17211c;
  --muted: #667085;
  --line: #d9e1e7;
  --accent: #0f8b75;
  --accent-dark: #086657;
  --accent-soft: #dff4ef;
  --warn: #9f6a0f;
  --danger: #b42318;
  --shadow: 0 18px 50px rgba(23, 33, 28, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(120deg, rgba(15, 139, 117, 0.08), rgba(34, 94, 168, 0.08)),
    var(--bg);
  color: var(--ink);
  font-family: "Noto Sans Thai", system-ui, sans-serif;
}

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

.app-shell {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: 24px;
}

.topbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  align-items: end;
  margin-bottom: 20px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  line-height: 1.2;
}

h1 {
  font-size: clamp(1.75rem, 3vw, 2.6rem);
}

h2 {
  font-size: 1.25rem;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  gap: 10px;
}

.summary-item {
  min-width: 0;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
}

.summary-item span {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
}

.summary-item strong {
  display: block;
  margin-top: 2px;
  overflow-wrap: anywhere;
}

.workarea {
  display: grid;
  grid-template-columns: minmax(360px, 520px) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.entry-panel,
.table-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.entry-panel {
  position: sticky;
  top: 20px;
  display: grid;
  gap: 18px;
  padding: 20px;
}

.table-panel {
  min-width: 0;
  padding: 20px;
}

.panel-heading,
.picker-head,
.form-actions,
.locked-fields {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
}

.status-pill {
  max-width: 180px;
  padding: 7px 10px;
  border-radius: 999px;
  background: #f3f5ef;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
  text-align: center;
}

.status-pill.ready {
  background: var(--accent-soft);
  color: var(--accent-dark);
}

.status-pill.warn {
  background: #fff4dc;
  color: var(--warn);
}

.field {
  display: grid;
  gap: 7px;
}

.field-full {
  grid-column: 1 / -1;
}

.field span,
.field-title {
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 700;
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 12px;
}

textarea,
select,
input[type="datetime-local"] {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcf9;
  color: var(--ink);
  outline: none;
}

textarea {
  resize: vertical;
  min-height: 180px;
  padding: 12px;
  line-height: 1.6;
}

select,
input[type="datetime-local"] {
  height: 44px;
  padding: 0 12px;
}

textarea:focus,
select:focus,
input[type="datetime-local"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(15, 139, 117, 0.14);
}

.upload-box,
.page-picker {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcf9;
}

.upload-action input {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  opacity: 0;
}

.upload-action span,
.primary-button,
.secondary-button,
.ghost-button,
.icon-button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 700;
  transition: transform 0.15s ease, background 0.15s ease;
}

.upload-action span,
.primary-button {
  padding: 0 18px;
  background: var(--accent);
  color: #fff;
}

.secondary-button,
.ghost-button,
.icon-button {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
}

.secondary-button,
.ghost-button {
  padding: 0 14px;
}

.icon-button {
  width: 42px;
  font-size: 1.15rem;
}

button:hover,
.upload-action span:hover {
  transform: translateY(-1px);
}

button:disabled {
  cursor: wait;
  opacity: 0.65;
  transform: none;
}

.file-preview {
  overflow-wrap: anywhere;
  color: var(--muted);
  font-size: 0.88rem;
}

.page-list {
  display: grid;
  max-height: 280px;
  overflow: auto;
  gap: 8px;
  padding-right: 4px;
}

.page-option {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.page-option input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.page-option span {
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.locked-fields {
  align-items: stretch;
}

.locked-fields div {
  flex: 1;
  padding: 10px 12px;
  border-radius: 8px;
  background: #eef4ed;
}

.locked-fields span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
}

.form-actions {
  justify-content: flex-end;
}

.form-message {
  min-height: 24px;
  margin: 0;
  color: var(--muted);
  font-weight: 600;
}

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

.table-wrap {
  width: 100%;
  margin-top: 16px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

table {
  width: 100%;
  min-width: 920px;
  border-collapse: collapse;
  background: #fff;
}

th,
td {
  padding: 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  position: sticky;
  top: 0;
  background: #edf5f1;
  color: #18382f;
  font-size: 0.82rem;
  white-space: nowrap;
}

td {
  color: #28342f;
  font-size: 0.9rem;
}

.caption-cell {
  max-width: 360px;
  display: -webkit-box;
  overflow: hidden;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

.empty-state {
  padding: 36px 16px;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 1100px) {
  .topbar,
  .workarea {
    grid-template-columns: 1fr;
  }

  .entry-panel {
    position: static;
  }

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

@media (max-width: 720px) {
  .app-shell {
    padding: 16px;
  }

  .summary-grid,
  .field-grid,
  .locked-fields,
  .form-actions,
  .picker-head {
    grid-template-columns: 1fr;
    display: grid;
  }

  .panel-heading {
    align-items: start;
  }

  .primary-button,
  .secondary-button,
  .ghost-button {
    width: 100%;
  }

  textarea {
    min-height: 150px;
  }
}