:root {
    --bg: #1a1024; --bg2: #120a1a; --card: rgba(255,255,255,.06); --line: rgba(255,255,255,.17);
    --ink: #f7f1fb; --muted: #c4b2d2; --accent: #c084fc; --accent-ink: #1f0a33; --field: rgba(255,255,255,.08);
    --good: #4ade80; --good-bg: rgba(74,222,128,.12); --bad: #fda4af; --soft: rgba(192,132,252,.14);
    color-scheme: dark;
}
@media (prefers-color-scheme: light) {
    :root { --bg: #faf5ff; --bg2: #f3e8ff; --card: #fff; --line: #e4d4f2; --ink: #22132f; --muted: #644e75;
            --accent: #7e22ce; --accent-ink: #fff; --field: #fbf7fe; --good: #15803d; --good-bg: #ecfdf3; --bad: #be123c; --soft: #f3e8ff; color-scheme: light; }
}
:root[data-theme="light"] { --bg: #faf5ff; --bg2: #f3e8ff; --card: #fff; --line: #e4d4f2; --ink: #22132f; --muted: #644e75;
            --accent: #7e22ce; --accent-ink: #fff; --field: #fbf7fe; --good: #15803d; --good-bg: #ecfdf3; --bad: #be123c; --soft: #f3e8ff; color-scheme: light; }
:root[data-theme="dark"] {
    --bg: #1a1024; --bg2: #120a1a; --card: rgba(255,255,255,.06); --line: rgba(255,255,255,.17);
    --ink: #f7f1fb; --muted: #c4b2d2; --accent: #c084fc; --accent-ink: #1f0a33; --field: rgba(255,255,255,.08);
    --good: #4ade80; --good-bg: rgba(74,222,128,.12); --bad: #fda4af; --soft: rgba(192,132,252,.14);
    color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; padding: clamp(1rem,4vw,2.5rem) 1rem 4rem; display: flex; justify-content: center;
       font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--ink);
       background: var(--bg2) linear-gradient(180deg, var(--bg), var(--bg2) 900px) no-repeat; touch-action: manipulation; }
.app { width: min(580px, 100%); min-width: 0; display: flex; flex-direction: column; }
.col-main, .col-side { display: contents; }
.app > .topbar, .app > .back { order: 0; }
.app > header { order: 1; }
.trip-card { order: 2; }
.result { order: 3; }
.list-card { order: 4; }
.tools { order: 5; }
.app > .faq { order: 6; }
.app > footer { order: 7; }
header { text-align: center; margin-bottom: 1.1rem; }
h1 { margin: 0; font-size: 1.85rem; line-height: 1.2; letter-spacing: -.02em; }
.sub { margin: .4rem 0 0; color: var(--muted); font-size: 1rem; }
h2 { margin: 0 0 .7rem; font-size: 1.15rem; }
h2:focus { outline: none; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 1.1rem; margin-bottom: .9rem; min-width: 0; }
label { display: block; margin: .9rem 0 .35rem; font-size: .9rem; font-weight: 600; color: var(--muted); }
.opt { font-weight: 400; }
input[type=text], select { width: 100%; min-width: 0; min-height: 48px; padding: .6rem .8rem; font: inherit; font-size: 1.05rem; color: var(--ink);
       background: var(--field); border: 1px solid var(--line); border-radius: 12px; }
select { padding-right: .4rem; }
select:disabled { opacity: .6; }
select option { color: #111; background: #fff; }
input:focus-visible, button:focus-visible, select:focus-visible, summary:focus-visible, a:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
::placeholder { color: var(--muted); opacity: .75; }
.hint { margin: .45rem 0 0; color: var(--muted); font-size: .88rem; }
.lead { margin: 0 0 .8rem; }
[hidden] { display: none !important; }

/* buttons */
.primary, .secondary, .danger, .ghost { display: flex; align-items: center; justify-content: center; width: 100%; min-height: 48px; padding: .5rem .8rem; border-radius: 12px;
       font: inherit; font-weight: 700; text-align: center; text-decoration: none; cursor: pointer; }
.primary { border: 0; background: var(--accent); color: var(--accent-ink); }
.secondary { border: 1px solid var(--line); background: var(--field); color: var(--ink); font-weight: 600; }
.secondary:disabled { opacity: .5; cursor: default; }
.ghost { border: 1px dashed var(--accent); background: transparent; color: var(--ink); font-weight: 600; }
.danger { border: 1px solid var(--bad); background: transparent; color: var(--bad); font-weight: 600; }
.link { display: block; min-height: 44px; margin-top: .4rem; padding: 0 .1rem; border: 0; background: none; color: var(--accent); font: inherit; font-size: .95rem; font-weight: 600; text-align: left; cursor: pointer; }
.err { margin: .6rem 0 0; color: var(--bad); font-weight: 600; }
.err:empty { margin: 0; }
.msg { margin: .5rem 0 0; color: var(--muted); font-size: .92rem; overflow-wrap: anywhere; }
.msg:empty { margin: 0; }
.msg button { min-height: 40px; margin-left: .4rem; padding: 0 .8rem; border: 1px solid var(--accent); border-radius: 10px; background: none; color: var(--accent); font: inherit; font-weight: 700; cursor: pointer; }
.two { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: .6rem; }
.form-btns { display: grid; grid-template-columns: minmax(0, 1fr); gap: .5rem; margin-top: 1rem; }
.form-btns:has(> :nth-child(2):not([hidden])) { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }

/* trip form */
#intro { margin-bottom: 1.1rem; padding-bottom: 1.1rem; border-bottom: 1px solid var(--line); }
.step { display: flex; align-items: center; gap: .55rem; margin: 1.1rem 0 .3rem; }
#intro + .step { margin-top: 0; }
.step span { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); font-size: .95rem; flex: none; }
.people { list-style: none; margin: .5rem 0 0; padding: 0; display: grid; gap: .6rem; }
.person { border: 1px solid var(--line); border-left: 5px solid var(--accent); border-radius: 12px; padding: .55rem .8rem .8rem; background: var(--field); min-width: 0; }
.person label { margin-top: .4rem; }
.p-top { display: flex; align-items: center; justify-content: space-between; gap: .5rem; min-height: 40px; }
.p-num { font-weight: 700; }
.p-remove { min-height: 40px; padding: 0 .9rem; border-radius: 10px; border: 1px solid var(--line); background: transparent; color: var(--ink); font: inherit; font-size: .9rem; font-weight: 600; cursor: pointer; }
.nights-row { display: flex; align-items: center; gap: .6rem; }
input.short { width: 7rem; }
.nights-row input { width: 7rem; flex: none; font-weight: 700; }
.unit { color: var(--muted); font-weight: 600; }
.chips { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .55rem; }
.chips button { min-height: 40px; min-width: 44px; padding: 0 .8rem; border-radius: 999px; border: 1px solid var(--line); background: var(--field); color: var(--ink); font: inherit; font-size: .92rem; font-weight: 600; cursor: pointer; }
.chips button[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
fieldset { border: 0; margin: 1rem 0 0; padding: 0; min-width: 0; }
legend { padding: 0; margin-bottom: .45rem; font-size: .9rem; font-weight: 600; color: var(--muted); }
legend span { font-weight: 400; }
.toggles { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: .45rem; }
.toggles.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.toggles label { display: flex; align-items: center; gap: .5rem; margin: 0; min-height: 46px; padding: .4rem .7rem; border: 1px solid var(--line); border-radius: 12px; background: var(--field);
       color: var(--ink); font-size: .95rem; font-weight: 600; cursor: pointer; line-height: 1.25; }
.toggles label:has(input:checked) { border-color: var(--accent); background: var(--soft); }
.toggles input, .check input { flex: none; width: 20px; height: 20px; margin: 0; accent-color: var(--accent); }
.checks { margin-top: .8rem; display: grid; gap: .1rem; }
.check { display: flex; align-items: center; gap: .6rem; margin: 0; min-height: 44px; color: var(--ink); font-size: .97rem; font-weight: 500; cursor: pointer; line-height: 1.3; }
.check.small { min-height: 40px; font-size: .92rem; color: var(--muted); }
#name-box label { margin-top: .4rem; }

/* trip summary */
.trip-name { margin: -.3rem 0 .3rem; font-weight: 700; font-size: 1.1rem; overflow-wrap: anywhere; }
.trip-line { margin: 0; overflow-wrap: anywhere; }
.trip-people { margin: .3rem 0 .9rem; color: var(--muted); overflow-wrap: anywhere; }

/* progress */
.big-label { margin: 0; font-size: .95rem; font-weight: 600; color: var(--muted); }
.big { margin: .05rem 0 .4rem; font-size: clamp(2.2rem, 11vw, 3rem); font-weight: 800; letter-spacing: -.02em; color: var(--accent); font-variant-numeric: tabular-nums; line-height: 1.15; }
.big.none { font-size: 1.7rem; color: var(--muted); }
.bar { height: 12px; border-radius: 99px; background: var(--field); border: 1px solid var(--line); overflow: hidden; }
.bar i { display: block; height: 100%; width: 0; background: var(--accent); border-radius: 99px; transition: width .2s; }
.result.done .bar i { background: var(--good); }
.result.done .big { color: var(--good); }
.meta { margin: .5rem 0 0; font-weight: 600; }
.result.done .meta { color: var(--good); }
.who-left { list-style: none; margin: .6rem 0 0; padding: 0; display: grid; gap: .3rem; }
.who-left:empty { display: none; }
.who-left li { display: flex; justify-content: space-between; gap: .6rem; padding: .4rem .7rem; border-radius: 10px; background: var(--field); border: 1px solid var(--line); font-size: .93rem; }
.who-left li span { overflow-wrap: anywhere; min-width: 0; }
.who-left li b { flex: none; white-space: nowrap; }
.who-left li.ok b { color: var(--good); }
.jobs { margin: .6rem 0 0; color: var(--muted); font-size: .93rem; }

/* the list: each person in their own bordered box */
.list-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0 .8rem; }
.list-head h2 { margin: 0; }
.list-hint { margin: .2rem 0 .8rem; }
#groups { display: grid; gap: .8rem; }
.group { border: 1px solid var(--line); border-top: 5px solid var(--accent); border-radius: 14px; padding: .7rem .8rem .8rem; background: var(--field); min-width: 0; }
.group.home { border-top-color: var(--muted); }
.g-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: .1rem .5rem; margin: 0 0 .2rem; font-size: 1.1rem; }
.g-title { overflow-wrap: anywhere; min-width: 0; }
.g-kind { color: var(--muted); font-size: .85rem; font-weight: 600; }
.g-count { margin-left: auto; color: var(--muted); font-size: .88rem; font-weight: 600; white-space: nowrap; }
.s-head { margin: .7rem 0 .3rem; font-size: .82rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.items { list-style: none; margin: 0; padding: 0; display: grid; gap: .3rem; }
.item { display: flex; align-items: center; gap: .4rem; border: 1px solid var(--line); border-radius: 10px; padding: .1rem .3rem .1rem .6rem; background: var(--card); min-width: 0; }
.item.got .i-name { text-decoration: line-through; text-decoration-thickness: 1.5px; color: var(--muted); }
.item.got { opacity: .85; }
.item.editing { display: block; padding: .5rem .7rem .7rem; outline: 3px solid var(--accent); outline-offset: 1px; }
.item.gone { justify-content: space-between; flex-wrap: wrap; color: var(--muted); padding: .35rem .5rem .35rem .7rem; }
.item.gone span { overflow-wrap: anywhere; min-width: 0; }
.item.gone button { min-height: 40px; padding: 0 1rem; border-radius: 10px; border: 1px solid var(--accent); background: transparent; color: var(--accent); font: inherit; font-weight: 700; cursor: pointer; }
.tick { flex: 1; display: flex; align-items: center; gap: .55rem; min-width: 0; min-height: 44px; margin: 0; padding: .2rem 0; color: var(--ink); font-size: 1rem; font-weight: 500; cursor: pointer; line-height: 1.3; }
.tick input { flex: none; width: 24px; height: 24px; margin: 0; accent-color: var(--good); cursor: pointer; }
.i-name { overflow-wrap: anywhere; min-width: 0; flex: 1; }
.i-qty { display: inline-block; margin-left: .4rem; white-space: nowrap; text-decoration: none; padding: .05rem .5rem; border-radius: 99px; background: var(--soft); color: var(--accent); font-weight: 800; font-size: .92rem; font-variant-numeric: tabular-nums; }
.item.got .i-qty { color: var(--muted); background: transparent; }
.i-tag { display: inline-block; margin-left: .4rem; white-space: nowrap; font-size: .75rem; font-weight: 600; color: var(--muted); border: 1px solid var(--line); border-radius: 99px; padding: 0 .45rem; }
.i-btns { display: flex; gap: .25rem; flex: none; }
.i-btns button { min-height: 38px; padding: 0 .7rem; border-radius: 8px; border: 1px solid var(--line); background: transparent; color: var(--muted); font: inherit; font-size: .85rem; font-weight: 600; cursor: pointer; }
.i-btns button:hover { border-color: var(--line); color: var(--ink); }
.edit label { margin-top: .3rem; }
.edit .check { margin-top: .4rem; }
.edit-btns { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .45rem; margin-top: .6rem; }
.edit-two { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }
.empty { margin: .4rem 0 0; padding: .6rem .8rem; border: 1px dashed var(--line); border-radius: 10px; color: var(--muted); font-size: .93rem; }
.all-done { color: var(--good); }
.add-box { margin-top: 1rem; padding-top: .4rem; border-top: 1px solid var(--line); }
#add-form h3 { margin: .6rem 0 0; font-size: 1.05rem; }
#add-form .check { margin-top: .6rem; }
.list-actions { display: grid; grid-template-columns: minmax(0, 1fr); gap: .5rem; margin-top: 1rem; }

/* tools */
.tool-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .5rem; }
.tools .hint { margin-top: .8rem; }

.faq h2 { font-size: 1.1rem; margin: 1.5rem 0 .5rem; }
details { border-top: 1px solid var(--line); padding: .6rem 0; }
summary { cursor: pointer; font-weight: 600; min-height: 32px; }
details p { margin: .4rem 0 0; color: var(--muted); }
footer { text-align: center; margin-top: 1.5rem; font-size: .9rem; } footer a { color: var(--muted); }

/* back to the list of all apps */
.back { display: inline-flex; align-items: center; gap: .4rem; min-height: 44px; margin: 0 0 .5rem; padding: 0 1rem 0 .8rem; border: 1px solid var(--line, rgba(127,127,127,.4)); border-radius: 999px; color: var(--muted, var(--mut, inherit)); font-size: .92rem; font-weight: 600; text-decoration: none; background: transparent; align-self: flex-start; }
.back:hover { color: var(--ink, inherit); border-color: currentColor; }
.back:focus-visible { outline: 3px solid var(--accent, var(--acc, #fff)); outline-offset: 2px; }

/* narrow phones: stack side-by-side fields */
@media (max-width: 380px) {
    .two, .edit-two { grid-template-columns: minmax(0, 1fr); gap: 0; }
    .toggles.three { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
    .toggles.three label:last-child { grid-column: 1 / -1; }
    .toggles label { font-size: .9rem; padding: .4rem .55rem; }
    .tool-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
    .tool-grid #print { grid-column: 1 / -1; }
    .item { padding-left: .45rem; }
}
/* very narrow phones: the light/dark switch shows only its icon so the top bar stays on one line */
@media (max-width: 360px) {
    .topbar .theme-toggle { padding: 0; width: 44px; justify-content: center; }
    .topbar .theme-toggle span { display: none; }
}

@media print {
    body { background: #fff; color: #000; padding: 0; display: block; font-size: 12pt; }
    .back, .trip-card form, #edit-trip, .result, .tools, .faq, footer, .i-btns, .list-actions, .msg, .add-box, .item.gone, .list-hint, .list-head .check, .empty { display: none !important; }
    .app { display: block; width: 100%; }
    .card { border: 0; padding: 0; background: #fff; }
    .trip-card { margin-bottom: .5rem; }
    #groups { display: block; columns: 2; column-gap: 1.5rem; }
    .group { break-inside: avoid; border: 1px solid #999; background: #fff; margin-bottom: .8rem; }
    .item { border: 0; padding: 0; background: #fff; }
    .tick { min-height: 0; color: #000; }
    .i-qty { background: none; color: #000; }
    .item.got .i-name { color: #000; }
}

/* laptops and desktops: the trip and list on the left, progress and sharing on the right */
@media (min-width: 900px) {
    .app { width: min(1140px, 100%); display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); column-gap: 1.5rem; align-items: start; }
    .app > * { grid-column: 1 / -1; }
    .col-main { display: block; grid-column: 1; grid-row: 3; min-width: 0; }
    .col-side { display: block; grid-column: 2; grid-row: 3; min-width: 0; }
    .app > .topbar { grid-row: 1; }
    .app > header { grid-row: 2; }
    .app > .faq { grid-row: 4; }
    .app > footer { grid-row: 5; }
    .app > .faq, .app > footer { width: min(760px, 100%); justify-self: center; }
    header h1 { font-size: 2.3rem; }
    .trip-card .toggles { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .list-actions { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); }
}
/* wide screens: the lists sit in two columns so the page is not one long strip */
@media (min-width: 1200px) {
    .app { width: min(1240px, 100%); grid-template-columns: minmax(0, 2.4fr) minmax(0, 1fr); }
    #groups { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: start; }
}