/* Tripollo web: "the group postcard". Tokens mirror docs/design.md (light + dark). */
@font-face { font-family: "Yatra One"; src: url("/fonts/YatraOne-Regular.woff") format("woff"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Mukta"; src: url("/fonts/Mukta-Regular.woff") format("woff"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Mukta"; src: url("/fonts/Mukta-Bold.woff") format("woff"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Kalam"; src: url("/fonts/Kalam-Regular.woff") format("woff"); font-weight: 400; font-display: swap; }

:root {
  --ground: #FBF3E4; --ground-deep: #F3E4C8; --card: #FFFCF6; --card-raised: #FFFFFF;
  --ink: #17293A; --muted: #56606E;
  --primary: #0B6FB0; --on-primary: #FFFFFF; --primary-text: #085487; --primary-tint: #DDEEFA;
  --accent: #FF6A55; --accent-text: #A8361F; --accent-tint: #FFE3DB;
  --sun: #FFBF3F; --sun-text: #7A5300; --sun-tint: #FFF0C9;
  --palm: #1E8A5A; --palm-tint: #DCF3E5; --danger: #B8322A;
  --hairline: #EADBC0; --doodle: #C9B48E; --night: #17293A;
  --shadow: 0 6px 18px rgba(138, 106, 58, .10);
  --radius: 22px; --radius-sm: 16px; --radius-field: 14px;
  --display: "Yatra One", "Mukta", system-ui, sans-serif;
  --ui: "Mukta", system-ui, -apple-system, "Segoe UI", sans-serif;
  --hand: "Kalam", "Mukta", cursive;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ground: #0D1B2A; --ground-deep: #0A1622; --card: #15283B; --card-raised: #1C3349;
    --ink: #F6EEDF; --muted: #A9B6C4;
    --primary: #4BA8EA; --on-primary: #04182A; --primary-text: #9FD4FF; --primary-tint: #16395A;
    --accent: #FF7E6B; --accent-text: #FFC2B6; --accent-tint: #4A2622;
    --sun: #FFC85C; --sun-text: #FFE2A3; --sun-tint: #45370F;
    --palm: #5FD39A; --palm-tint: #133D2C; --danger: #FF9A8B;
    --hairline: #24405A; --doodle: #3C5A78; --night: #06111C;
    --shadow: none;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--ground); color: var(--ink); font: 400 16px/1.5 var(--ui);
  -webkit-tap-highlight-color: transparent; overflow-x: hidden;
  background-image: radial-gradient(circle at 1px 1px, color-mix(in srgb, var(--doodle) 35%, transparent) 1px, transparent 0);
  background-size: 22px 22px;
}
main { max-width: 640px; margin: 0 auto; padding: 8px 16px 24px; }
a { color: var(--primary-text); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 8px; }
p { margin: 0 0 12px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--card); padding: 8px 12px; border-radius: 10px; }
.skip:focus { left: 8px; z-index: 10; }
:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; border-radius: 8px; }

/* Header and footer */
.top { max-width: 640px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; padding: 14px 16px 6px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); min-height: 44px; }
.brand-name { font: 400 26px/1 var(--display); }
.lang { font-weight: 700; text-decoration: none; padding: 10px 14px; border-radius: 999px; background: var(--card); border: 1px solid var(--hairline); min-height: 44px; display: inline-flex; align-items: center; }
.foot { max-width: 640px; margin: 8px auto 0; padding: 16px 16px 36px; text-align: center; color: var(--muted); font-size: 14px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 4px 16px; justify-content: center; margin: 6px 0; }
.foot-links a, .foot-studio a { color: var(--muted); padding: 8px 2px; display: inline-block; }
.foot-copy { margin: 0; }

/* The stamp mark */
.sm-paper { fill: var(--card-raised); stroke: var(--hairline); }
.sm-sky { fill: var(--primary); }
.sm-sun { fill: var(--accent); }
.sm-sea { fill: #FFFFFF; opacity: .9; }
.sm-sea2 { fill: var(--primary-tint); }
.sm-route { stroke: var(--sun); stroke-width: 2.4; stroke-dasharray: 3 4; stroke-linecap: round; }
.sm-pin { fill: var(--sun); }

/* Type */
.display { font: 400 clamp(30px, 8vw, 40px)/1.15 var(--display); letter-spacing: .2px; }
.title { font: 800 21px/1.25 var(--ui); }
.small-title { font: 700 17px/1.3 var(--ui); }
.overline { font: 800 12px/1.2 var(--ui); letter-spacing: .6px; text-transform: uppercase; color: var(--accent-text); margin-bottom: 6px; }
:lang(hi) .overline { text-transform: none; letter-spacing: 0; font-size: 13px; }
.lead { font-size: 18px; }
.muted { color: var(--muted); }
.small { font-size: 14px; }
.hand { font-family: var(--hand); }
.label { display: block; font-weight: 700; margin: 16px 0 8px; }
.error { color: var(--danger); font-weight: 700; margin: 8px 0 0; }
.error-card { background: var(--accent-tint); color: var(--accent-text); padding: 12px 16px; border-radius: var(--radius-sm); margin: 0 0 12px; }

/* Postcards */
.postcard {
  position: relative; background: var(--card); border: 1px solid var(--hairline); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 20px; margin: 16px 0;
}
.tilt-l { transform: rotate(-.8deg); }
.tilt-r { transform: rotate(.8deg); }
@media (prefers-reduced-motion: reduce) { .tilt-l, .tilt-r { transform: none; } }
.center { text-align: center; }
.postmark {
  position: absolute; top: 16px; right: 16px; width: 58px; height: 58px; border-radius: 50%;
  border: 2px dashed var(--accent); color: var(--accent-text); display: grid; place-items: center;
  font: 400 16px/1 var(--display); transform: rotate(12deg); opacity: .9;
}
.trip-name { padding-right: 64px; }
.trip-vibe { font-size: 19px; color: var(--muted); }

/* Landing */
.hero { display: grid; gap: 8px; overflow: hidden; }
.hero-art { display: flex; align-items: center; gap: 8px; }
.hero-art .stamp-mark { flex: none; transform: rotate(6deg); }
.route-doodle { width: 100%; max-width: 220px; height: auto; }
.route-doodle path { stroke: var(--doodle); stroke-width: 3; stroke-dasharray: 6 8; stroke-linecap: round; }
.route-doodle text { fill: var(--accent-text); font-size: 18px; }
.steps { display: grid; gap: 0; }
.step { padding-left: 76px; }
.step h2 { font: 800 19px/1.3 var(--ui); }
.step-stamp {
  position: absolute; left: 18px; top: 20px; width: 44px; height: 44px; border-radius: 10px; display: grid; place-items: center;
  background: var(--sun-tint); color: var(--sun-text); font: 400 24px/1 var(--display);
  outline: 2px dashed var(--sun); outline-offset: 3px;
}
.promise { background: var(--primary-tint); border-color: transparent; }
.promise h2 { font: 400 26px/1.2 var(--display); color: var(--primary-text); }
@media (min-width: 560px) { .hero { grid-template-columns: 1.4fr 1fr; align-items: center; } .hero-art { flex-direction: column; } }

/* Buttons and fields */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 52px; padding: 12px 22px;
  border-radius: 999px; border: 0; font: 700 17px/1.2 var(--ui); text-decoration: none; cursor: pointer;
  transition: transform .12s ease;
}
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--primary); color: var(--on-primary); }
.btn-primary:disabled { opacity: .6; }
.btn-ghost { background: transparent; color: var(--primary-text); border: 2px solid var(--primary); }
.btn-wide { width: 100%; margin-top: 12px; }
.link-btn { background: none; border: 0; color: var(--primary-text); font: 700 15px/1 var(--ui); padding: 12px 4px; min-height: 44px; cursor: pointer; }
.link-btn.danger { color: var(--danger); }
.stores { display: flex; flex-wrap: wrap; gap: 10px; margin: 12px 0 4px; }
.field {
  width: 100%; min-height: 50px; padding: 12px 14px; border-radius: var(--radius-field); border: 1.5px solid var(--hairline);
  background: var(--card-raised); color: var(--ink); font: 400 17px/1.3 var(--ui);
}
.field:focus { border-color: var(--primary); outline: none; box-shadow: 0 0 0 3px var(--primary-tint); }
.field.invalid { border-color: var(--danger); }
textarea.field { resize: vertical; }
select.field { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 14px) 50%; background-size: 6px 6px; background-repeat: no-repeat; }

/* Invite */
.facts { margin: 16px 0; display: grid; gap: 10px; }
.facts div { display: grid; grid-template-columns: 96px 1fr; gap: 8px; }
.facts dt { color: var(--muted); font-weight: 700; font-size: 14px; }
.facts dd { margin: 0; }
.signatures { border-top: 2px dashed var(--hairline); padding-top: 12px; }
.avatars { list-style: none; padding: 0; margin: 8px 0 0; display: flex; flex-wrap: wrap; gap: 12px; }
.avatars li { display: flex; flex-direction: column; align-items: center; gap: 4px; width: 58px; }
.av-name { font-size: 13px; color: var(--muted); max-width: 58px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.avatar { position: relative; width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; font: 800 18px/1 var(--ui); color: #17293A; }
.av-0 { background: #FF8A70; } .av-1 { background: #4BA8EA; } .av-2 { background: #5FC08C; } .av-3 { background: #F7B538; }
.av-4 { background: #B07CD8; } .av-5 { background: #FF9EC0; } .av-6 { background: #3CC3C0; } .av-7 { background: #F2864B; }
.av-tick { position: absolute; right: -4px; bottom: -4px; width: 20px; height: 20px; border-radius: 50%; background: var(--palm); color: #fff; font-size: 12px; display: grid; place-items: center; border: 2px solid var(--card); }
.locked-card, .done-card, .message { text-align: center; }
.big-stamp {
  width: 88px; height: 88px; margin: 0 auto 12px; border-radius: 50%; display: grid; place-items: center; font-size: 40px;
  color: var(--accent); border: 4px double var(--accent); transform: rotate(-10deg);
  animation: thunk .26s ease-out;
}
@keyframes thunk { from { transform: scale(1.25) rotate(-14deg); opacity: .4; } to { transform: scale(1) rotate(-10deg); opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .big-stamp { animation: none; } }
.app-card { background: var(--sun-tint); border-color: transparent; }

/* Questionnaire */
.route { list-style: none; display: flex; justify-content: space-between; align-items: center; padding: 0; margin: 14px 0 6px; position: relative; }
.route::before { content: ""; position: absolute; left: 8px; right: 8px; top: 50%; border-top: 3px dotted var(--doodle); }
.route li { position: relative; width: 16px; height: 16px; border-radius: 50%; background: var(--card); border: 3px solid var(--doodle); }
.route li.done { background: var(--palm); border-color: var(--palm); }
.route li.here { background: var(--accent); border-color: var(--accent); transform: scale(1.3); }
fieldset.step-card { border: 1px solid var(--hairline); min-width: 0; }
fieldset legend { float: left; width: 100%; padding: 0; margin-bottom: 6px; }
fieldset legend + * { clear: both; }
.budget { margin: 12px 0; }
.budget-values { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.budget-values b { font: 400 26px/1.1 var(--display); display: block; }
.budget-values small { color: var(--muted); font-weight: 700; }
input[type=range] { width: 100%; height: 44px; accent-color: var(--primary); background: transparent; }
.note-private { background: var(--primary-tint); color: var(--primary-text); border-radius: var(--radius-sm); padding: 10px 14px; font-size: 14px; margin-top: 14px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { position: relative; display: inline-flex; }
.chip input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.chip span {
  display: inline-flex; align-items: center; min-height: 44px; padding: 10px 16px; border-radius: 999px;
  background: var(--card-raised); border: 1.5px solid var(--hairline); font-weight: 700; font-size: 15px; transition: transform .18s cubic-bezier(.34,1.56,.64,1);
}
.chip input:checked + span { background: var(--primary-tint); border-color: var(--primary); color: var(--primary-text); transform: scale(1.03); }
.chip input:focus-visible + span { outline: 3px solid var(--primary); outline-offset: 2px; }
.chips-coral .chip input:checked + span { background: var(--accent-tint); border-color: var(--accent); color: var(--accent-text); }
.modes { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 12px; }
.mode-free input:checked + span { background: var(--palm-tint); border-color: var(--palm); color: var(--ink); }
.mode-busy input:checked + span { background: var(--accent-tint); border-color: var(--accent); color: var(--accent-text); }
.mode-off input:checked + span { background: var(--sun-tint); border-color: var(--sun); color: var(--sun-text); }
.toggle { display: flex; align-items: center; gap: 12px; min-height: 48px; font-weight: 700; cursor: pointer; }
.toggle input { width: 24px; height: 24px; accent-color: var(--primary); flex: none; }
.toggle.small { font-size: 15px; min-height: 44px; }
.calendar { display: grid; gap: 16px; margin: 8px 0; }
.month h3 { font: 800 16px/1.3 var(--ui); margin-bottom: 8px; }
.grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.wd { text-align: center; font-size: 12px; color: var(--muted); font-weight: 700; }
.day {
  aspect-ratio: 1; min-height: 40px; border-radius: 12px; border: 1px solid var(--hairline); background: var(--card-raised);
  color: var(--ink); font: 700 15px/1 var(--ui); cursor: pointer; padding: 0;
}
.day.weekend { background: var(--ground-deep); }
.day:disabled { opacity: .3; cursor: default; }
.day.is-free { background: var(--palm); border-color: var(--palm); color: #fff; }
.day.is-busy { background: var(--accent); border-color: var(--accent); color: #fff; text-decoration: line-through; }
.day.is-off { background: var(--sun); border-color: var(--sun); color: #3B2900; }
.row { margin-top: 8px; }
.stepper { display: inline-flex; align-items: center; border: 1.5px solid var(--hairline); border-radius: 999px; background: var(--card-raised); overflow: hidden; }
.stepper button { width: 48px; height: 48px; border: 0; background: transparent; color: var(--primary-text); font: 700 22px/1 var(--ui); cursor: pointer; }
.stepper input { width: 52px; height: 48px; border: 0; text-align: center; font: 700 18px/1 var(--ui); background: transparent; color: var(--ink); -moz-appearance: textfield; }
.stepper input::-webkit-inner-spin-button, .stepper input::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
.stepper input:disabled { opacity: .4; }
.nights { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; }
.vibes { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 8px; }
@media (min-width: 420px) { .vibes { grid-template-columns: repeat(3, 1fr); } }
.vibe {
  min-height: 76px; border-radius: var(--radius-sm); border: 1.5px solid var(--hairline); background: var(--card-raised); color: var(--ink);
  display: flex; flex-direction: column; align-items: flex-start; justify-content: space-between; padding: 12px; text-align: left;
  font: 700 16px/1.2 var(--ui); cursor: pointer; transition: transform .18s cubic-bezier(.34,1.56,.64,1);
}
.vibe[data-w="1"] { background: var(--primary-tint); border-color: var(--primary); }
.vibe[data-w="2"] { background: var(--accent-tint); border-color: var(--accent); transform: rotate(-1.5deg); }
.vibe-state { font: 400 14px/1 var(--hand); color: var(--accent-text); min-height: 14px; }
.vibe[data-w="1"] .vibe-state { color: var(--primary-text); }
.summary { display: grid; gap: 4px; margin: 12px 0; }
.summary dt { display: flex; justify-content: space-between; align-items: center; font-weight: 800; border-top: 1px dashed var(--hairline); padding-top: 6px; }
.summary dd { margin: 0 0 6px; color: var(--muted); }
.nav-bar {
  position: sticky; bottom: 0; display: flex; justify-content: space-between; gap: 12px; padding: 12px 0 calc(12px + env(safe-area-inset-bottom));
  background: linear-gradient(to top, var(--ground) 70%, transparent);
}
.nav-bar .btn { flex: 1; }
.delete-form { text-align: center; margin-top: 8px; }

/* Policy pages */
.prose h1 { font: 400 30px/1.2 var(--display); }
.prose h2 { font: 800 19px/1.3 var(--ui); margin-top: 22px; }
.prose li { margin-bottom: 6px; }
.prose ul { padding-left: 22px; }