:root {
  --green: #2fb673;
  --green-dark: #1f8f57;
  --green-soft: #e8f7ef;
  --green-ring: rgba(47, 182, 115, 0.28);
  --bg: #fafafa;
  --surface: #ffffff;
  --line: #ececec;
  --line-strong: #d8d8d8;
  --ink: #1f2328;
  --ink-muted: #6b7480;
  --ink-soft: #8a93a0;
  --danger: #c0392b;
  --danger-soft: #fdecea;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 4px 12px rgba(0, 0, 0, 0.04);
  --t: 160ms ease;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
}

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* ============ TOPBAR ============ */
.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  padding-top: max(10px, env(safe-area-inset-top));
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  letter-spacing: 0.1px;
}

.brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 0 0 4px var(--green-soft);
}

.brand-name {
  font-size: 15px;
}

.spacer {
  flex: 1;
}

.user-chip {
  font-size: 13px;
  color: var(--ink-muted);
  background: var(--green-soft);
  color: var(--green-dark);
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 500;
}

.icon-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--ink);
  font-size: 20px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background var(--t);
}

.icon-btn:hover {
  background: var(--green-soft);
  color: var(--green-dark);
}

.icon-btn[hidden] {
  display: none !important;
}

/* ============ LAYOUT ============ */
main {
  padding: 18px;
  padding-bottom: max(28px, env(safe-area-inset-bottom));
  max-width: 980px;
  margin: 0 auto;
}

/* ============ LOGIN ============ */
.login-wrap {
  min-height: calc(100vh - 40px);
  display: grid;
  place-items: center;
  padding: 20px 0;
}

.login-card {
  width: 100%;
  max-width: 360px;
  background: var(--surface);
  border-radius: 14px;
  padding: 28px 24px 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}

.login-logo {
  display: grid;
  place-items: center;
  margin-bottom: 14px;
}

.logo-circle {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: var(--green);
  color: white;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 14px var(--green-ring);
}

.login-card h1 {
  margin: 6px 0 2px;
  font-size: 20px;
  text-align: center;
}

.login-card p.sub {
  margin: 0 0 20px;
  text-align: center;
  color: var(--ink-muted);
  font-size: 13px;
}

/* ============ FIELDS ============ */
.field {
  margin-bottom: 14px;
}

.field label,
.label {
  display: block;
  font-size: 13px;
  color: var(--ink-muted);
  margin-bottom: 6px;
  font-weight: 500;
}

.label .req {
  color: var(--green-dark);
  margin-left: 3px;
}

.input,
.select,
.textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  transition: border-color var(--t), box-shadow var(--t);
  outline: none;
}

.textarea {
  min-height: 72px;
  resize: vertical;
}

.input:focus,
.select:focus,
.textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px var(--green-ring);
}

.input[readonly] {
  background: #f7f7f7;
  color: var(--ink-muted);
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 16px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-weight: 600;
  letter-spacing: 0.1px;
  transition: all var(--t);
  background: var(--surface);
  color: var(--ink);
  border-color: var(--line-strong);
}

.btn:hover {
  background: #f4f4f4;
}

.btn-primary {
  background: var(--green);
  color: #fff;
  border-color: var(--green);
}

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

.btn-ghost {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--ink);
}

.btn-danger {
  background: var(--danger-soft);
  color: var(--danger);
  border-color: transparent;
}

.btn-block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

/* ============ SELECTION GRID ============ */
.page-title {
  margin: 4px 0 4px;
  font-size: 22px;
  font-weight: 700;
}

.page-sub {
  margin: 0 0 20px;
  color: var(--ink-muted);
  font-size: 14px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}

.form-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
  text-align: left;
  cursor: pointer;
  transition: transform var(--t), border-color var(--t), box-shadow var(--t);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.form-card:hover {
  transform: translateY(-1px);
  border-color: var(--green);
  box-shadow: var(--shadow);
}

.form-card .code {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.4px;
  font-weight: 700;
  color: var(--green-dark);
  background: var(--green-soft);
  padding: 3px 8px;
  border-radius: 999px;
  align-self: flex-start;
  text-transform: uppercase;
}

.form-card h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.3;
}

.form-card .desc {
  font-size: 13px;
  color: var(--ink-muted);
  margin: 0;
}

.form-card .meta {
  margin-top: auto;
  display: flex;
  gap: 8px;
  font-size: 12px;
  color: var(--ink-soft);
}

.form-card .badge-icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--green-soft);
  color: var(--green-dark);
  font-size: 18px;
  margin-bottom: 4px;
}

/* ============ FORM PAGE ============ */
.form-header {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 18px;
  margin-bottom: 16px;
}

.form-header .code {
  color: var(--green-dark);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin: 0 0 2px;
}

.form-header h2 {
  margin: 0 0 4px;
  font-size: 18px;
}

.form-header .meta {
  font-size: 12px;
  color: var(--ink-muted);
}

.section {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 18px;
  margin-bottom: 14px;
}

.section h3 {
  font-size: 15px;
  margin: 0 0 14px;
  font-weight: 600;
  color: var(--green-dark);
  display: flex;
  align-items: center;
  gap: 8px;
}

.section h3::before {
  content: "";
  width: 4px;
  height: 14px;
  background: var(--green);
  border-radius: 2px;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

@media (max-width: 560px) {
  .two-col {
    grid-template-columns: 1fr;
  }
}

/* ============ SEGMENTED (radio pills) ============ */
.segmented {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
}

.segmented input {
  display: none;
}

.segmented label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 12px;
  border-radius: 999px;
  background: #f2f3f5;
  color: var(--ink);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--t);
  min-width: 40px;
}

.segmented input:checked + label {
  background: var(--green);
  color: #fff;
  border-color: var(--green);
}

.segmented.tri label {
  min-width: 44px;
}

/* ============ CHECKLIST ============ */
.check-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.check-row:last-child {
  border-bottom: none;
}

.check-row .check-label {
  flex: 1;
  font-size: 14px;
}

.segmented.sm label {
  padding: 5px 10px;
  font-size: 12px;
  min-width: 36px;
}

/* ============ TABLE-STYLE GRIDS ============ */
.grid-scroll {
  overflow-x: auto;
  margin: 0 -4px;
  padding: 0 4px;
  -webkit-overflow-scrolling: touch;
}

.grid-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  min-width: 640px;
}

.grid-table th,
.grid-table td {
  text-align: left;
  font-size: 12.5px;
  padding: 8px 8px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.grid-table th {
  font-weight: 600;
  color: var(--ink-muted);
  background: #fbfbfb;
  position: sticky;
  top: 0;
  z-index: 1;
  border-bottom: 1px solid var(--line-strong);
}

.grid-table td.aspect {
  font-weight: 500;
  min-width: 230px;
  background: #fcfcfc;
  position: sticky;
  left: 0;
  z-index: 1;
  border-right: 1px solid var(--line);
}

.grid-table td.idx {
  width: 32px;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}

.grid-table .mini-input {
  width: 100%;
  padding: 6px 8px;
  font-size: 12px;
  border-radius: 6px;
  border: 1px solid var(--line-strong);
  min-width: 90px;
}

.grid-table .segmented.sm {
  flex-wrap: nowrap;
}

.grid-table td .day-header {
  color: var(--ink-muted);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.day-cell {
  min-width: 130px;
}

.day-cell .stack {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* ============ REPEATER ROWS ============ */
.repeater {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.repeater-row {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  background: #fbfcfc;
  position: relative;
}

.repeater-row .row-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.repeater-row .row-num {
  font-weight: 700;
  color: var(--green-dark);
  font-size: 13px;
}

.repeater-row .row-del {
  background: none;
  border: none;
  color: var(--danger);
  cursor: pointer;
  font-size: 14px;
  padding: 4px 8px;
}

.repeater .add-row {
  align-self: flex-start;
}

/* ============ NOTE ============ */
.note {
  font-size: 12px;
  color: var(--ink-muted);
  background: var(--green-soft);
  color: var(--green-dark);
  border-radius: 10px;
  padding: 10px 12px;
  margin-bottom: 12px;
  border-left: 3px solid var(--green);
}

/* ============ ACTIONS ============ */
.form-actions {
  display: flex;
  gap: 10px;
  position: sticky;
  bottom: 0;
  background: linear-gradient(180deg, rgba(250, 250, 250, 0) 0%, var(--bg) 30%);
  padding: 14px 0 8px;
}

/* ============ TOAST ============ */
.toast {
  position: fixed;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%);
  background: var(--ink);
  color: #fff;
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 13px;
  z-index: 80;
  box-shadow: 0 6px 22px rgba(0, 0, 0, 0.15);
  animation: toastIn 180ms ease;
}

.toast.ok {
  background: var(--green-dark);
}

.toast.err {
  background: var(--danger);
}

@keyframes toastIn {
  from { opacity: 0; transform: translate(-50%, 6px); }
  to   { opacity: 1; transform: translate(-50%, 0); }
}

/* ============ SAVED LIST ============ */
.saved-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.saved-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.saved-item .meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.saved-item .title {
  font-weight: 600;
  font-size: 14px;
}

.saved-item .sub {
  font-size: 12px;
  color: var(--ink-muted);
}

.empty {
  text-align: center;
  color: var(--ink-muted);
  padding: 40px 10px;
  font-size: 14px;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 560px) {
  main { padding: 14px; }
  .section { padding: 14px; }
  .form-header { padding: 14px; }
}