/* ==========================================================================
   UncleTrips — Ask Uncle Trip Planner workspace
   ≥1280: conversation | itinerary | trip context (3 columns)
   1024–1279: conversation | itinerary, context under the itinerary
   <1024: one panel at a time (Chat · Plan · Trip & total) + sticky total bar
   Bubbles, chips, panels, forms and service tags come from components/ui.css.
   ========================================================================== */

.planner {
  padding-block-end: var(--sp-8);
  background: linear-gradient(180deg, var(--c-grey-50) 0, var(--c-white) 360px);
}

.planner-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--sp-3) var(--sp-6);
  padding-block: var(--sp-6) var(--sp-5);
}

.planner-proto {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--r-pill);
  background: var(--c-cream-100);
  font-size: var(--fs-13);
  color: var(--c-grey-600);
}

.planner-proto .icon {
  width: 16px;
  height: 16px;
  color: var(--c-orange-600);
}

.planner-switch {
  display: none;
}

.planner-grid {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr) 300px;
  grid-template-areas: "chat plan side";
  gap: var(--sp-5);
  align-items: start;
}

.planner-chat { grid-area: chat; }
.planner-plan { grid-area: plan; min-width: 0; }
.planner-side { grid-area: side; display: grid; gap: var(--sp-4); }

/* ------------------------------------------------------------- Chat */
.planner-chat {
  position: sticky;
  inset-block-start: calc(var(--header-h) + var(--sp-4));
  display: flex;
  flex-direction: column;
  height: calc(100vh - var(--header-h) - 140px);
  min-height: 520px;
  max-height: 820px;
  overflow: hidden;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  box-shadow: var(--sh-md);
}

.chat-head {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  border-block-end: 1px solid var(--c-border);
  background: var(--c-navy-900);
  color: var(--c-white);
}

.chat-head img {
  width: 44px;
  border-radius: 50%;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.85);
}

.chat-head > div {
  flex: 1;
  min-width: 0;
}

.chat-name {
  font-weight: var(--fw-bold);
  line-height: 1.2;
}

.chat-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-12);
  color: rgba(255, 255, 255, 0.75);
}

.chat-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4cc38a;
}

.chat-head .tool-btn {
  color: var(--c-white);
}

.chat-head .tool-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

.chat-thread {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin: 0;
  padding: var(--sp-4);
  overflow-y: auto;
  overscroll-behavior: contain;
  list-style: none;
  background: #f7f8fb;
}

.chat-msg {
  display: flex;
  align-items: flex-end;
  gap: var(--sp-2);
  max-width: 100%;
}

.chat-msg--user {
  justify-content: flex-end;
}

.chat-msg .bubble {
  max-width: 88%;
}

.chat-msg--uncle .bubble {
  max-width: calc(100% - 44px);
}

.chat-msg.is-new {
  animation: chat-in 260ms var(--ease);
}

@keyframes chat-in {
  from { opacity: 0; transform: translateY(6px); }
}

.chat-msg .bubble strong {
  font-weight: var(--fw-bold);
}

.chat-hint {
  display: block;
  margin-block-start: 6px;
  font-size: var(--fs-13);
  color: var(--c-text-muted);
}

.chat-options {
  display: grid;
  gap: var(--sp-2);
  margin-block-start: var(--sp-3);
}

.chat-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-3);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  background: var(--c-white);
}

.chat-option > span:first-child {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.35;
}

.chat-option small {
  font-size: var(--fs-12);
  color: var(--c-text-muted);
}

.chat-option.is-current {
  border-color: var(--c-orange-500);
}

.chat-option-tag {
  flex: none;
  font-size: var(--fs-12);
  font-weight: var(--fw-bold);
  color: var(--c-orange-600);
}

.chat-option .btn {
  flex: none;
  min-height: 34px;
  padding-inline: 0.9em;
}

.chat-actions {
  display: flex;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-4) 0;
  overflow-x: auto;
  scrollbar-width: none;
  border-block-start: 1px solid var(--c-border);
}

.chat-actions::-webkit-scrollbar {
  display: none;
}

.chip--action {
  flex: none;
  gap: 6px;
  min-height: 36px;
  padding-inline: 0.85em;
  border: 1px solid var(--c-border);
  background: var(--c-white);
  font-size: var(--fs-13);
}

.chip--action .icon {
  width: 16px;
  height: 16px;
  color: var(--c-orange-500);
}

.chip--action:hover {
  border-color: var(--c-grey-300);
  background: var(--c-grey-50);
}

.chat-input {
  display: flex;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-4) var(--sp-4);
}

.chat-input input {
  flex: 1;
  min-width: 0;
  min-height: var(--tap);
  padding-inline: var(--sp-4);
  border: 1px solid var(--c-grey-300);
  border-radius: var(--r-pill);
  font-size: var(--fs-14);
}

.chat-input input:focus {
  outline: none;
  border-color: var(--c-navy-600);
  box-shadow: 0 0 0 3px rgba(29, 58, 99, 0.12);
}

.chat-send {
  display: grid;
  place-items: center;
  flex: none;
  width: var(--tap);
  height: var(--tap);
  border-radius: 50%;
  background: var(--c-orange-500);
  color: var(--c-white);
}

.chat-send:hover {
  background: var(--c-orange-600);
}

/* --------------------------------------------------------- Itinerary */
.plan-brief {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3) var(--sp-4);
  margin-block-end: var(--sp-5);
  padding: var(--sp-4) var(--sp-5);
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
}

.plan-brief[hidden] {
  display: none;
}

.plan-title {
  font-size: var(--fs-20);
  font-weight: var(--fw-extrabold);
  letter-spacing: -0.01em;
}

.plan-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px var(--sp-4);
  margin-block-start: 6px;
  font-size: var(--fs-13);
  color: var(--c-grey-600);
}

.plan-tags li {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.plan-tags .icon {
  width: 16px;
  height: 16px;
  color: var(--c-navy-600);
}

.plan-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-8) var(--sp-6);
  text-align: center;
  background: var(--c-white);
  border: 1px dashed var(--c-grey-300);
  border-radius: var(--r-xl);
}

.plan-empty[hidden] {
  display: none;
}

.plan-empty picture {
  display: flex;
  justify-content: center;
  width: 100%;
}

.plan-empty img {
  width: min(300px, 80%);
  height: auto;
}

.plan-empty h2 {
  font-size: var(--fs-h3);
  font-weight: var(--fw-extrabold);
}

.plan-empty p {
  max-width: 48ch;
  color: var(--c-grey-600);
}

.plan-starters {
  justify-content: center;
  margin-block-start: var(--sp-2);
}

.plan-days[hidden] {
  display: none;
}

.plan-days {
  display: grid;
  gap: var(--sp-5);
}

.plan-day-head {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-block-end: var(--sp-3);
}

.plan-day-num {
  display: grid;
  place-items: center;
  flex: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--c-navy-800);
  color: var(--c-white);
  font-size: var(--fs-14);
  font-weight: var(--fw-bold);
}

.plan-day-head h3 {
  font-size: var(--fs-16);
  font-weight: var(--fw-bold);
}

.plan-day-head h3 span {
  color: var(--c-navy-900);
}

.plan-day-label {
  margin-inline-start: auto;
  padding: 2px 10px;
  border-radius: var(--r-pill);
  background: var(--c-orange-100);
  color: var(--c-orange-600);
  font-size: var(--fs-12);
  font-weight: var(--fw-bold);
}

.plan-items {
  position: relative;
  display: grid;
  gap: var(--sp-2);
  padding-inline-start: 15px;
  border-inline-start: 2px solid var(--c-grey-200);
  margin-inline-start: 15px;
}

.plan-item {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  align-items: start;
  gap: var(--sp-3);
}

.plan-time {
  padding-block-start: 14px;
  font-size: var(--fs-13);
  font-weight: var(--fw-bold);
  font-variant-numeric: tabular-nums;
  color: var(--c-navy-800);
}

.plan-card {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) auto;
  grid-template-areas:
    "icon body actions"
    "icon price actions";
  align-items: start;
  gap: 4px var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-xs);
  transition: box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.plan-item.is-new .plan-card {
  border-color: var(--c-orange-500);
  box-shadow: 0 0 0 3px rgba(242, 106, 33, 0.15);
}

.plan-icon {
  grid-area: icon;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--c-navy-100);
  color: var(--c-navy-800);
}

.plan-item[data-type="tour"] .plan-icon {
  background: var(--c-orange-100);
  color: var(--c-orange-600);
}

.plan-item[data-type="transfer"] .plan-icon {
  background: #e8f1fb;
  color: var(--c-blue-600);
}

.plan-icon .icon {
  width: 20px;
  height: 20px;
}

.plan-card-body {
  grid-area: body;
  min-width: 0;
}

.plan-card-actions {
  grid-area: actions;
  align-self: center;
}

.plan-card-kind {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.plan-kid {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--fs-12);
  font-weight: var(--fw-semibold);
  color: #1e7a50;
}

.plan-kid .icon {
  width: 14px;
  height: 14px;
}

.plan-kid[hidden] {
  display: none;
}

.plan-card-title {
  margin-block-start: 4px;
  font-size: var(--fs-15);
  font-weight: var(--fw-bold);
  line-height: 1.35;
}

.plan-card-meta {
  font-size: var(--fs-13);
  color: var(--c-text-muted);
}

.plan-card-price {
  grid-area: price;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 2px 8px;
  line-height: 1.3;
}

.plan-card-price strong {
  font-size: var(--fs-16);
  font-weight: var(--fw-extrabold);
  white-space: nowrap;
}

.plan-card-price span {
  font-size: var(--fs-12);
  color: var(--c-text-muted);
}

.plan-card-actions {
  display: flex;
  gap: 2px;
}

.icon-btn {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: var(--c-grey-500);
}

.icon-btn:hover {
  background: var(--c-grey-100);
  color: var(--c-navy-900);
}

.icon-btn .icon {
  width: 18px;
  height: 18px;
}

.plan-free {
  padding: var(--sp-3) var(--sp-4);
  border: 1px dashed var(--c-grey-300);
  border-radius: var(--r-lg);
  font-size: var(--fs-14);
  color: var(--c-grey-600);
}

.plan-foot {
  margin-block-start: var(--sp-5);
}

.plan-foot[hidden] {
  display: none;
}

.plan-foot-note {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  font-size: var(--fs-13);
  color: var(--c-text-muted);
}

.plan-foot-note .icon {
  width: 16px;
  height: 16px;
  margin-block-start: 2px;
}

/* --------------------------------------------------------- Context side */
.planner-side .panel + .panel {
  margin: 0;
}

.trip-total {
  display: grid;
  gap: var(--sp-4);
}

.total-lines {
  display: grid;
  gap: var(--sp-3);
}

.total-lines li {
  display: flex;
  justify-content: space-between;
  gap: var(--sp-3);
  font-size: var(--fs-14);
}

.total-lines li > span:first-child {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.total-label {
  font-weight: var(--fw-semibold);
}

.total-lines small {
  font-size: var(--fs-12);
  color: var(--c-text-muted);
}

.total-lines li > [data-price] {
  font-weight: var(--fw-bold);
  white-space: nowrap;
}

.total-lines .total-empty {
  font-size: var(--fs-13);
  color: var(--c-text-muted);
}

.trip-total .btn:disabled {
  opacity: 0.45;
  box-shadow: none;
  cursor: not-allowed;
}

.brief-panel > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  cursor: pointer;
}

.brief-panel > summary::-webkit-details-marker {
  display: none;
}

.brief-panel > summary .icon {
  transition: transform var(--dur) var(--ease);
}

.brief-panel[open] > summary {
  margin-block-end: var(--sp-4);
}

.brief-panel[open] > summary .icon {
  transform: rotate(180deg);
}

.brief-form .field-label {
  font-size: var(--fs-13);
}

.brief-form .input,
.brief-form .select {
  min-height: 44px;
  font-size: var(--fs-14);
}

.brief-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-3);
}

.brief-stepper {
  min-height: 44px;
}

.brief-form fieldset {
  margin: 0;
  padding: 0;
  border: 0;
  min-inline-size: 0;
}

.brief-form legend {
  margin-block-end: 6px;
  padding: 0;
}

.segmented {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding: 3px;
  border-radius: var(--r-md);
  background: var(--c-grey-100);
}

.segmented label {
  position: relative;
}

.segmented input,
.toggle-chip input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.segmented span {
  display: grid;
  place-items: center;
  min-height: 36px;
  border-radius: 8px;
  font-size: var(--fs-13);
  font-weight: var(--fw-semibold);
  color: var(--c-grey-600);
  cursor: pointer;
}

.segmented input:checked + span {
  background: var(--c-white);
  color: var(--c-navy-900);
  box-shadow: var(--sh-xs);
}

.segmented input:focus-visible + span,
.toggle-chip input:focus-visible + span {
  outline: 2px solid var(--c-orange-500);
  outline-offset: 2px;
}

.interest-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.toggle-chip {
  position: relative;
}

.toggle-chip span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding-inline: 0.8rem;
  border: 1px solid var(--c-border);
  border-radius: var(--r-pill);
  font-size: var(--fs-13);
  font-weight: var(--fw-semibold);
  color: var(--c-grey-600);
  cursor: pointer;
}

.toggle-chip input:checked + span {
  border-color: var(--c-navy-800);
  background: var(--c-navy-800);
  color: var(--c-white);
}

.brief-form .switch-text {
  font-size: var(--fs-14);
}

.plan-map {
  position: relative;
  aspect-ratio: 10 / 7;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
}

.plan-map svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.plan-map-label {
  font-family: var(--font-sans);
  font-size: 3.2px;
  font-weight: 600;
  fill: var(--c-grey-500);
}

.plan-pin {
  position: absolute;
  left: var(--x);
  top: var(--y);
  display: grid;
  place-items: center;
  min-width: 24px;
  height: 24px;
  padding-inline: 5px;
  border-radius: var(--r-pill);
  background: var(--c-navy-900);
  color: var(--c-white);
  font-size: var(--fs-12);
  font-weight: var(--fw-bold);
  box-shadow: 0 0 0 2px var(--c-white), var(--sh-sm);
  transform: translate(-50%, -50%);
}

.plan-pin--airport {
  background: var(--c-blue-600);
}

.plan-map figcaption {
  position: absolute;
  inset-inline: 6px;
  inset-block-end: 6px;
  padding: 3px 6px;
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.9);
  font-size: 0.6875rem;
  color: var(--c-grey-600);
}

.planner-bar {
  display: none;
}

/* ================================================== 1024–1279: 2 columns */
@media (max-width: 1279px) {
  .planner-grid {
    grid-template-columns: 340px minmax(0, 1fr);
    grid-template-areas:
      "chat plan"
      "chat side";
  }

  .planner-side {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .planner-side .trip-total {
    grid-column: 1 / -1;
  }
}

/* ============================================ < 1024: one panel at a time */
@media (max-width: 1023px) {
  .planner-head {
    padding-block: var(--sp-4) var(--sp-3);
  }

  .planner-switch {
    position: sticky;
    inset-block-start: var(--header-h);
    z-index: 20;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 4px;
    margin-block-end: var(--sp-4);
    padding-block: var(--sp-2);
    background: var(--c-grey-50);
  }

  .planner-switch-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 42px;
    border-radius: var(--r-md);
    background: var(--c-white);
    border: 1px solid var(--c-border);
    font-size: var(--fs-14);
    font-weight: var(--fw-semibold);
    color: var(--c-grey-600);
  }

  .planner-switch-btn .icon {
    width: 18px;
    height: 18px;
  }

  .planner-switch-btn[aria-selected="true"] {
    border-color: var(--c-navy-800);
    background: var(--c-navy-800);
    color: var(--c-white);
  }

  .planner-switch-btn .tab-count {
    background: var(--c-orange-500);
    color: var(--c-white);
  }

  .planner-grid {
    display: block;
  }

  .planner-chat,
  .planner-plan,
  .planner-side {
    display: none;
  }

  .planner[data-panel="chat"] .planner-chat { display: flex; }
  .planner[data-panel="plan"] .planner-plan { display: block; }
  .planner[data-panel="trip"] .planner-side { display: grid; grid-template-columns: minmax(0, 1fr); }

  .planner-chat {
    position: static;
    height: calc(100vh - var(--header-h) - 190px);
    min-height: 460px;
  }

  .planner-bar:not([hidden]) {
    display: flex;
  }

  .planner {
    padding-block-end: calc(var(--sp-12) + 40px);
  }
}

@media (max-width: 767px) {
  .planner-head .page-title {
    font-size: 1.5rem;
  }

  .planner-proto {
    font-size: var(--fs-12);
  }

  .planner-chat {
    height: calc(100vh - var(--header-h) - var(--bottom-nav-h) - 170px);
    min-height: 420px;
    margin-inline: calc(var(--gutter) * -0.5);
    border-radius: var(--r-lg);
  }

  .planner[data-panel="chat"] .planner-bar {
    display: none;
  }

  .plan-items {
    padding-inline-start: 10px;
    margin-inline-start: 6px;
  }

  .plan-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .plan-time {
    padding: 0;
  }

  .plan-card {
    grid-template-columns: 36px minmax(0, 1fr) auto;
    grid-template-areas:
      "icon body actions"
      "icon price price";
    align-items: start;
    gap: 6px var(--sp-3);
    padding: var(--sp-3);
  }

  .plan-icon { grid-area: icon; width: 36px; height: 36px; }
  .plan-card-body { grid-area: body; }
  .plan-card-actions { grid-area: actions; margin-block-start: -6px; margin-inline-end: -6px; }


  .plan-brief {
    padding: var(--sp-4);
  }

  .plan-brief .btn {
    width: 100%;
  }

  .plan-empty {
    padding: var(--sp-6) var(--sp-4);
  }
}

/* Desktop: all quick actions visible at once */
@media (min-width: 1024px) {
  .chat-actions {
    flex-wrap: wrap;
    overflow: visible;
  }
}