/* KRIS YAO | ARTECH 2026 Xmas Party — 邀請函與報名系統 */
:root {
  --night: #0f0a2e;
  --night-2: #120b33;
  --violet: #5b3df5;
  --violet-2: #8a5cff;
  --violet-ink: #3a24b8;
  --violet-soft: #efeaff;
  --lavender: #b9a5ff;
  --lilac: #e2d9ff;
  --lime: #c9f24d;
  --lime-2: #a9e01f;
  --gold: #ffd76e;
  --ink: #1d1540;
  --ink-2: #4a4170;
  --muted: #7c7699;
  --line: #e6e2f3;
  --line-strong: #d4cdea;
  --paper: #ffffff;
  --paper-2: #f7f5fd;
  --danger: #d43a52;
  --ok: #23885a;
  --shadow: 0 24px 64px rgba(8, 4, 30, .42);
  --font: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", "微軟正黑體", "Heiti TC", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: "Avenir Next", "Montserrat", "Century Gothic", "Segoe UI", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); line-height: 1.5; color: var(--ink); background: #f4f2fb; }
a { color: var(--violet-ink); }
img { max-width: 100%; }
button { font: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* ------------------------------------------------------------------ 派對主題（邀請卡、表單頁） */
body.party { background: var(--night); color: #fff; min-height: 100vh; min-height: 100dvh; }
.backdrop {
  position: fixed; inset: -60px; z-index: 0; pointer-events: none;
  background: var(--night) url(/img/card.jpg) center 30% / cover no-repeat;
  filter: blur(30px) saturate(1.35) brightness(.5);
}
.backdrop::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(140, 100, 255, .35), transparent 60%), linear-gradient(180deg, rgba(15, 10, 46, .1), rgba(15, 10, 46, .65));
}
.stage { position: relative; z-index: 1; min-height: 100vh; min-height: 100dvh; padding: 28px 16px 48px; }

/* 邀請卡 */
.invite {
  position: relative; width: min(100%, 460px); margin: 0 auto; overflow: hidden;
  border-radius: 28px; color: #fff;
  background: var(--night-2) url(/img/card.jpg) center top / 100% auto no-repeat;
  box-shadow: 0 30px 80px rgba(5, 2, 25, .62), 0 0 0 1px rgba(255, 255, 255, .09);
}
.invite-hero { position: relative; aspect-ratio: 332 / 360; }
.invite-head {
  position: absolute; inset: 0 0 auto 0; padding: 24px 18px 76px; text-align: center;
  background: linear-gradient(180deg, rgba(12, 6, 40, .9) 0%, rgba(12, 6, 40, .62) 48%, rgba(12, 6, 40, 0) 100%);
}
.eyebrow { margin: 0 0 8px; font: 700 11px/1 var(--font-display); letter-spacing: .42em; color: var(--lilac); }
.brand { margin: 0; font: 800 23px/1.15 var(--font-display); letter-spacing: .14em; text-shadow: 0 2px 18px rgba(120, 90, 255, .75); }
.brand .bar { color: var(--lime); font-weight: 400; margin: 0 .25em; }
.party-title {
  margin: 10px 0 0; font: 900 42px/1.02 var(--font-display); letter-spacing: .01em;
  color: #fff;
  background: linear-gradient(90deg, #dcff73 0%, #ffffff 46%, #cbb9ff 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 3px 14px rgba(160, 130, 255, .6));
}
.party-title .year { font-size: .6em; vertical-align: .34em; letter-spacing: .08em; margin-right: .16em; }
.invite-body {
  position: relative; margin-top: -92px; padding: 96px 22px 24px;
  background: linear-gradient(180deg, rgba(18, 11, 51, 0) 0, rgba(18, 11, 51, .84) 72px, var(--night-2) 132px);
}
.when { display: flex; align-items: center; justify-content: center; gap: 16px; margin: 0 0 18px; }
.when-date {
  font: 900 56px/.95 var(--font-display); letter-spacing: -.01em; color: var(--lime);
  background: linear-gradient(180deg, #ecffa3, #b4ea2c); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.when-meta { display: grid; gap: 5px; padding-left: 14px; border-left: 2px solid rgba(201, 242, 77, .55); }
.when-meta b { font: 800 19px/1 var(--font-display); letter-spacing: .12em; }
.when-meta span { font-size: 12.5px; color: var(--lilac); }
.facts { margin: 0 0 4px; display: grid; gap: 11px; }
.facts .row { display: grid; grid-template-columns: 46px 1fr; gap: 10px; }
.facts dt { padding-top: 2px; font-size: 12.5px; font-weight: 800; letter-spacing: .12em; color: var(--lime); }
.facts dd { margin: 0; font-size: 15.5px; line-height: 1.5; }
.facts dd small { display: block; font-size: 12.5px; color: rgba(226, 217, 255, .82); }
.facts-en { margin-top: 12px; padding-top: 12px; border-top: 1px dashed rgba(185, 165, 255, .35); }
.facts-en .row { grid-template-columns: 54px 1fr; }
.facts-en dt { font-size: 11px; color: var(--lavender); }
.facts-en dd { font-size: 13px; color: rgba(255, 255, 255, .88); }
.facts-en dd small { font-size: 11.5px; }
.map-link { display: inline-block; margin-top: 6px; font-size: 12.5px; color: var(--lilac); }
.notice {
  margin: 16px 0 18px; padding: 10px 14px; border-radius: 14px; text-align: center; font-size: 13.5px; line-height: 1.5;
  color: #ffe7a6; background: rgba(255, 215, 110, .1); border: 1px solid rgba(255, 215, 110, .38);
}
.rsvp-label { margin: 0 0 12px; text-align: center; font-size: 14px; color: var(--lilac); }
.rsvp-label b { color: #fff; }
.rsvp-buttons { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.rsvp-buttons.single { grid-template-columns: 1fr; }
.btn-choice {
  display: grid; place-items: center; align-content: center; gap: 1px; min-height: 70px; padding: 8px;
  border-radius: 18px; text-decoration: none; color: #170f3d; font-weight: 900; font-size: 21px; letter-spacing: .08em;
  box-shadow: 0 12px 26px rgba(0, 0, 0, .3), inset 0 -3px 0 rgba(0, 0, 0, .14);
  transition: transform .15s ease, box-shadow .15s ease, filter .15s ease;
}
.btn-choice small { font-size: 11px; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; opacity: .68; }
.btn-choice:hover { transform: translateY(-2px); filter: brightness(1.04); }
.btn-choice:active { transform: translateY(1px); }
.btn-choice:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }
.btn-lime { background: linear-gradient(180deg, #e2ff86, #b5ea2f); }
.btn-lavender { background: linear-gradient(180deg, #e3d9ff, #ac94ff); }
.late-box { margin-top: 16px; padding: 14px; border-radius: 16px; background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .14); text-align: center; }
.late-box p { margin: 0 0 10px; font-size: 13.5px; color: var(--lilac); }
.closed-note { text-align: center; font-size: 14px; color: #ffe7a6; margin: 0 0 12px; }
.invite-foot { margin: 18px 0 0; text-align: center; font-size: 12px; color: rgba(226, 217, 255, .62); }
.invite-foot a { color: rgba(226, 217, 255, .8); }

.phase-open .show-late, .phase-open .show-closed, .phase-open .show-ended { display: none !important; }
.phase-late .show-open, .phase-late .show-closed { display: none !important; }
.phase-closed .show-open, .phase-closed .show-late, .phase-closed .hide-closed { display: none !important; }

.print-url { display: none; }
.print-card .print-url { display: grid; gap: 4px; margin-top: 4px; padding: 14px; text-align: center; border-radius: 18px; background: linear-gradient(180deg, rgba(201, 242, 77, .16), rgba(185, 165, 255, .14)); border: 1px solid rgba(201, 242, 77, .45); }
.print-card .print-url span { font-size: 13px; letter-spacing: .12em; color: var(--lilac); }
.print-card .print-url b { font: 800 21px/1.2 var(--font-display); letter-spacing: .02em; color: var(--lime); }
.print-card .print-url small { font-size: 12px; color: rgba(226, 217, 255, .8); }
.print-card .rsvp-buttons, .print-card .late-box, .print-card .map-link, .print-card .invite-foot { display: none !important; }
.print-card .stage { padding: 0; }
.print-card .invite { border-radius: 0; box-shadow: none; }

/* 表單頁 */
.stage-form { padding: 18px 14px 64px; }
.mini-head {
  position: relative; width: min(100%, 660px); min-height: 128px; margin: 0 auto 14px; overflow: hidden;
  display: flex; align-items: flex-end; border-radius: 24px;
  background: var(--night-2) url(/img/card.jpg) center 26% / cover no-repeat;
  box-shadow: 0 16px 40px rgba(5, 2, 25, .45);
}
.mini-head::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(12, 6, 40, .94) 0%, rgba(12, 6, 40, .62) 58%, rgba(12, 6, 40, .25) 100%); }
.mini-head-inner { position: relative; padding: 14px 18px 16px; }
.back-link { display: inline-block; margin-bottom: 6px; color: var(--lilac); text-decoration: none; font-size: 14px; font-weight: 600; }
.back-link:hover { text-decoration: underline; }
.mini-brand { margin: 0; font: 800 13px/1.2 var(--font-display); letter-spacing: .16em; color: #fff; }
.mini-brand b { display: block; margin-top: 4px; font-size: 25px; letter-spacing: .02em; color: var(--lime); }
.mini-meta { margin: 6px 0 0; font-size: 12.5px; color: rgba(226, 217, 255, .9); }

.panel {
  position: relative; width: min(100%, 660px); margin: 0 auto; padding: 24px 20px;
  border-radius: 24px; background: var(--paper); color: var(--ink); box-shadow: var(--shadow);
}
.panel + .panel { margin-top: 14px; }
.panel-narrow { width: min(100%, 460px); margin-top: 12vh; }
.panel h1 { margin: 0 0 6px; font-size: 24px; line-height: 1.3; }
.panel h1 small, .panel h2 small { margin-left: 6px; font-size: 12.5px; font-weight: 700; letter-spacing: .1em; color: var(--muted); text-transform: uppercase; }
.panel h2 { margin: 0 0 10px; font-size: 19px; }
.lead { margin: 0 0 18px; color: var(--ink-2); line-height: 1.65; }
.greet { display: flex; align-items: center; gap: 12px; margin: 0 0 16px; padding: 14px 16px; border-radius: 16px; background: var(--violet-soft); }
.greet-avatar {
  flex: 0 0 auto; display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%;
  background: linear-gradient(135deg, var(--violet), var(--violet-2)); color: #fff; font-weight: 900; font-size: 19px;
}
.greet-name { font-size: 19px; font-weight: 900; }
.greet-id { font-size: 13px; color: var(--muted); }
.greet .link-btn { margin-left: auto; }

.field { display: grid; gap: 6px; margin-bottom: 16px; }
.field:last-child { margin-bottom: 0; }
.label, .field > label { font-size: 14.5px; font-weight: 800; color: var(--ink); }
.label small, .field > label small { margin-left: 4px; font-size: 12px; font-weight: 600; color: var(--muted); }
.req { color: var(--danger); margin-left: 2px; }
.hint { margin: 0; font-size: 12.5px; color: var(--muted); }
.input, .select, .textarea {
  width: 100%; min-height: 48px; padding: 11px 14px; font: inherit; font-size: 16px; color: var(--ink);
  background: #fff; border: 1.5px solid var(--line-strong); border-radius: 12px;
  transition: border-color .15s, box-shadow .15s;
}
.textarea { min-height: 84px; resize: vertical; }
.select { appearance: none; -webkit-appearance: none; padding-right: 38px;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 20px) 21px, calc(100% - 15px) 21px; background-size: 5px 5px; background-repeat: no-repeat; }
.input:focus, .select:focus, .textarea:focus { outline: none; border-color: var(--violet); box-shadow: 0 0 0 4px rgba(91, 61, 245, .16); }
.input[readonly] { background: var(--paper-2); }
.invalid .input, .invalid .select, .invalid .textarea, .input.invalid, .select.invalid { border-color: var(--danger); box-shadow: 0 0 0 3px rgba(212, 58, 82, .12); }
.invalid .choice span { border-color: #f1a7b3; }
.field-error { margin: 0; font-size: 13px; font-weight: 600; color: var(--danger); }
.field-error:empty { display: none; }
.lookup-row { display: flex; gap: 10px; }
.lookup-row .input { flex: 1; font-size: 20px; letter-spacing: .12em; font-weight: 800; }

.choice-group { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.choice { position: relative; display: block; cursor: pointer; }
.choice input { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: pointer; }
.choice span {
  display: grid; place-items: center; align-content: center; min-height: 56px; padding: 6px 8px; text-align: center;
  font-size: 17px; font-weight: 900; color: var(--ink-2); background: #fff;
  border: 2px solid var(--line-strong); border-radius: 14px; transition: all .15s;
}
.choice span small { display: block; font-size: 11px; font-weight: 700; letter-spacing: .12em; color: var(--muted); text-transform: uppercase; }
.choice input:checked + span { color: var(--violet-ink); background: var(--violet-soft); border-color: var(--violet); box-shadow: 0 0 0 3px rgba(91, 61, 245, .14); }
.choice.yes input:checked + span { color: #2d5000; background: #f2ffd6; border-color: #8ccc12; box-shadow: 0 0 0 3px rgba(140, 204, 18, .2); }
.choice.no input:checked + span { color: #5b5670; background: #f1f0f5; border-color: #a7a2bb; box-shadow: none; }
.choice input:focus-visible + span { outline: 3px solid rgba(91, 61, 245, .45); outline-offset: 2px; }
.choice-sm span { min-height: 46px; font-size: 15px; font-weight: 800; }

.check { display: inline-flex; align-items: center; gap: 10px; min-height: 40px; font-weight: 700; cursor: pointer; user-select: none; }
.check input { width: 22px; height: 22px; margin: 0; accent-color: var(--violet); cursor: pointer; }
.check-veg { padding: 6px 12px 6px 10px; border-radius: 12px; background: #eefaf2; color: #1b6b45; }

.subcard { margin: 0 0 14px; padding: 16px; border: 1.5px solid var(--line); border-radius: 18px; background: var(--paper-2); }
.subcard-title { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 6px 10px; margin: 0 0 12px; font-size: 16px; font-weight: 900; }
.subcard-title small { font-size: 12.5px; font-weight: 600; color: var(--muted); }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-bottom: 16px; }
.grid-3 { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 12px; margin-bottom: 16px; }
.grid-2 > .field, .grid-3 > .field { margin-bottom: 0; }
.regform { margin-bottom: 18px; }
.kids-list:not(:empty) { margin-bottom: 10px; }
.child-row { position: relative; margin: 0 0 10px; padding: 14px; border: 1.5px dashed var(--line-strong); border-radius: 14px; background: #fff; }
.child-row-head { display: flex; align-items: center; justify-content: space-between; margin: 0 0 10px; font-weight: 900; color: var(--ink-2); }
.btn-add { width: 100%; min-height: 50px; border: 2px dashed var(--line-strong); border-radius: 14px; background: transparent; color: var(--violet-ink); font-weight: 900; cursor: pointer; }
.btn-add:hover { background: #fff; border-color: var(--violet); }
.btn-add:disabled { opacity: .5; cursor: not-allowed; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 12px 20px;
  font: inherit; font-size: 16px; font-weight: 900; line-height: 1.2; text-decoration: none; text-align: center;
  border: 0; border-radius: 14px; cursor: pointer; transition: transform .12s, box-shadow .12s, background .12s, opacity .12s;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .55; cursor: wait; }
.btn-primary { color: #fff; background: linear-gradient(135deg, var(--violet), var(--violet-2)); box-shadow: 0 10px 22px rgba(91, 61, 245, .32); }
.btn-primary:hover { box-shadow: 0 12px 26px rgba(91, 61, 245, .42); }
.btn-lime-solid { color: #1b1440; background: linear-gradient(180deg, #e2ff86, #b5ea2f); }
.btn-ghost { color: var(--violet-ink); background: #fff; border: 1.5px solid var(--line-strong); }
.btn-ghost:hover { border-color: var(--violet); }
.btn-danger { color: var(--danger); background: #fff2f4; border: 1.5px solid #ffcad3; }
.btn-light { color: #fff; background: rgba(255, 255, 255, .12); border: 1.5px solid rgba(255, 255, 255, .28); }
.btn-block { width: 100%; }
.btn-sm { min-height: 34px; padding: 6px 12px; font-size: 13.5px; border-radius: 10px; }
.link-btn { padding: 4px 6px; border: 0; background: none; color: var(--violet-ink); font-weight: 700; font-size: 14px; text-decoration: underline; cursor: pointer; }
.icon-btn { display: inline-grid; place-items: center; width: 34px; height: 34px; border: 0; border-radius: 10px; background: #fff0f2; color: var(--danger); font-size: 18px; font-weight: 900; cursor: pointer; }
.actions-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }
.actions-row .btn { flex: 1 1 auto; }

.alert { margin: 0 0 16px; padding: 12px 14px; border-radius: 14px; font-size: 14.5px; line-height: 1.6; }
.alert b { font-weight: 900; }
.alert-info { color: #35258a; background: #f1edff; }
.alert-warn { color: #6d4a00; background: #fff6dc; border: 1px solid #ffe08a; }
.alert-error { color: #a3142e; background: #fff0f2; border: 1px solid #ffc9d1; }
.alert-ok { color: #19663a; background: #eafaee; border: 1px solid #bfe9cc; }

.done-icon {
  display: grid; place-items: center; width: 64px; height: 64px; margin: 4px auto 12px; border-radius: 50%;
  background: linear-gradient(135deg, #b5ea2f, #7fcf00); color: #fff; font-size: 34px; font-weight: 900;
  box-shadow: 0 10px 24px rgba(127, 207, 0, .35);
}
.done-title { margin: 0 0 6px; text-align: center; font-size: 22px; }
.done-sub { margin: 0 0 18px; text-align: center; color: var(--ink-2); }
.summary { margin: 0 0 16px; padding: 4px 16px; border-radius: 16px; background: var(--paper-2); border: 1px solid var(--line); }
.summary .row { display: grid; grid-template-columns: 104px 1fr; gap: 10px; padding: 10px 0; border-bottom: 1px dashed var(--line-strong); }
.summary .row:last-child { border-bottom: 0; }
.summary dt { font-size: 13.5px; font-weight: 800; color: var(--muted); }
.summary dd { margin: 0; font-weight: 700; word-break: break-word; }
.copy-box { display: flex; gap: 8px; margin: 6px 0 4px; }
.copy-box .input { flex: 1 1 auto; min-width: 0; font-size: 13.5px; }
.copy-box .btn { flex: 0 0 auto; white-space: nowrap; }
.event-strip { margin: 16px 0 0; padding: 12px 14px; border-radius: 14px; background: #f6f3ff; color: var(--ink-2); font-size: 13.5px; line-height: 1.6; }
.event-strip b { color: var(--ink); }
.form-foot { margin: 14px auto 0; width: min(100%, 660px); text-align: center; font-size: 12.5px; color: rgba(226, 217, 255, .7); }

/* ------------------------------------------------------------------ 後台 */
body.admin { background: #f4f2fb; color: var(--ink); }
.admin-login { min-height: 100vh; min-height: 100dvh; display: grid; place-items: center; padding: 24px 16px;
  background: radial-gradient(ellipse at 50% -10%, rgba(140, 100, 255, .5), transparent 60%), linear-gradient(180deg, #1a1052, #0f0a2e); }
.login-card { width: min(100%, 420px); padding: 26px 22px; border-radius: 24px; background: #fff; box-shadow: var(--shadow); }
.login-card h1 { margin: 0 0 4px; font-size: 22px; }
.login-card .lead { margin-bottom: 18px; }
.login-brand { margin: 0 0 14px; font: 800 12px/1 var(--font-display); letter-spacing: .3em; color: var(--violet-ink); }

.topbar { position: sticky; top: 0; z-index: 30; background: rgba(255, 255, 255, .94); border-bottom: 1px solid var(--line); backdrop-filter: blur(10px); }
.topbar-inner { display: flex; align-items: center; gap: 10px 14px; flex-wrap: wrap; max-width: 1280px; margin: 0 auto; padding: 10px 16px; }
.logo { margin: 0; font-size: 17px; font-weight: 900; color: var(--ink); }
.logo small { display: block; font: 800 10.5px/1.3 var(--font-display); letter-spacing: .22em; color: var(--violet-ink); }
.phase-pill { display: inline-flex; align-items: center; gap: 6px; padding: 5px 11px; border-radius: 99px; font-size: 12.5px; font-weight: 800; background: #eafaee; color: #19663a; }
.phase-pill.late { background: #fff1d6; color: #8a5a00; }
.phase-pill.closed { background: #eeedf3; color: #5f5a78; }
.topbar-right { display: flex; align-items: center; gap: 8px; margin-left: auto; flex-wrap: wrap; }
.me { font-size: 13.5px; color: var(--ink-2); font-weight: 700; }
.tabs { display: flex; gap: 4px; max-width: 1280px; margin: 0 auto; padding: 0 12px 8px; overflow-x: auto; scrollbar-width: none; }
.tab { position: relative; flex: 0 0 auto; padding: 9px 14px; border: 0; border-radius: 10px; background: transparent; color: var(--ink-2); font-weight: 800; font-size: 14.5px; cursor: pointer; white-space: nowrap; }
.tab:hover { background: #f4f1fd; }
.tab[aria-selected="true"] { background: var(--violet-soft); color: var(--violet-ink); }
.tab .count { margin-left: 4px; font-size: 12px; color: var(--muted); }
.tab .dot { display: inline-grid; place-items: center; min-width: 20px; height: 20px; margin-left: 6px; padding: 0 6px; border-radius: 99px; background: var(--danger); color: #fff; font-size: 11.5px; }
.wrap { max-width: 1280px; margin: 0 auto; padding: 18px 16px 64px; }
.section-title { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; margin: 26px 0 12px; font-size: 17px; font-weight: 900; }
.section-title:first-child { margin-top: 0; }
.muted { color: var(--muted); }
.small { font-size: 13px; }

.kpis { display: grid; grid-template-columns: repeat(auto-fill, minmax(185px, 1fr)); gap: 14px; }
.kpi { padding: 16px 18px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.kpi-label { font-size: 13px; font-weight: 800; color: var(--muted); }
.kpi-value { margin: 6px 0 4px; font-size: 36px; font-weight: 900; line-height: 1.05; font-variant-numeric: tabular-nums; }
.kpi-value small { margin-left: 4px; font-size: 15px; font-weight: 800; color: var(--muted); }
.kpi-sub { font-size: 13px; line-height: 1.6; color: var(--ink-2); }
.kpi-main { border: 0; color: #fff; background: linear-gradient(135deg, #2a1a7a, #5b3df5 70%, #8a5cff); }
.kpi-main .kpi-label, .kpi-main .kpi-sub, .kpi-main .kpi-value small { color: rgba(255, 255, 255, .8); }
.kpi-warn { border-color: #ffd58a; background: #fffaf0; }
.kpi button.link-btn { padding: 0; }
.progress { height: 8px; margin: 8px 0 6px; overflow: hidden; border-radius: 99px; background: #ece8f8; }
.progress > i { display: block; height: 100%; width: 0; border-radius: 99px; background: linear-gradient(90deg, #8bd400, #c9f24d); transition: width .4s; }

.card { padding: 16px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.card + .card { margin-top: 14px; }
.card h3 { margin: 0 0 10px; font-size: 16px; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { padding: 6px 12px; border: 1.5px solid var(--line-strong); border-radius: 99px; background: #fff; color: var(--ink-2); font-size: 13.5px; font-weight: 800; cursor: pointer; }
.chip:hover { border-color: var(--violet); }
.chip[aria-pressed="true"] { color: #fff; background: var(--violet); border-color: var(--violet); }
.chip .n { margin-left: 4px; opacity: .75; }
.name-chips { display: flex; gap: 6px; flex-wrap: wrap; }
.name-chip { padding: 4px 10px; border-radius: 99px; background: #fff6e3; color: #7a4f00; font-size: 13px; font-weight: 700; }

.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin: 0 0 12px; }
.toolbar .search { flex: 1 1 240px; min-height: 42px; font-size: 15px; }
.toolbar .spacer { flex: 1; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
table.data { width: 100%; border-collapse: collapse; font-size: 14px; }
table.data th { position: sticky; top: 0; padding: 10px 12px; text-align: left; white-space: nowrap; font-size: 12.5px; font-weight: 900; color: var(--muted); background: #f8f6fe; border-bottom: 1px solid var(--line); }
table.data td { padding: 10px 12px; vertical-align: top; border-bottom: 1px solid var(--line); }
table.data tr:last-child td { border-bottom: 0; }
table.data tr.late td { background: #fffaea; }
table.data tr.noreply td { color: var(--muted); }
table.data td.num { text-align: center; font-variant-numeric: tabular-nums; font-weight: 800; }
table.data .nowrap { white-space: nowrap; }
table.data .kids div + div { margin-top: 2px; }
table.data .ops { white-space: nowrap; text-align: right; }
table.data .ops .btn + .btn { margin-left: 6px; }
.empty { padding: 28px 16px; text-align: center; color: var(--muted); }
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 2px 9px; border-radius: 99px; font-size: 12px; font-weight: 900; white-space: nowrap; }
.badge-yes { color: #2f6b00; background: #e7f8d2; }
.badge-no { color: #5f5a78; background: #eeedf3; }
.badge-wait { color: #8a5a00; background: #fff0d1; }
.badge-late { color: #b3261e; background: #ffe4e1; }
.badge-veg { color: #1b6b45; background: #e2f6eb; }
.badge-gray { color: #5f5a78; background: #f1f0f5; }
.badge-admin { color: var(--violet-ink); background: var(--violet-soft); }

.changes { display: grid; gap: 12px; }
.change { padding: 14px 16px; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.change.pending { border-color: #ffc98a; background: #fffaf0; }
.change-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin: 0 0 8px; }
.change-head .who { font-weight: 900; }
.change-head .when { margin: 0; font-size: 13px; color: var(--muted); display: inline; }
.change-head .grow { flex: 1; }
.diff { display: grid; gap: 6px; font-size: 14px; }
.diff .row { display: grid; grid-template-columns: 58px 1fr; gap: 8px; }
.diff .k { font-size: 12.5px; font-weight: 900; color: var(--muted); padding-top: 1px; }
.diff .before { color: var(--ink-2); text-decoration: line-through; text-decoration-color: rgba(212, 58, 82, .45); }
.diff .after { font-weight: 700; }
.reason { margin: 8px 0 0; padding: 8px 10px; border-radius: 10px; background: #fff; border: 1px dashed #ffc98a; font-size: 14px; }

.settings-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 14px; }
.link-list { display: grid; gap: 12px; }
.link-item .label { display: block; margin-bottom: 4px; font-size: 13.5px; }
.inline-form { display: flex; gap: 8px; flex-wrap: wrap; align-items: flex-end; }
.inline-form .field { flex: 1 1 140px; margin: 0; }
.file-drop { display: grid; gap: 8px; padding: 14px; border: 2px dashed var(--line-strong); border-radius: 14px; background: var(--paper-2); }

dialog.modal { overflow: auto; width: min(680px, calc(100vw - 20px)); max-height: calc(100vh - 20px); max-height: calc(100dvh - 20px); padding: 0; border: 0; border-radius: 22px; color: var(--ink); box-shadow: var(--shadow); }
dialog.modal::backdrop { background: rgba(15, 10, 46, .55); }
.modal-head { position: sticky; top: 0; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 16px 20px; background: #fff; border-bottom: 1px solid var(--line); }
.modal-head h2 { margin: 0; font-size: 18px; }
.modal-body { padding: 18px 20px; }
.modal-foot { position: sticky; bottom: 0; display: flex; justify-content: flex-end; gap: 10px; padding: 14px 20px; background: #fff; border-top: 1px solid var(--line); }
.close-x { width: 36px; height: 36px; border: 0; border-radius: 10px; background: #f3f1fa; font-size: 20px; cursor: pointer; }

.toast-host { position: fixed; left: 50%; bottom: 22px; z-index: 100; display: grid; gap: 8px; transform: translateX(-50%); width: min(92vw, 420px); pointer-events: none; }
.toast { padding: 12px 16px; border-radius: 14px; background: #1d1540; color: #fff; font-weight: 700; font-size: 14.5px; box-shadow: 0 14px 34px rgba(0, 0, 0, .3); animation: toast-in .2s ease-out; }
.toast.error { background: #a3142e; }
.toast.ok { background: #19663a; }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.spinner { display: inline-block; width: 18px; height: 18px; border: 2.5px solid rgba(255, 255, 255, .45); border-top-color: #fff; border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ------------------------------------------------------------------ 響應式 */
@media (max-width: 540px) {
  .stage { padding: 0 0 32px; }
  .invite { width: 100%; border-radius: 0; box-shadow: none; }
  .invite-body { padding-left: 18px; padding-right: 18px; }
  .stage-form { padding: 10px 10px 56px; }
  .panel { padding: 20px 16px; border-radius: 22px; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .summary .row { grid-template-columns: 88px 1fr; }
  .lookup-row { flex-direction: column; }
  .kpi-value { font-size: 32px; }
  .wrap { padding: 14px 10px 56px; }
}
@media (max-width: 360px) {
  .party-title { font-size: 36px; }
  .when-date { font-size: 48px; }
  .btn-choice { font-size: 19px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
@media print {
  .topbar, .tabs, .toolbar, .ops { display: none !important; }
  body.admin { background: #fff; }
}