:root {
  --navy: #17305a;
  --turquoise: #63d0c3;
  --coral: #ff5b64;
  --lilac: #a98bca;
  --butter: #f4ee82;
  --pink: #f7b1d4;
  --text-dark: #18242c;
  --text-soft: rgba(24, 36, 44, 0.72);
  --panel-shadow: 0 18px 40px rgba(23, 48, 90, 0.14);
  --radius: 18px;
  --shell: min(1760px, calc(100vw - 24px));
  --calendar-text: #f8f8f0;
  --calendar-muted: rgba(248, 248, 240, 0.68);
  --calendar-line: rgba(244, 238, 130, 0.12);
  --calendar-line-strong: rgba(244, 238, 130, 0.20);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { 
  scrollbar-width: auto;
  scrollbar-color: rgba(23, 48, 90, 0.92) rgba(255, 255, 255, 0.26);
}
body, .day-list, .calendar-board {
  scrollbar-width: auto;
  scrollbar-color: rgba(23, 48, 90, 0.92) rgba(255, 255, 255, 0.26);
}
html::-webkit-scrollbar,
body::-webkit-scrollbar,
.day-list::-webkit-scrollbar,
.calendar-board::-webkit-scrollbar {
  width: 18px;
  height: 18px;
}
html::-webkit-scrollbar-track,
body::-webkit-scrollbar-track,
.day-list::-webkit-scrollbar-track,
.calendar-board::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.26);
  border-radius: 999px;
  border: 3px solid rgba(244, 238, 130, 0.30);
}
html::-webkit-scrollbar-thumb,
body::-webkit-scrollbar-thumb,
.day-list::-webkit-scrollbar-thumb,
.calendar-board::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(23, 48, 90, 0.98) 0%, rgba(255, 91, 100, 0.96) 48%, rgba(99, 208, 195, 0.96) 100%);
  border-radius: 999px;
  border: 3px solid rgba(255, 255, 255, 0.22);
  box-shadow: inset 0 0 0 1px rgba(244, 238, 130, 0.34);
}
html::-webkit-scrollbar-thumb:hover,
body::-webkit-scrollbar-thumb:hover,
.day-list::-webkit-scrollbar-thumb:hover,
.calendar-board::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, rgba(23, 48, 90, 1) 0%, rgba(255, 91, 100, 1) 52%, rgba(99, 208, 195, 1) 100%);
}
body {
  background: linear-gradient(180deg, var(--navy) 0 12px, var(--turquoise) 12px 33%, var(--coral) 33% 66%, var(--lilac) 66% 100%);
  color: var(--text-dark);
  font-family: 'DM Sans', sans-serif;
  -webkit-text-size-adjust: 100%;
}
input, select, textarea, button { font: inherit; }
button { cursor: pointer; }

.planner-app { padding: 16px 0 96px; }
.planner-shell { width: var(--shell); margin: 0 auto; display: grid; gap: 14px; }
.save-plan-btn {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 30;
  border: 0;
  border-radius: 999px;
  background: var(--navy);
  color: var(--butter);
  padding: 14px 20px;
  font-weight: 800;
  box-shadow: 0 16px 34px rgba(23, 48, 90, 0.28);
  transition: background .18s ease, color .18s ease, transform .18s ease;
}
.save-plan-btn:hover { filter: brightness(1.08); }
.save-plan-btn:disabled {
  opacity: .72;
  cursor: wait;
}
.save-plan-btn[data-mode="saved"] {
  background: #e7fff0;
  color: #124f2c;
}
.save-plan-btn[data-mode="saving"] {
  background: #fff2d8;
  color: #7a3b09;
}
.save-plan-btn[data-mode="dirty"] {
  background: #17305a;
  color: #f4ee82;
}
.save-plan-btn[data-mode="error"] {
  background: #ffe2e5;
  color: #7f0c16;
}

.planner-header,
.panel,
.calendar-panel {
  border-radius: var(--radius);
  box-shadow: var(--panel-shadow);
  border: 2px solid rgba(244, 238, 130, 0.55);
}

.theme-turquoise { background: var(--turquoise); }
.theme-lilac { background: rgba(169, 139, 202, 0.94); }
.theme-coral { background: rgba(255, 91, 100, 0.95); }
.theme-dark {
  background: linear-gradient(180deg, rgba(23,48,90,0.98) 0%, rgba(20,39,73,0.98) 100%);
  color: var(--calendar-text);
}

.planner-header {
  padding: 10px 14px;
  display: flex;
  justify-content: flex-start;
  gap: 12px;
  align-items: center;
}
.planner-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.planner-brand.compact {
  width: 100%;
  justify-content: space-between;
}
.planner-brand-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  width: 100%;
}
.planner-logo-wrap {
  width: 62px;
  height: 62px;
  border-radius: 18px;
  overflow: hidden;
  border: 3px solid var(--butter);
  box-shadow: 0 8px 18px rgba(23, 48, 90, 0.18);
  flex: 0 0 auto;
  background: rgba(255,255,255,0.35);
}
.planner-logo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.planner-nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 0;
}
.planner-nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(23,48,90,0.18);
  background: rgba(255,255,255,0.34);
  color: var(--navy);
  text-decoration: none;
  font-size: .82rem;
  font-weight: 700;
}
.planner-nav-link.active {
  background: var(--navy);
  color: var(--butter);
  border-color: var(--navy);
}

.eyebrow {
  margin: 0 0 8px;
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--butter);
  font-weight: 700;
}

.eyebrow.dark { color: var(--butter); }

h1, h2, h3, h4, p { margin-top: 0; }
h1, h2 {
  font-family: 'Bungee', sans-serif;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--butter);
}
h1 { margin-bottom: 0; font-size: clamp(1rem, 1.45vw, 1.28rem); line-height: 1.02; }
h2 { margin-bottom: 2px; font-size: clamp(1rem, 1.45vw, 1.28rem); line-height: 1.08; }
h3 { margin-bottom: 4px; font-size: .95rem; color: var(--butter); }

.intro,
.subtle,
label span,
.day-item-head span,
.calendar-tip { color: rgba(248,248,240,0.86); }

.autosave-box {
  min-width: 200px;
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(23,48,90,0.16);
  border: 1px solid rgba(23,48,90,0.18);
}
.autosave-label {
  display: block;
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: rgba(23,48,90,0.72);
  margin-bottom: 6px;
}
.panel { padding: 16px; }
.trip-meta-panel {
  max-width: 720px;
}
.notes-panel {
  display: grid;
  gap: 10px;
}
.notes-summary {
  list-style: none;
  cursor: pointer;
  color: #fffdf6;
  font-size: .82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .08em;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.notes-summary::-webkit-details-marker {
  display: none;
}
.trip-notes { display: grid; gap: 6px; margin-top: 0; }
label { display: grid; gap: 6px; }
label span {
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 700;
}
input, select, textarea {
  width: 100%;
  border: 1px solid rgba(244, 238, 130, 0.5);
  background: rgba(255,255,255,0.18);
  color: #fffdf6;
  border-radius: 12px;
  padding: 11px 12px;
  transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
input::placeholder,
textarea::placeholder { color: rgba(255,255,255,0.65); }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--butter);
  box-shadow: 0 0 0 3px rgba(244, 238, 130, 0.18);
  background: rgba(255,255,255,0.24);
}
textarea { min-height: 86px; resize: vertical; }
#notes { resize: none; overflow: hidden; min-height: 86px; }
option { color: #111; }

.planner-content-grid {
  display: grid;
  grid-template-columns: minmax(380px, 0.82fr) minmax(720px, 1.18fr);
  gap: 14px;
  align-items: start;
}

.section-head,
.calendar-toolbar,
.calendar-meta-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-end;
}
.section-head { margin-bottom: 12px; }

.day-list {
  display: grid;
  gap: 10px;
  max-height: calc(100vh - 180px);
  overflow: auto;
  padding-right: 2px;
}
.day-item {
  background: rgba(23,48,90,0.16);
  border: 1px solid rgba(244, 238, 130, 0.32);
  border-radius: 14px;
}
.day-item:nth-child(odd) {
  background: linear-gradient(180deg, rgba(67, 202, 188, 0.90) 0%, rgba(42, 170, 160, 0.88) 100%);
  border-color: rgba(19, 82, 100, 0.34);
  box-shadow: inset 8px 0 0 rgba(15, 70, 88, 0.34);
}
.day-item:nth-child(even) {
  background: linear-gradient(180deg, rgba(255, 116, 145, 0.92) 0%, rgba(233, 88, 128, 0.90) 100%);
  border-color: rgba(128, 29, 70, 0.30);
  box-shadow: inset 8px 0 0 rgba(122, 26, 67, 0.28);
}
.day-item-summary {
  list-style: none;
  cursor: pointer;
  padding: 10px 13px;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.day-item-summary::-webkit-details-marker {
  display: none;
}
.day-item-body {
  padding: 0 13px 13px;
}
.day-item.is-collapsed {
  border-radius: 14px;
}
.day-item.is-collapsed .day-item-summary {
  padding: 8px 12px;
}
.day-item.is-collapsed .day-item-head {
  margin-bottom: 0;
}
.day-item-head {
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.day-item-head h3,
.day-item-head span {
  color: #fffdf6;
}
.day-item-mainline {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  overflow: hidden;
}
.day-item-mainline h3 {
  margin: 0;
  flex: 0 0 auto;
}
.day-item-inline-route {
  min-width: 0;
  color: rgba(255,253,246,0.9);
  font-size: .82rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.day-item-count {
  min-width: 28px;
  height: 28px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.22);
  color: #fffdf6;
  font-size: .74rem;
}
.day-item-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.day-route-grid { margin-bottom: 10px; }
.day-item textarea { min-height: 74px; }
.day-collapse-btn {
  list-style: none;
  border: 1px solid rgba(255,255,255,0.26);
  background: rgba(23,48,90,0.18);
  color: #fffdf6;
  border-radius: 999px;
  padding: 8px 12px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: .74rem;
  font-weight: 800;
  white-space: nowrap;
  margin-top: 12px;
  width: 100%;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.day-collapse-btn::-webkit-details-marker {
  display: none;
}
.day-collapse-btn strong {
  min-width: 24px;
  height: 24px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.22);
  color: #fffdf6;
  font-size: .72rem;
}
.day-collapse-btn:hover {
  background: rgba(23,48,90,0.28);
}
.activity-editor {
  margin-top: 10px;
  display: grid;
  gap: 8px;
}
.activity-editor.collapsed {
  margin-top: 10px;
}
.activity-editor[open] .day-collapse-btn {
  border-bottom-left-radius: 18px;
  border-bottom-right-radius: 18px;
}
.activity-editor-shell {
  display: grid;
  gap: 8px;
  margin-top: 8px;
}
.activity-editor-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.activity-editor-head > span {
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 700;
  color: rgba(248,248,240,0.86);
}
.activity-list {
  display: grid;
  gap: 8px;
}
.activity-card {
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(244, 238, 130, 0.28);
  border-radius: 12px;
  padding: 10px;
  display: grid;
  gap: 8px;
}
.activity-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.activity-card-head strong {
  font-size: .74rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--butter);
}
.activity-card textarea {
  min-height: 56px;
}
.activity-card-actions {
  display: flex;
  gap: 6px;
}
.mini-btn {
  border: 1px solid rgba(244, 238, 130, 0.42);
  border-radius: 999px;
  padding: 6px 10px;
  background: rgba(23,48,90,0.22);
  color: #fffdf6;
  font-size: .72rem;
  font-weight: 700;
}
.mini-btn.danger {
  border-color: rgba(255,255,255,0.22);
  background: rgba(23,48,90,0.32);
}
.activity-empty {
  font-size: .78rem;
  color: rgba(255,255,255,0.78);
  padding: 6px 2px;
}

.calendar-panel {
  padding: 14px;
  overflow: hidden;
}
.calendar-toolbar h2,
.calendar-panel p { color: var(--calendar-text); }
.calendar-nav-wrap,
.calendar-nav { display: flex; gap: 8px; align-items: center; }
.calendar-nav-wrap { flex-wrap: wrap; justify-content: flex-end; }
.calendar-nav-btn,
.calendar-today-btn,
.new-event-seed {
  border: 1px solid rgba(244, 238, 130, 0.35);
  border-radius: 10px;
  padding: 8px 11px;
  font-size: .84rem;
  font-weight: 700;
}
.calendar-nav-btn,
.calendar-today-btn {
  background: rgba(255,255,255,0.08);
  color: var(--calendar-text);
}
.new-event-seed {
  background: var(--pink);
  color: var(--navy);
}
.calendar-week-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  background: rgba(244, 238, 130, 0.92);
  color: var(--navy);
  padding: 5px 10px;
  font-size: .78rem;
  font-weight: 800;
  box-shadow: inset 0 0 0 1px rgba(23,48,90,0.12);
}
.calendar-tip { font-size: .78rem; }
.calendar-meta-row { margin: 10px 0 12px; align-items: center; }

.calendar-board {
  height: 680px;
  overflow: auto;
  border-radius: 12px;
  border: 1px solid rgba(244, 238, 130, 0.18);
  background: rgba(6, 18, 37, 0.22);
}
.calendar-grid {
  display: grid;
  grid-template-columns: 64px minmax(770px, 1fr);
  grid-template-rows: auto 1fr;
  min-width: 834px;
}
.calendar-corner {
  border-right: 1px solid var(--calendar-line-strong);
  border-bottom: 1px solid var(--calendar-line-strong);
  color: var(--calendar-muted);
  padding: 8px 8px;
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .12em;
}
.calendar-day-headers {
  display: grid;
  grid-template-columns: repeat(7, minmax(110px, 1fr));
  border-bottom: 1px solid var(--calendar-line-strong);
}
.calendar-day-header {
  background: transparent;
  color: var(--calendar-text);
  border: 0;
  border-right: 1px solid var(--calendar-line);
  padding: 8px 6px;
  display: grid;
  gap: 1px;
  text-align: center;
}
.calendar-day-header strong {
  font-family: 'Bungee', sans-serif;
  font-size: .88rem;
  letter-spacing: .03em;
  color: var(--butter);
}
.calendar-day-header small,
.time-label,
.all-day-empty,
.calendar-event-time { color: var(--calendar-muted); }
.all-day-chip span {
  color: rgba(23, 48, 90, 0.74);
  font-weight: 700;
  letter-spacing: .04em;
}
.calendar-day-header.selected { background: rgba(244, 238, 130, 0.10); }
.calendar-time-column {
  border-right: 1px solid var(--calendar-line-strong);
  display: grid;
  grid-template-rows: 92px repeat(17, 44px);
}
.time-label {
  font-size: .68rem;
  padding: 0 8px;
  border-bottom: 1px solid var(--calendar-line);
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  padding-top: 5px;
}
.time-label.all-day {
  align-items: center;
  justify-content: flex-end;
  font-size: .62rem;
  letter-spacing: .12em;
}
.calendar-days-area {
  display: grid;
  grid-template-columns: repeat(7, minmax(110px, 1fr));
}
.calendar-day-column {
  border-right: 1px solid var(--calendar-line);
  position: relative;
  overflow: hidden;
}
.calendar-day-column.selected { background: rgba(255,255,255,0.02); }
.all-day-lane {
  min-height: 92px;
  border-bottom: 1px solid var(--calendar-line-strong);
  padding: 6px;
  display: grid;
  align-content: start;
  gap: 5px;
}
.all-day-empty {
  font-size: .72rem;
  padding-top: 4px;
}
.all-day-chip {
  border-radius: 8px;
  padding: 6px 7px;
  display: grid;
  gap: 1px;
  color: var(--navy);
  background: var(--butter);
}
.all-day-chip.activity {
  background: var(--turquoise);
  color: var(--navy);
  cursor: grab;
}
.all-day-chip.derived {
  background: var(--butter);
  color: var(--navy);
}
.all-day-chip strong {
  font-size: .74rem;
  color: #FF5B64;
}
.all-day-chip p {
  margin: 0;
  font-size: .68rem;
  line-height: 1.28;
  color: rgba(23, 48, 90, 0.82);
}
.day-timeline { position: relative; overflow: hidden; }
.hour-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--calendar-line);
}
.calendar-event,
.drop-preview {
  position: absolute;
  left: 4px;
  right: 4px;
  border-radius: 8px;
  padding: 5px 6px;
}
.calendar-event {
  background: linear-gradient(180deg, var(--coral) 0%, #ef4452 100%);
  color: #fffdf6;
  box-shadow: 0 8px 20px rgba(0,0,0,0.20);
  overflow: hidden;
  cursor: grab;
}
.calendar-day-column:nth-child(2n) .calendar-event {
  background: linear-gradient(180deg, var(--pink) 0%, #ef8fc4 100%);
  color: var(--navy);
}
.calendar-day-column:nth-child(3n) .calendar-event {
  background: linear-gradient(180deg, var(--turquoise) 0%, #42c2b2 100%);
  color: var(--navy);
}
.calendar-event strong {
  display: block;
  margin: 1px 0 1px;
  font-size: .73rem;
  line-height: 1.18;
}
.calendar-event-actions {
  display: flex;
  justify-content: flex-end;
  margin: -1px -2px 2px 0;
}
.calendar-event-menu-btn {
  border: 0;
  background: rgba(255,255,255,0.18);
  color: inherit;
  border-radius: 999px;
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  line-height: 1;
  padding: 0;
}
.calendar-event-menu-btn:hover {
  background: rgba(255,255,255,0.28);
}
.calendar-event p {
  margin: 0;
  font-size: .63rem;
  line-height: 1.2;
  opacity: .96;
}
.calendar-event-time {
  font-size: .58rem;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.day-timeline.drag-over,
.all-day-lane.drag-over {
  background: rgba(244, 238, 130, 0.08);
}
.drop-preview {
  background: rgba(244, 238, 130, 0.26);
  border: 1px dashed rgba(244, 238, 130, 0.85);
  pointer-events: none;
}
.context-menu {
  position: fixed;
  z-index: 80;
  min-width: 180px;
  background: rgba(10, 18, 34, 0.98);
  color: #fffdf6;
  border: 1px solid rgba(244, 238, 130, 0.24);
  border-radius: 12px;
  box-shadow: 0 18px 36px rgba(0,0,0,0.34);
  padding: 6px;
}
.context-menu-list {
  display: grid;
  gap: 4px;
}
.context-menu-btn {
  width: 100%;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  padding: 10px 12px;
  border-radius: 9px;
  font-size: .86rem;
  font-weight: 700;
}
.context-menu-btn:hover {
  background: rgba(244, 238, 130, 0.12);
}
.context-menu-btn.danger {
  color: #ffc4c7;
}

@media (max-width: 1500px) {
  .trip-meta-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .planner-content-grid { grid-template-columns: 1fr; }
  .day-list { max-height: none; }
}

@media (max-width: 820px) {
  .planner-app { padding: 10px 0 92px; }
  .planner-shell { width: min(100vw - 10px, 1760px); gap: 10px; }
  .planner-header,
  .panel,
  .calendar-panel { padding: 12px; border-radius: 14px; }
  .planner-brand,
  .planner-brand.compact,
  .planner-brand-copy,
  .planner-header,
  .section-head,
  .calendar-toolbar,
  .calendar-meta-row,
  .calendar-nav-wrap { flex-direction: column; align-items: stretch; }
  .planner-logo-wrap { width: 56px; height: 56px; border-radius: 16px; }
  .planner-nav { gap: 8px; }
  .trip-meta-grid,
  .day-item-grid { grid-template-columns: 1fr; }
  .calendar-board { height: 560px; }
  .calendar-grid { min-width: 790px; }
  h1 { font-size: clamp(1.05rem, 6vw, 1.35rem); }
}

.planner-nav-link {
  cursor: pointer;
  font-family: inherit;
}
.planner-nav-link[hidden] { display: none; }
#panelAgenda { width: 100%; }

.resize-handle {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 10px;
  cursor: s-resize;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0 0 8px 8px;
}
.resize-handle::after {
  content: '';
  width: 28px;
  height: 3px;
  background: rgba(255,255,255,0.45);
  border-radius: 2px;
}
.resize-handle:hover::after {
  background: rgba(255,255,255,0.85);
}