/*
  On-screen interface styling. Uses Spectral (same as the printed output in
  print.css) so the interface previews what the print will look like.
  Theme tokens live in tokens.css.
*/

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-ink);
  background: var(--color-paper);
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

button {
  font: inherit;
  color: var(--color-ink);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: var(--space-2) var(--space-3);
  cursor: pointer;
  transition: border-color 0.12s ease, background-color 0.12s ease;
}

button:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-tint);
}

button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

button:disabled:hover {
  border-color: var(--color-line);
  background: var(--color-surface);
}

input[type="text"],
input[type="number"],
textarea,
select {
  font: inherit;
  color: var(--color-ink);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: var(--space-2) var(--space-3);
}

input[type="text"]:focus-visible,
input[type="number"]:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

::placeholder {
  color: var(--color-ink-soft);
  opacity: 0.7;
}

/* ---- Header ---------------------------------------------------------------- */

.app-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-line);
}

/* Row 1: wordmark, event title, and the status / save-file cluster. */
.app-header__bar {
  display: flex;
  align-items: center;
  gap: var(--space-4) var(--space-5);
  flex-wrap: wrap;
}

.app-header__product {
  font-weight: 600;
  font-size: 1.4rem;
  letter-spacing: 0.005em;
  color: var(--color-ink);
  white-space: nowrap;
  text-decoration: none;
}

.app-header__product:hover {
  color: var(--color-accent-strong);
}

.app-header__event-name {
  flex: 1 1 240px;
  max-width: 440px;
  font-size: var(--text-lg);
  padding: var(--space-2) var(--space-3);
}

.app-header__status {
  display: flex;
  align-items: center;
  gap: var(--space-3) var(--space-4);
  margin-left: auto;
  flex-wrap: wrap;
}

/* Row 2: the three step buttons - larger, and the primary way you move
   through the tool. */
.app-nav {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.app-nav__tab {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-weight: 500;
}

.app-nav__tab[aria-current="page"] {
  background: var(--color-accent-tint);
  border-color: var(--color-accent);
  color: var(--color-accent-strong);
  font-weight: 600;
}

.app-header__count {
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  white-space: nowrap;
}

.app-header__warnings {
  color: var(--color-warning);
  border-color: var(--color-warning);
  font-size: var(--text-sm);
  white-space: nowrap;
}

.app-header__warnings:hover {
  border-color: var(--color-warning);
  background: var(--color-warning-tint);
}

.app-header__save {
  font-size: var(--text-sm);
  color: var(--color-ok);
  white-space: nowrap;
}

.app-header__save[data-state="saving"] {
  color: var(--color-ink-soft);
}

.app-header__save[data-state="error"] {
  color: var(--color-warning);
}

/* "Backup" dropdown - the plan's save-file actions, kept quiet and out of
   the way until needed. */
.app-menu {
  position: relative;
}

.app-menu__trigger {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.app-menu__trigger[aria-expanded="true"] {
  border-color: var(--color-accent);
  background: var(--color-accent-tint);
}

.app-menu__caret {
  font-size: 0.7em;
}

.app-menu__list {
  position: absolute;
  right: 0;
  top: calc(100% + var(--space-1));
  z-index: 20;
  display: flex;
  flex-direction: column;
  min-width: 190px;
  padding: var(--space-1);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.app-menu__list[hidden] {
  display: none;
}

.app-menu__list button {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  text-align: left;
  white-space: nowrap;
  background: transparent;
  border: 0;
  border-radius: calc(var(--radius) - 2px);
}

.app-menu__list button:hover {
  background: var(--color-accent-tint);
  border-color: transparent;
}

.app-menu__list #new-plan {
  color: var(--color-warning);
}

/* ---- Main / views ------------------------------------------------------------ */

.app-main {
  padding: var(--space-7) var(--space-6);
  max-width: 1120px;
  margin: 0 auto;
}

.view__title {
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-5);
}

/* ---- Guests view --------------------------------------------------------- */

.guests {
  max-width: 640px;
}

.guest-add {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}

.guest-add input {
  flex: 1 1 140px;
}

.guest-paste {
  margin-bottom: var(--space-4);
  padding: var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.guest-paste summary {
  cursor: pointer;
  font-weight: 600;
}

.guest-paste__hint {
  margin: var(--space-3) 0;
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
}

.guest-paste textarea {
  width: 100%;
  font: inherit;
  padding: var(--space-2);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  resize: vertical;
}

.guest-paste button {
  margin-top: var(--space-2);
}

.guest-summary {
  margin: var(--space-3) 0;
  min-height: 1.2em;
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
}

.guest-selection[hidden] {
  display: none;
}

.guest-selection {
  position: sticky;
  top: var(--space-2);
  z-index: 1;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-3);
  padding: var(--space-3);
  background: var(--color-accent-tint);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.guest-selection input {
  flex: 1 1 160px;
}

.guest-group {
  margin-bottom: var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.guest-group__head {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-paper);
  border-bottom: 1px solid var(--color-line);
  border-radius: var(--radius) var(--radius) 0 0;
}

.guest-group__name-input {
  flex: 1 1 auto;
  font-weight: 600;
  border: 1px solid transparent;
  background: transparent;
}

.guest-group__name-input:hover {
  border-color: var(--color-line);
}

.guest-group__name-input:focus-visible {
  border-color: var(--color-accent);
  background: var(--color-surface);
}

.guest-group--none .guest-group__name {
  flex: 1 1 auto;
  padding: 0 var(--space-1);
  font-weight: 600;
}

.guest-group__count {
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
}

.guest-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-line);
}

.guest-row:last-child {
  border-bottom: 0;
}

.guest-row__name {
  flex: 1 1 auto;
  text-align: left;
  background: transparent;
  border: 1px solid transparent;
}

.guest-row__name:hover {
  border-color: var(--color-line);
}

.guest-row__seated {
  padding: 0 var(--space-2);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  border: 1px solid var(--color-line);
  border-radius: 999px;
}

.guest-row__delete {
  padding: var(--space-1) var(--space-2);
  color: var(--color-ink-soft);
  border-color: transparent;
  line-height: 1;
}

.guest-row__delete:hover {
  color: var(--color-warning);
  border-color: var(--color-warning);
}

.guest-row--editing {
  flex-wrap: wrap;
}

.guest-row__first,
.guest-row__last {
  flex: 1 1 120px;
}

.guest-list__empty {
  padding: var(--space-6);
  color: var(--color-ink-soft);
  text-align: center;
  border: 1px dashed var(--color-line);
  border-radius: var(--radius);
}

/* ---- Plan view: panel + room canvas ----------------------------------- */

.plan {
  display: flex;
  align-items: flex-start;
  gap: var(--space-5);
  flex-wrap: wrap;
}

.plan__panel {
  flex: 0 0 300px;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.plan__canvas-wrap {
  position: relative;
  flex: 1 1 480px;
  overflow: auto;
  height: calc(100vh - var(--header-height) - 150px);
  min-height: 440px;
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

/* Wrapper sized to the scaled room so the canvas scrolls correctly. */
#room-scaler {
  position: relative;
}

/* Zoom controls, pinned to the top-right of the canvas frame. */
.canvas-zoom {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 6;
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 2px;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.canvas-zoom button {
  min-width: 30px;
  padding: 3px 8px;
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  background: transparent;
  border: 0;
  border-radius: calc(var(--radius) - 2px);
  cursor: pointer;
  color: var(--color-ink);
}

.canvas-zoom button:hover {
  background: var(--color-accent-tint);
}

.canvas-zoom__pct {
  min-width: 3.5em;
  padding: 0 4px;
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  font-variant-numeric: tabular-nums;
}

.panel-section--grow {
  display: flex;
  flex-direction: column;
}

.panel-section__summary {
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.005em;
  cursor: pointer;
  margin-bottom: var(--space-3);
}

.panel-section__title {
  margin: 0 0 var(--space-3);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.005em;
}

.panel-section__badge {
  color: var(--color-ink-soft);
  font-weight: 400;
  font-size: var(--text-sm);
}

.panel-section__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.panel-section__head h2 {
  margin: 0;
  font-size: var(--text-lg);
}

#table-list {
  max-height: 30vh;
  overflow-y: auto;
}

.unseated-filter {
  width: 100%;
  margin-bottom: var(--space-2);
}

.unseated-list {
  max-height: 46vh;
  overflow-y: auto;
}

.useat-group {
  margin-bottom: var(--space-3);
}

.useat-group__name {
  margin-bottom: var(--space-1);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  font-weight: 600;
}

.useat {
  padding: 6px 8px;
  margin-bottom: 4px;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  cursor: grab;
  user-select: none;
  touch-action: none;
}

.useat:hover {
  border-color: var(--color-accent);
}

.split-note {
  margin: var(--space-2) 0 0;
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
}

#unseated-section.drop-here {
  outline: 2px dashed var(--color-accent);
  outline-offset: 4px;
  border-radius: var(--radius);
}

.drag-chip {
  position: fixed;
  z-index: 1000;
  padding: 4px 8px;
  background: var(--color-ink);
  color: #fff;
  font-size: var(--text-sm);
  border-radius: var(--radius);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  pointer-events: none;
  white-space: nowrap;
}

.table-row {
  margin-bottom: var(--space-2);
  padding: var(--space-2);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  cursor: pointer;
}

.table-row--selected {
  background: var(--color-accent-tint);
  border-color: var(--color-accent);
}

.table-row__label {
  width: 100%;
  margin-bottom: var(--space-2);
  font-weight: 600;
  background: transparent;
  border: 1px solid transparent;
}

.table-row__label:hover {
  border-color: var(--color-line);
}

.table-row__label:focus-visible {
  border-color: var(--color-accent);
  background: var(--color-surface);
}

.table-row__controls {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.table-row__shape {
  flex: 0 1 auto;
  max-width: 132px;
}

.table-row__seatcount {
  width: 46px;
}

.table-row__delete {
  margin-left: auto;
  color: var(--color-ink-soft);
  border-color: transparent;
}

.table-row__delete:hover {
  color: var(--color-warning);
  border-color: var(--color-warning);
}

.table-row__occ {
  flex-basis: 100%;
  margin-top: 4px;
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
}

.panel__empty {
  padding: var(--space-3) 0;
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
}

/* Table controls sit inside tight rows - trim their padding. */
.table-row__shape,
.table-row__seatcount {
  padding: var(--space-1) var(--space-2);
}

.room {
  position: relative;
  background: var(--color-surface);
  background-image: radial-gradient(
    var(--color-line) 0.5px,
    transparent 0.5px
  );
  background-size: 32px 32px;
}

.room__empty {
  position: absolute;
  top: var(--space-6);
  left: var(--space-6);
  max-width: 220px;
  color: var(--color-ink-soft);
}

.tbl {
  position: absolute;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: 1px solid var(--color-accent);
  cursor: grab;
  touch-action: none;
}

.tbl--round {
  border-radius: 50%;
}

.tbl--rect {
  border-radius: 2px;
}

.tbl--head {
  border-radius: 2px;
}

.tbl--sweetheart {
  border-radius: 22px;
}

.tbl--selected {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.tbl--dragging {
  cursor: grabbing;
  z-index: 10;
}

.tbl__label {
  padding: 2px 4px;
  max-width: 86%;
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1.15;
  text-align: center;
  overflow-wrap: break-word;
  pointer-events: none;
}

.seat {
  position: absolute;
  width: 22px;
  height: 22px;
  background: var(--color-paper);
  border: 1px solid var(--color-accent);
  border-radius: 50%;
  box-sizing: border-box;
}

.seat--target {
  outline: 2px solid var(--color-ok);
  outline-offset: 2px;
}

.seat--occupied {
  display: flex;
  align-items: center;
  gap: 3px;
  width: auto;
  min-width: 22px;
  max-width: 96px;
  height: 22px;
  padding: 0 6px;
  /* the 22px anchor centres on the seat point; re-centre the wider pill */
  transform: translateX(calc(11px - 50%));
  background: var(--color-accent-strong);
  border-color: var(--color-accent-strong);
  border-radius: 999px;
  color: #fff;
  cursor: grab;
  touch-action: none;
  z-index: 2;
}

.seat--occupied.seat--target {
  outline-color: #fff;
}

.seat__name {
  overflow: hidden;
  font-size: 11px;
  line-height: 1;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.seat__remove {
  display: none;
  padding: 0;
  border: 0;
  background: transparent;
  color: #fff;
  font-size: 13px;
  line-height: 1;
  cursor: pointer;
}

.seat--occupied:hover .seat__remove {
  display: inline-flex;
}

/* ---- Warnings strip ---------------------------------------------------- */

.warnings-strip {
  border-bottom: 1px solid var(--color-warning-line);
  background: var(--color-warning-tint);
}

.warnings-strip__summary {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-2) var(--space-6);
  background: transparent;
  border: 0;
  border-radius: 0;
  color: var(--color-warning);
  font-weight: 600;
  text-align: left;
}

.warnings-strip__summary:hover {
  border: 0;
  background: var(--color-warning-line);
}

.warnings-strip__hint {
  color: var(--color-ink-soft);
  font-weight: 400;
  font-size: var(--text-sm);
}

.warnings-strip__list {
  margin: 0;
  padding: var(--space-2) var(--space-6) var(--space-4);
  list-style: none;
}

.warnings-strip__item {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  border-top: 1px solid var(--color-warning-line);
  color: var(--color-ink);
  font-size: var(--text-sm);
}

.warnings-strip__go {
  flex: 0 0 auto;
  padding: 2px var(--space-2);
  font-size: var(--text-sm);
}

/* ---- Seating rules list (Guests screen) ------------------------------- */

.rules {
  margin-top: var(--space-6);
}

.rules__title {
  margin: 0 0 var(--space-3);
  font-size: var(--text-lg);
}

.rule {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  margin-bottom: var(--space-2);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-left: 3px solid var(--color-line);
  border-radius: var(--radius);
}

.rule--together {
  border-left-color: var(--color-ok);
}

.rule--apart {
  border-left-color: var(--color-warning);
}

.rule__pair {
  font-weight: 600;
}

.rule__amp {
  color: var(--color-ink-soft);
  font-weight: 400;
}

.rule__verb {
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
}

.rule__remove {
  margin-left: auto;
  padding: var(--space-1) var(--space-2);
  color: var(--color-ink-soft);
  border-color: transparent;
  line-height: 1;
}

.rule__remove:hover {
  color: var(--color-warning);
  border-color: var(--color-warning);
}

/* ---- Print view (on screen) ----------------------------------------- */

.print {
  display: flex;
  align-items: flex-start;
  gap: var(--space-5);
  flex-wrap: wrap;
}

.print__controls {
  flex: 0 0 280px;
}

.control-group {
  margin: 0 0 var(--space-4);
  padding: var(--space-3);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.control-group legend {
  padding: 0 var(--space-2);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.control-option {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  cursor: pointer;
}

.control-option:last-child {
  margin-bottom: 0;
}

.control-option input {
  margin-top: 2px;
}

.control-option--inline {
  display: inline-flex;
  margin-right: var(--space-4);
}

.print__export {
  width: 100%;
  padding: var(--space-3);
  font-weight: 600;
  color: #fff;
  background: var(--color-accent-strong);
  border-color: var(--color-accent-strong);
}

.print__export:hover {
  color: #fff;
  background: var(--color-ink);
  border-color: var(--color-ink);
}

.print__hint {
  margin-top: var(--space-3);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
}

/* ---- PDF-export unlock panel ---------------------------------------- */

.unlock {
  margin-top: var(--space-3);
  padding: var(--space-4);
  background: var(--color-accent-tint);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius);
  transition: box-shadow 0.2s ease;
}

.unlock--flash {
  box-shadow: 0 0 0 3px var(--color-accent);
}

.unlock__lead {
  margin: 0 0 var(--space-2);
  font-size: var(--text-sm);
}

.unlock__price {
  margin: 0 0 var(--space-3);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
}

.unlock__buy {
  display: block;
  text-align: center;
  text-decoration: none;
}

.unlock__have {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
}

.unlock__have summary {
  cursor: pointer;
  color: var(--color-ink-soft);
}

.unlock__key {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.unlock__key input {
  flex: 1 1 auto;
  min-width: 0;
  font-size: var(--text-sm);
}

.unlock__msg {
  margin: var(--space-2) 0 0;
  min-height: 1.2em;
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
}

.print-preview {
  flex: 1 1 420px;
  max-height: 76vh;
  overflow: auto;
  padding: 16px;
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.print-preview__sizer {
  position: relative;
  margin: 0 auto;
}

.print-preview .print-doc {
  position: absolute;
  top: 0;
  left: 0;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.15);
}