/* Date Chooser — Phase 1 minimal styling.
   Tokens from 01-UI-SPEC.md; full visual polish lands in Plans 02-03. */

:root {
  --color-bg: #F8FAFC;
  --color-surface: #FFFFFF;
  --color-accent: #2563EB;
  --color-destructive: #DC2626;
  --color-yes: #16A34A;
  --color-text: #1E293B;
  --color-text-muted: #64748B;
  --color-border: #E2E8F0;

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
}

.page {
  max-width: 640px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--space-lg);
}

.display {
  font-size: 28px;
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 var(--space-2xl);
}

.heading {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 var(--space-md);
}

.label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: var(--space-sm);
}

.label.accent {
  color: var(--color-accent);
}

.body {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
}

.field {
  margin-bottom: var(--space-md);
}

.form-section {
  margin-bottom: var(--space-xl);
}

.form-section:last-of-type {
  margin-bottom: 0;
}

input[type="text"],
input[type="date"],
input[type="datetime-local"],
textarea {
  width: 100%;
  min-height: 44px;
  padding: var(--space-sm) 12px;
  font-size: 16px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-family: inherit;
}

textarea {
  min-height: auto;
}

input:focus,
textarea:focus {
  outline: 2px solid var(--color-accent);
}

.btn-primary {
  min-height: 44px;
  padding: var(--space-sm) 24px;
  margin-top: var(--space-xl);
  background: var(--color-accent);
  color: var(--color-surface);
  border: none;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-surface);
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  border-radius: 6px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  margin-bottom: var(--space-sm);
}

.btn-remove {
  min-height: 44px;
  padding: var(--space-sm) var(--space-md);
  background: transparent;
  color: var(--color-destructive);
  border: 1px solid var(--color-destructive);
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  flex: 0 0 auto;
}

.btn-remove[hidden] {
  display: none;
}

.btn-secondary[hidden] {
  display: none;
}

/* Phase 5 (v1.1) — per-slot "Copy" button (SLOT-04). Named .btn-copy-slot
   rather than .btn-copy: .btn-copy already exists (links.html "Copy link"
   button, styled solid-accent, wired via copy.js's document-wide
   ".btn-copy" click listener) — reusing that class name here would both
   override the existing rule's cascade and let copy.js's clipboard handler
   attach to these buttons if it were ever loaded on this page. */
.btn-copy-slot {
  min-height: 44px;
  padding: var(--space-sm) var(--space-md);
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  flex: 0 0 auto;
}

.btn-copy-slot:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.toggle-group {
  display: flex;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  overflow: hidden;
  padding: 0;
  margin: 0 0 var(--space-md);
}

.toggle-group legend {
  display: block;
  width: 100%;
  margin-bottom: var(--space-sm);
}

.toggle-option {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  min-height: 44px;
  padding: var(--space-sm) 12px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.toggle-option.toggle-active {
  background: var(--color-accent);
  color: var(--color-surface);
}

.toggle-option input[type="radio"] {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

#slots-list {
  margin-bottom: var(--space-sm);
}

.slot-row {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  padding: var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: 6px;
}

.slot-row input {
  flex: 1;
  min-width: 140px;
}

.slot-row input.slot-date-full {
  flex: 1 1 100%;
}

.slot-time-range {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  flex: 1 1 100%;
  gap: var(--space-sm);
  min-width: 0;
}

.slot-time-end-group {
  display: flex;
  align-items: center;
  flex: 1 1 auto;
  min-width: 0;
  gap: var(--space-sm);
}

.slot-time-arrow {
  flex: 0 0 auto;
  color: var(--color-text-muted);
  font-size: 16px;
  line-height: 1;
}

.banner-success {
  background: #EFF6FF;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  border-radius: 6px;
  padding: var(--space-sm) 12px;
  margin-bottom: var(--space-md);
  font-size: 14px;
  font-weight: 600;
}

.banner-success[hidden] {
  display: none;
}

.pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  width: 100%;
}

.pill {
  position: relative;
  flex: 1 1 72px;
  min-width: 72px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-surface);
  overflow: hidden;
  cursor: pointer;
}

.pill input[type="radio"] {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.pill span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: var(--space-sm) 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
}

.pill input[type="radio"]:focus-visible ~ span {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

.pill-yes input[type="radio"]:checked ~ span {
  background: var(--color-yes);
  color: var(--color-surface);
}

.pill-no input[type="radio"]:checked ~ span {
  background: var(--color-destructive);
  color: var(--color-surface);
}

.pill-maybe input[type="radio"]:checked ~ span {
  background: var(--color-text-muted);
  color: var(--color-surface);
}

.banner-error {
  background: #FEF2F2;
  border: 1px solid var(--color-destructive);
  color: var(--color-destructive);
  border-radius: 6px;
  padding: var(--space-sm) 12px;
  margin-bottom: var(--space-md);
  font-size: 14px;
  font-weight: 600;
}

.banner-error[hidden] {
  display: none;
}

.field-error {
  color: var(--color-destructive);
  font-size: 14px;
  margin: var(--space-xs) 0 0;
}

.hint {
  color: var(--color-text-muted);
  margin-top: var(--space-sm);
}

.hint[hidden] {
  display: none;
}

.link-box {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  max-width: 100%;
  overflow-wrap: break-word;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: var(--space-sm) 12px;
  margin: 0;
}

.link-box-secret {
  background: #EFF6FF;
  border-color: var(--color-accent);
}

.link-text {
  flex: 1 1 auto;
  min-width: 0;
  margin: 0;
  word-break: break-all;
  overflow-wrap: break-word;
  color: var(--color-accent);
}

.btn-copy {
  flex: 0 0 auto;
  min-height: 44px;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-accent);
  color: var(--color-surface);
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.label-secret {
  color: var(--color-accent);
}

.copy-fallback {
  color: var(--color-text-muted);
  font-size: 14px;
  margin: var(--space-md) 0 0;
}

.copy-fallback[hidden] {
  display: none;
}

.time-field {
  position: relative;
  display: flex;
  align-items: center;
  flex: 1 1 180px;
  min-width: 180px;
  gap: var(--space-xs);
}

.time-field input[type="time"] {
  flex: 1;
  min-width: 90px;
  min-height: 44px;
  box-sizing: border-box;
}

.btn-time-step {
  flex: 0 0 auto;
  min-height: 44px;
  min-width: 44px;
  padding: 0 var(--space-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
}

.btn-time-step:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.time-dropdown {
  position: absolute;
  z-index: 10;
  top: calc(100% + var(--space-xs));
  right: 0;
  max-height: 220px;
  overflow-y: auto;
  margin: 0;
  padding: var(--space-xs) 0;
  list-style: none;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
  min-width: 100px;
}

.time-dropdown[hidden] {
  display: none;
}

.time-dropdown-option {
  display: block;
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: none;
  background: none;
  text-align: left;
  font-size: 14px;
  color: var(--color-text);
  cursor: pointer;
}

.time-dropdown-option:hover,
.time-dropdown-option:focus {
  background: var(--color-bg);
  color: var(--color-accent);
}

.time-dropdown-option[aria-selected="true"] {
  font-weight: 600;
  color: var(--color-accent);
}

/* Phase 3 — results grid (03-UI-SPEC.md Grid Structure). Reuses only tokens
   declared in the :root block above; no new hex values, no new font size or
   weight. */

.results-section {
  max-width: 960px;
  margin: var(--space-2xl) auto 0;
  padding: 0 var(--space-lg);
}

.results-section.comments-section {
  margin-top: var(--space-md);
}

.results-scroll {
  overflow-x: auto;
}

.results-table {
  border-collapse: collapse;
  width: 100%;
}

.results-table th,
.results-table td {
  padding: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.results-table thead th {
  background: var(--color-surface);
  text-align: left;
  font-size: 14px;
  font-weight: 600;
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.results-table td.results-cell {
  min-width: 48px;
  text-align: center;
}

/* Sticky slot-label column: stays visible while the participant columns
   scroll horizontally on narrow viewports (backstop — see WINDOWS.md). */
.results-label-col {
  position: sticky;
  left: 0;
  background: var(--color-surface);
  min-width: 168px;
  border-right: 1px solid var(--color-border);
}

.results-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  min-height: 28px;
  border-radius: 6px;
  color: var(--color-surface);
  font-size: 14px;
  font-weight: 600;
}

.results-badge-yes {
  background: var(--color-yes);
}

.results-badge-no {
  background: var(--color-destructive);
}

.results-badge-maybe {
  background: var(--color-text-muted);
}

.results-missing {
  color: var(--color-text-muted);
}

.results-tally {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.4;
  color: var(--color-text-muted);
}

.results-tally-empty {
  color: var(--color-text-muted);
}

.results-row-best td {
  background: #EFF6FF;
}

.results-row-best .results-label-col {
  border-left: 3px solid var(--color-accent);
}

.results-badge-best {
  display: inline-block;
  margin-top: var(--space-xs);
  color: var(--color-accent);
  font-size: 14px;
  font-weight: 600;
}

/* Phase 4 — admin edit form (04-UI-SPEC.md). Reuses only tokens declared in
   the :root block above; zero new hex values. */

.toggle-disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.toggle-disabled .toggle-option {
  cursor: not-allowed;
}

.slot-row-fields {
  display: flex;
  flex-wrap: wrap;
  flex: 1 1 100%;
  gap: var(--space-sm);
  min-width: 0;
}

.slot-row-marked {
  background: #FEF2F2;
  border: 1px solid var(--color-destructive);
}

.slot-row-marked .slot-row-fields {
  text-decoration: line-through;
  color: var(--color-text-muted);
}

.slot-removal-inline-warning {
  flex: 1 1 100%;
  margin: var(--space-xs) 0 0;
}

#slot-removal-aggregate-warning {
  margin-top: var(--space-md);
}

#slot-removal-aggregate-warning label {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  min-height: 44px;
  margin-top: var(--space-sm);
  font-weight: 600;
  cursor: pointer;
}

/* Plan 04-02 — admin-only "Remove" response-deletion row on the results
   grid (04-UI-SPEC.md). Reuses .btn-remove's destructive outline styling; no
   new hex values. */

.results-admin-row th {
  padding-top: 0;
  text-align: center;
}

.results-admin-remove {
  display: inline-flex;
  justify-content: center;
}

.btn-remove-response {
  min-height: 44px;
  padding: var(--space-xs) var(--space-sm);
  font-size: 14px;
}

/* Plan 04-03 — danger zone (whole-poll delete, edit page). Reuses
   .banner-error's exact tint/border pairing for the card, and .btn-remove's
   destructive color inverted to a solid fill for the single new component
   this phase introduces (.btn-danger) — zero new hex values (04-UI-SPEC.md
   "Color" / "destructive-color escalation"). */

.danger-zone {
  background: #FEF2F2;
  border: 1px solid var(--color-destructive);
  margin-top: var(--space-xl);
}

.danger-zone .heading {
  color: var(--color-destructive);
}

.danger-zone .body {
  margin: 0 0 var(--space-md);
}

.btn-danger {
  min-height: 44px;
  padding: var(--space-sm) 24px;
  background: var(--color-destructive);
  color: var(--color-surface);
  border: none;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
}

/* Phase 7 (v1.2) — instance-admin page: the login form's "forgotten
   secret" disclosure and the all-polls table. Zero new hex values. */

.admin-secret-help {
  margin-top: var(--space-lg);
}

.code-block {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: var(--space-sm) var(--space-md);
  font-family: monospace;
  font-size: 14px;
  overflow-x: auto;
}

.admin-poll-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--space-md);
}

.admin-poll-table th,
.admin-poll-table td {
  text-align: left;
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
}

.admin-poll-table th {
  color: var(--color-text-muted);
  font-weight: 600;
}