/* Scheduler — layout, surfaces, forms */

:root {
  --font-sans: "DM Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --color-bg: #eef2f6;
  --color-bg-accent: #e8f4f0;
  --color-surface: #ffffff;
  --color-text: #0c1222;
  --color-text-muted: #5c6578;
  --color-border: #d8dee8;
  --color-primary: #0d6b5c;
  --color-primary-hover: #095648;
  --color-primary-soft: rgba(13, 107, 92, 0.1);
  --color-danger: #b42318;
  --color-danger-soft: rgba(180, 35, 24, 0.08);
  --color-success: #0f5132;
  --color-success-soft: rgba(15, 81, 50, 0.1);
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(12, 18, 34, 0.06), 0 12px 40px rgba(12, 18, 34, 0.08);
  --shadow-sm: 0 1px 3px rgba(12, 18, 34, 0.08);
  --focus: 0 0 0 3px rgba(13, 107, 92, 0.35);
  --max-width: 52rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--color-text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(13, 107, 92, 0.12), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(67, 97, 238, 0.08), transparent 50%),
    linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-accent) 100%);
}

a {
  color: var(--color-primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--color-primary-hover);
}

/* App shell */

.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.app-header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid rgba(216, 222, 232, 0.7);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(10px);
}

.app-header__inner {
  max-width: calc(var(--max-width) + 3rem);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: var(--color-text);
  text-decoration: none;
}

.logo:hover {
  color: var(--color-primary);
}

.app-header__nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
}

.app-header__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
}

.app-header__link:hover {
  color: var(--color-primary);
}

.app-main {
  flex: 1;
  padding: 2rem 1.25rem 3rem;
}

.app-main__inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

/* Typography */

.page-header {
  margin-bottom: 1.75rem;
}

.eyebrow {
  margin: 0 0 0.35rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.page-header h1,
h1.page-title {
  margin: 0 0 0.5rem;
  font-size: clamp(1.65rem, 4vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.lede,
.subtitle {
  margin: 0;
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 36ch;
}

.card .section-title + .subtitle {
  margin-top: -0.35rem;
  margin-bottom: 1.25rem;
}

h2,
.section-title {
  margin: 0 0 1rem;
  font-size: 1.15rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.meta-line {
  margin: 0 0 1.25rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.meta-line strong {
  color: var(--color-text);
  font-weight: 600;
}

.page-header .meta-line {
  margin-bottom: 0.35rem;
}

.page-header__nav {
  margin: 0 0 1.25rem;
}

.subtle-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
}

.subtle-link:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

.meta-line__sep {
  margin: 0 0.4rem;
  opacity: 0.55;
}

/* Responses matrix (organizer + participants) */

.responses-table-wrap {
  overflow-x: auto;
  margin-bottom: 1rem;
  border-radius: var(--radius);
  border: 1px solid rgba(216, 222, 232, 0.65);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.responses-matrix {
  width: 100%;
  min-width: 32rem;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.responses-matrix th,
.responses-matrix td {
  padding: 0.65rem 0.75rem;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  vertical-align: middle;
}

.responses-matrix th:last-child,
.responses-matrix td:last-child {
  border-right: none;
}

.responses-matrix thead th {
  background: #f4f6f9;
  font-weight: 650;
  color: var(--color-text);
}

.responses-matrix tbody tr:last-child th,
.responses-matrix tbody tr:last-child td {
  border-bottom: none;
}

.responses-matrix__corner {
  text-align: left !important;
  min-width: 7.5rem;
  position: sticky;
  left: 0;
  z-index: 2;
  background: #f4f6f9;
  box-shadow: 1px 0 0 var(--color-border);
}

.responses-matrix tbody .responses-matrix__name {
  text-align: left !important;
  font-weight: 600;
  position: sticky;
  left: 0;
  z-index: 1;
  background: var(--color-surface);
  box-shadow: 1px 0 0 var(--color-border);
}

.responses-matrix__slot-head {
  line-height: 1.25;
}

.responses-matrix__slot-date {
  display: block;
  font-size: 0.72rem;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}

.responses-matrix__slot-time {
  display: block;
  font-size: 0.8rem;
  margin-top: 0.15rem;
}

.responses-matrix__cell {
  background: #fafbfc;
}

.response-cell {
  display: inline-block;
  min-width: 2.75rem;
  padding: 0.25rem 0.45rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 650;
}

.response-cell--yes {
  background: var(--color-success-soft);
  color: var(--color-success);
}

.response-cell--maybe {
  background: rgba(180, 130, 10, 0.15);
  color: #8a5a00;
}

.response-cell--no {
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

.response-cell--empty {
  background: rgba(216, 222, 232, 0.5);
  color: var(--color-text-muted);
  font-weight: 500;
}

.responses-legend {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
}

.response-chip {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 650;
  margin-right: 0.25rem;
}

.response-chip--yes {
  background: var(--color-success-soft);
  color: var(--color-success);
}

.response-chip--maybe {
  background: rgba(180, 130, 10, 0.15);
  color: #8a5a00;
}

.response-chip--no {
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

.response-chip--empty {
  background: rgba(216, 222, 232, 0.5);
  color: var(--color-text-muted);
}

/* Cards & sections */

.card {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid rgba(216, 222, 232, 0.65);
}

.card--pad {
  padding: 1.5rem 1.5rem 1.65rem;
}

.section {
  margin-top: 2rem;
}

.section:first-of-type {
  margin-top: 0;
}

/* Flash */

.flash-stack {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.flash {
  margin: 0;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  border: 1px solid transparent;
}

.flash--notice {
  background: var(--color-success-soft);
  color: var(--color-success);
  border-color: rgba(15, 81, 50, 0.2);
}

.flash--alert {
  background: var(--color-danger-soft);
  color: var(--color-danger);
  border-color: rgba(180, 35, 24, 0.2);
}

/* Forms */

.form-errors {
  margin: 0 0 1.25rem;
  padding: 0.85rem 1rem;
  background: var(--color-danger-soft);
  border: 1px solid rgba(180, 35, 24, 0.2);
  border-radius: var(--radius-sm);
  color: var(--color-danger);
  font-size: 0.9rem;
}

.form-errors p {
  margin: 0.25rem 0 0;
}

.form-errors p:first-child {
  margin-top: 0;
}

.form__group {
  margin-bottom: 1.15rem;
}

.form__group:last-child {
  margin-bottom: 0;
}

.form label,
.form__label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
}

.form input[type="text"],
.form input[type="date"],
.form input[type="datetime-local"],
.form textarea {
  display: block;
  width: 100%;
  max-width: 100%;
  padding: 0.65rem 0.85rem;
  font: inherit;
  color: var(--color-text);
  background: #fafbfc;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.form input::placeholder {
  color: #94a3b8;
}

.form input:hover,
.form textarea:hover {
  border-color: #c5cdd8;
}

.form input:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--focus);
  background: var(--color-surface);
}

.form__actions {
  margin-top: 1.35rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.6rem 1.15rem;
  font: inherit;
  font-weight: 600;
  font-size: 0.9rem;
  line-height: 1.25;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.05s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

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

.btn--secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn--secondary:hover {
  background: #f4f6f9;
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.6);
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn--ghost:hover {
  background: var(--color-surface);
  border-color: #c5cdd8;
}

.btn--danger {
  background: var(--color-surface);
  color: var(--color-danger);
  border-color: rgba(180, 35, 24, 0.35);
}

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

.btn--sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
}

/* Preset chips */

.preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.75rem 0 0;
}

.preset-row + .form__actions {
  margin-top: 1rem;
}

.preset-hint {
  margin: 0.5rem 0 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* Share link */

.share-card {
  padding: 1rem 1.1rem;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, rgba(13, 107, 92, 0.07), rgba(67, 97, 238, 0.06));
  border: 1px dashed rgba(13, 107, 92, 0.35);
  border-radius: var(--radius-sm);
}

.share-card__label {
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.share-card__row {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 0.6rem;
}

.share-card__copy {
  flex-shrink: 0;
  align-self: center;
}

.share-url {
  flex: 1 1 12rem;
  min-width: 0;
  margin: 0;
  padding: 0.55rem 0.65rem;
  font-family: ui-monospace, "Cascadia Code", "SF Mono", Menlo, monospace;
  font-size: 0.82rem;
  word-break: break-all;
  background: var(--color-surface);
  border-radius: 8px;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

/* Month calendar (creator) */

.calendar-hint {
  margin: -0.25rem 0 1.25rem;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  max-width: 42rem;
}

.calendar__toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.calendar__nav-btn {
  min-width: 2.75rem;
  padding-inline: 0.65rem;
  font-size: 1.35rem;
  line-height: 1;
  font-weight: 600;
}

.calendar__month-label {
  margin: 0;
  flex: 1;
  text-align: center;
  font-size: 1.15rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.calendar__grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 0.35rem;
  margin-top: 0.25rem;
}

.calendar__weekday {
  font-size: 0.72rem;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  text-align: center;
  padding: 0.35rem 0;
}

.calendar__day {
  min-height: 4.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font: inherit;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 0.45rem 0.35rem 0.35rem;
  gap: 0.15rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  text-align: center;
}

.calendar__day.calendar__day--current-month {
  position: relative;
  z-index: 0;
}

.calendar__day.calendar__day--current-month:hover {
  z-index: 4;
}

.calendar__day:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
}

.calendar__day:focus {
  outline: none;
  box-shadow: var(--focus);
}

.calendar__day--muted {
  min-height: 4.5rem;
  border-radius: var(--radius-sm);
  border: 1px dashed rgba(216, 222, 232, 0.85);
  background: rgba(250, 251, 252, 0.6);
  color: #94a3b8;
  font-size: 0.85rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.calendar__day-num {
  font-size: 1rem;
  line-height: 1.2;
}

.calendar__day--today .calendar__day-num {
  color: var(--color-primary);
}

.calendar__day--today {
  border-color: rgba(13, 107, 92, 0.45);
  box-shadow: 0 0 0 1px rgba(13, 107, 92, 0.12);
}

.calendar__day--has-slots {
  background: linear-gradient(180deg, rgba(13, 107, 92, 0.06), var(--color-surface));
}

.calendar__slot-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
}

.calendar__slot-preview-block {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.1rem;
  width: 100%;
  max-width: 100%;
  padding: 0 1px;
}

.calendar__slot-preview-line {
  font-size: 0.62rem;
  font-weight: 500;
  color: var(--color-text-muted);
  line-height: 1.15;
  text-align: center;
}

/* Ellipsis only for time lines; --meta must stay full-width for tooltip positioning */
.calendar__slot-preview-line:not(.calendar__slot-preview-line--meta) {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.calendar__slot-preview-line--meta {
  font-weight: 600;
  color: var(--color-primary);
  cursor: help;
  position: relative;
  overflow: visible;
  z-index: 1;
  max-width: none;
  white-space: normal;
}

.calendar__slot-preview-line--meta[data-tooltip]:hover::after {
  content: attr(data-tooltip);
  display: block;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: calc(100% + 6px);
  box-sizing: border-box;
  padding: 8px 10px;
  min-width: 12rem;
  width: max-content;
  max-width: min(18rem, calc(100vw - 2rem));
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.35;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  white-space: pre-line;
  overflow-wrap: break-word;
  word-break: normal;
  text-align: center;
  pointer-events: none;
  z-index: 30;
}

/* Slot modal */

.slot-modal {
  padding: 0;
  border: none;
  border-radius: var(--radius);
  max-width: calc(100vw - 2rem);
  width: 26rem;
  background: transparent;
  box-shadow: none;
}

.slot-modal::backdrop {
  background: rgba(12, 18, 34, 0.45);
  backdrop-filter: blur(3px);
}

.slot-modal__panel {
  background: var(--color-surface);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow);
  padding: 1.25rem 1.35rem 1.4rem;
}

.slot-modal__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.slot-modal__title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 650;
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.slot-modal__close {
  flex-shrink: 0;
  min-width: 2rem;
  padding: 0.25rem 0.5rem;
  font-size: 1.25rem;
  line-height: 1;
}

.slot-modal__existing {
  margin: -0.35rem 0 1rem;
  padding: 0.75rem 0.85rem;
  background: rgba(13, 107, 92, 0.06);
  border: 1px solid rgba(13, 107, 92, 0.18);
  border-radius: var(--radius-sm);
}

.slot-modal__existing-label {
  margin: 0 0 0.4rem;
  font-size: 0.72rem;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.slot-modal__existing-list {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.45;
}

.slot-modal__form {
  margin-bottom: 0;
}

.slot-modal__presets {
  margin-top: 1.25rem;
  padding-top: 1.15rem;
  border-top: 1px solid var(--color-border);
}

.slot-modal__presets-label {
  margin: 0 0 0.65rem;
  font-size: 0.8rem;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.preset-row--modal {
  margin: 0;
}

.preset-wrap {
  display: inline-block;
}

.preset-wrap--disabled {
  opacity: 0.45;
  pointer-events: none;
}

.preset-wrap--disabled .btn {
  cursor: not-allowed;
  background: #e8eaef;
  color: var(--color-text-muted);
  border-color: var(--color-border);
}

.preset-quick-form {
  display: inline;
}

.preset-quick-form .btn {
  margin: 0 0.4rem 0.4rem 0;
}

@media (max-width: 640px) {
  .calendar__day,
  .calendar__day--muted {
    min-height: 3.35rem;
  }

  .calendar__slot-preview-block {
    display: none;
  }

  .calendar__day {
    padding: 0.35rem 0.2rem;
  }

  .calendar__day-num {
    font-size: 0.9rem;
  }
}

/* Scheduled options (creator): grouped by day */

.slot-list {
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.slot-day-group {
  background: var(--color-surface);
  border: 1px solid rgba(216, 222, 232, 0.65);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 1rem 1.15rem 1.05rem;
}

.slot-day-group__title {
  margin: 0 0 0.65rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.slot-day-group__slots {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.slot-day-group__slots .slot-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.7rem 0;
  margin: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  border-top: 1px solid rgba(216, 222, 232, 0.85);
}

.slot-day-group__slots .slot-item:first-child {
  border-top: none;
  padding-top: 0.15rem;
}

.slot-day-group__slots .slot-item:last-child {
  padding-bottom: 0.1rem;
}

.slot-item__text {
  font-weight: 500;
}

.slot-item form {
  margin: 0;
}

/* Availability choices */

.availability-stack {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 1.25rem;
}

.availability-day-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.availability-day-group__header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.availability-day-group__title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.3;
}

.availability-day-group__panel {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #fafbfc 0%, #f4f6f8 100%);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.05);
  overflow: hidden;
}

.availability-day-group__panel .availability-card {
  margin: 0;
  padding: 0;
  border: none;
  border-radius: 0;
  background: transparent;
}

.availability-day-group__panel .availability-card + .availability-card {
  border-top: 1px solid var(--color-border);
}

.availability-card {
  margin: 0;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #fafbfc;
  overflow: hidden;
}

.availability-day-group__panel .availability-card legend {
  background: rgba(255, 255, 255, 0.55);
}

.availability-card legend {
  padding: 0.75rem 1rem;
  width: 100%;
  font-size: 0.95rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid var(--color-border);
}

.choice-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.85rem 1rem 1rem;
}

.choice-grid label {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  padding: 0.45rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.choice-grid label:hover {
  border-color: #b8c2d0;
}

.choice-grid label:has(input:checked) {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
  color: var(--color-primary-hover);
  box-shadow: 0 0 0 1px rgba(13, 107, 92, 0.2);
}

.choice-grid input {
  margin: 0;
  accent-color: var(--color-primary);
}

/* Usage stats */

.stats-summary {
  margin-bottom: 1.5rem;
}

.stats-summary__title {
  margin-bottom: 1rem;
}

.stats-summary__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(13rem, 1fr));
  gap: 1rem;
}

.stat-tile {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.stat-tile__label {
  margin: 0 0 0.35rem;
  font-size: 0.78rem;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}

.stat-tile__value {
  margin: 0;
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.stat-tile__hint {
  margin: 0.5rem 0 0;
  font-size: 0.8rem;
  line-height: 1.35;
  color: var(--color-text-muted);
}

.stats-charts {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.stats-chart__subtitle {
  margin: -0.35rem 0 1rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.bar-chart {
  width: 100%;
}

.bar-chart__plot {
  display: flex;
  align-items: flex-end;
  gap: 0.25rem;
  min-height: 11rem;
  padding: 0.25rem 0 0;
  border-bottom: 1px solid var(--color-border);
}

.bar-chart__col {
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}

.bar-chart__bar-wrap {
  width: 100%;
  max-width: 2.25rem;
  height: 10rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: rgba(15, 23, 42, 0.04);
  border-radius: 6px 6px 0 0;
}

.bar-chart__bar {
  width: 100%;
  min-height: 2px;
  border-radius: 6px 6px 0 0;
  transition: height 0.2s ease;
}

.bar-chart__bar--polls {
  background: linear-gradient(180deg, #0d6b5c, #0a5349);
}

.bar-chart__bar--responses {
  background: linear-gradient(180deg, #4361ee, #3651d4);
}

.bar-chart__label {
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--color-text-muted);
  white-space: nowrap;
}

/* Generic content pages (scaffold leftovers) */

.stack-loose > * + * {
  margin-top: 1rem;
}

.notice-banner {
  margin: 0 0 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--color-success-soft);
  color: var(--color-success);
  font-weight: 500;
}

.poll-row {
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
  background: var(--color-surface);
}

@media (max-width: 520px) {
  .app-main {
    padding: 1.25rem 1rem 2.5rem;
  }

  .card--pad {
    padding: 1.15rem 1.15rem 1.25rem;
  }

  .slot-day-group__slots .slot-item {
    flex-direction: column;
    align-items: flex-start;
  }
}