/* InterContinental palette: black #3D3935, foil gold #A98842 → #EFDDA0, ivory ground */
:root {
  --ic-black: #3D3935;
  --ic-gold: #B99149;
  --ic-gold-deep: #A98842;
  --ic-gold-light: #EFDDA0;
  --ic-gold-grad: linear-gradient(135deg, #A98842 0%, #D9BC72 40%, #EFDDA0 55%, #C7A85E 75%, #A98842 100%);
  --ic-white: #FFFFFF;
  --ic-grey-light: #E4E1DC;
  --ic-grey: #B7B1A9;
  --ic-grey-dark: #5C5651;
  --ivory: #F7F5F2;
  --card: #FFFFFF;
  --ok: #3F7D5A;
  --warn: #B5542D;
  --info: #4C6E91;
  --serif: "Cormorant Garamond", "Noto Serif TC", Georgia, serif;
  --sans: "Noto Sans TC", -apple-system, "Segoe UI", Roboto, sans-serif;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(61,57,53,.06), 0 6px 20px rgba(61,57,53,.06);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body { font-family: var(--sans); background: var(--ivory); color: var(--ic-black); min-height: 100vh; font-size: 15px; line-height: 1.55; }
.hidden { display: none !important; }
button { font-family: inherit; }
input, textarea, select { font-family: inherit; font-size: 15px; color: var(--ic-black); }
a { color: var(--ic-gold-deep); }

/* ---------- top bar ---------- */
.topbar { background: var(--ic-black); color: var(--ic-white); padding: 16px 20px 14px; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.brand-line { width: 56px; height: 2px; background: var(--ic-gold-grad); margin-bottom: 8px; }
.topbar h1 { font-size: 18px; font-weight: 500; letter-spacing: .18em; font-family: var(--serif); }
.topbar h1 .brand-sub { color: var(--ic-gold-light); letter-spacing: .28em; }
.brand-tag { color: var(--ic-grey-light); font-size: 12px; margin-top: 4px; font-weight: 300; letter-spacing: .1em; }
.topbar-right { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
.pill { display: inline-flex; align-items: center; gap: 6px; border: 1px solid rgba(239,221,160,.45); color: var(--ic-gold-light); border-radius: 999px; padding: 4px 11px; font-size: 12px; letter-spacing: .04em; white-space: nowrap; }
.pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ic-grey); }
.pill.ok .dot { background: #7CC39A; }
.pill.bad .dot { background: #E38A6A; }
.link-btn { background: transparent; color: var(--ic-gold-light); border: 1px solid var(--ic-gold); padding: 6px 12px; cursor: pointer; font-size: 12.5px; letter-spacing: .08em; border-radius: 6px; text-decoration: none; }
.link-btn:hover { background: var(--ic-gold); color: var(--ic-black); }

main { max-width: 1180px; margin: 0 auto; padding: 18px 16px 120px; }
@media (min-width: 900px) { main { padding: 26px 28px 110px; } .topbar { padding: 20px 32px 16px; } .topbar h1 { font-size: 21px; } }

/* ---------- generic ---------- */
.card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; margin-bottom: 16px; }
@media (min-width: 900px) { .card { padding: 22px 24px; } }
.card h2 { font-family: var(--serif); font-size: 21px; font-weight: 500; letter-spacing: .06em; display: flex; align-items: center; gap: 10px; }
.card h2 .en { font-size: 13px; color: var(--ic-grey-dark); letter-spacing: .12em; font-family: var(--sans); font-weight: 400; text-transform: uppercase; }
.hint { color: var(--ic-grey-dark); font-size: 13px; line-height: 1.5; }
.field { display: flex; flex-direction: column; gap: 5px; margin-top: 12px; }
.field > label { font-size: 12.5px; letter-spacing: .06em; color: var(--ic-grey-dark); display: flex; justify-content: space-between; gap: 8px; }
.field > label .en { color: var(--ic-grey); font-weight: 300; }
input[type=text], input[type=number], textarea, select {
  width: 100%; border: 1px solid var(--ic-grey-light); border-radius: 8px; padding: 10px 12px; background: #FDFCFA; outline: none; transition: border .15s, box-shadow .15s;
}
input:focus, textarea:focus, select:focus { border-color: var(--ic-gold); box-shadow: 0 0 0 3px rgba(185,145,73,.15); }
textarea { resize: vertical; min-height: 64px; line-height: 1.5; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.grid-2 { display: grid; grid-template-columns: 1fr; gap: 0 18px; }
@media (min-width: 720px) { .grid-2 { grid-template-columns: 1fr 1fr; } }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
@media (min-width: 720px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }
.toggle { display: flex; align-items: center; gap: 8px; font-size: 14px; cursor: pointer; padding: 6px 0; }
.toggle input { width: 18px; height: 18px; accent-color: var(--ic-gold-deep); }

.btn { border: 1px solid var(--ic-grey-light); background: var(--ic-white); color: var(--ic-black); padding: 10px 16px; border-radius: 8px; cursor: pointer; font-size: 14px; letter-spacing: .02em; display: inline-flex; align-items: center; gap: 7px; transition: .15s; min-height: 42px; }
.btn:hover { border-color: var(--ic-gold); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.gold { background: var(--ic-gold-grad); border: none; color: var(--ic-black); font-weight: 500; }
.btn.dark { background: var(--ic-black); border-color: var(--ic-black); color: var(--ic-gold-light); }
.btn.small { padding: 6px 11px; min-height: 34px; font-size: 13px; }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--warn); }
.btn .cost { color: var(--ic-grey-dark); font-size: 12px; }
.btn.gold .cost, .btn.dark .cost { color: inherit; opacity: .8; }

.chip { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 999px; font-size: 12px; background: var(--ivory); color: var(--ic-grey-dark); border: 1px solid var(--ic-grey-light); white-space: nowrap; }
.chip.ok { background: #EAF4EE; color: var(--ok); border-color: #CDE5D7; }
.chip.busy { background: #FBF3E3; color: #8A6A21; border-color: #F0DFB2; }
.chip.bad { background: #FBEAE3; color: var(--warn); border-color: #F2CDBE; }
.chip.info { background: #EAF0F6; color: var(--info); border-color: #CFDCE9; }
.spinner { width: 12px; height: 12px; border: 2px solid rgba(138,106,33,.25); border-top-color: #8A6A21; border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- segmented pickers ---------- */
.picker { display: flex; flex-wrap: wrap; gap: 6px; background: var(--ivory); border: 1px solid var(--ic-grey-light); border-radius: 10px; padding: 6px; }
.picker .tile { flex: 1 1 0; min-width: 64px; min-height: 58px; border: 1px solid transparent; background: transparent; border-radius: 8px; cursor: pointer; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; font-size: 13px; color: var(--ic-grey-dark); transition: .15s; }
.picker .tile:hover { background: #fff; }
.picker .tile.active { background: #fff; border-color: var(--ic-gold); color: var(--ic-black); box-shadow: 0 1px 4px rgba(61,57,53,.08); font-weight: 500; }
.picker .tile.active .ratio-icon { border-color: var(--ic-gold-deep); }
.ratio-icon { display: block; border: 2px solid var(--ic-grey); border-radius: 3px; }

/* ---------- home ---------- */
.home-hero { padding: 6px 0 14px; }
.home-hero h2 { font-family: var(--serif); font-size: 28px; font-weight: 400; letter-spacing: .04em; }
.home-hero p { color: var(--ic-grey-dark); margin-top: 6px; max-width: 640px; }
.steps { display: grid; grid-template-columns: 1fr; gap: 10px; margin: 14px 0 4px; }
@media (min-width: 720px) { .steps { grid-template-columns: repeat(4, 1fr); } }
.step { background: var(--card); border-radius: var(--radius); padding: 12px 14px; box-shadow: var(--shadow); font-size: 13.5px; }
.step b { display: block; font-family: var(--serif); font-size: 18px; color: var(--ic-gold-deep); letter-spacing: .06em; }
.project-list { display: grid; grid-template-columns: 1fr; gap: 12px; }
@media (min-width: 720px) { .project-list { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); } }
.project-card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; cursor: pointer; border: 1px solid transparent; transition: .15s; }
.project-card:hover { border-color: var(--ic-gold); }
.project-card h3 { font-family: var(--serif); font-size: 19px; font-weight: 500; }
.project-card .meta { color: var(--ic-grey-dark); font-size: 12.5px; margin-top: 6px; display: flex; gap: 10px; flex-wrap: wrap; }
.new-project { display: grid; grid-template-columns: 1fr; gap: 10px; }
@media (min-width: 720px) { .new-project { grid-template-columns: 2fr 1fr auto; align-items: end; } }

/* ---------- studio header ---------- */
.studio-bar { position: sticky; top: 0; z-index: 20; background: rgba(247,245,242,.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--ic-grey-light); margin: -18px -16px 16px; padding: 10px 16px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
@media (min-width: 900px) { .studio-bar { margin: -26px -28px 22px; padding: 12px 28px; } }
.studio-bar .title { flex: 1 1 200px; font-family: var(--serif); font-size: 20px; border: none; background: transparent; padding: 6px 4px; border-bottom: 1px dashed transparent; min-width: 160px; }
.studio-bar .title:focus { border-bottom-color: var(--ic-gold); box-shadow: none; }
.studio-bar .meta { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; font-size: 12.5px; color: var(--ic-grey-dark); }
.save-state { font-size: 12px; color: var(--ic-grey); min-width: 60px; }

/* ---------- segments ---------- */
.seg-list { display: flex; flex-direction: column; gap: 14px; }
.seg { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); border-left: 4px solid var(--ic-gold); overflow: hidden; }
.seg-head { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-bottom: 1px solid var(--ic-grey-light); flex-wrap: wrap; }
.seg-head .num { font-family: var(--serif); font-size: 22px; color: var(--ic-gold-deep); letter-spacing: .04em; min-width: 42px; }
.seg-head .time { font-size: 13px; color: var(--ic-grey-dark); }
.seg-head .dur { display: flex; align-items: center; gap: 6px; font-size: 13px; }
.seg-head .dur input { width: 64px; padding: 6px 8px; text-align: center; }
.seg-head .spacer { flex: 1; }
.seg-head .tools { display: flex; gap: 4px; }
.icon-btn { border: 1px solid var(--ic-grey-light); background: var(--ic-white); width: 34px; height: 34px; border-radius: 8px; cursor: pointer; font-size: 15px; color: var(--ic-grey-dark); }
.icon-btn:hover { border-color: var(--ic-gold); color: var(--ic-black); }
.seg-body { display: grid; grid-template-columns: 1fr; gap: 14px; padding: 14px; }
@media (min-width: 900px) { .seg-body { grid-template-columns: 340px 1fr; gap: 20px; padding: 18px; } }
.media { display: flex; flex-direction: column; gap: 10px; }
.media-box { position: relative; background: #ECE8E1; border-radius: 8px; overflow: hidden; display: flex; align-items: center; justify-content: center; min-height: 140px; }
.media-box img, .media-box video { width: 100%; display: block; max-height: 420px; object-fit: contain; background: #000; }
.media-box .empty { color: var(--ic-grey-dark); font-size: 13px; text-align: center; padding: 30px 14px; }
.media-box .tag { position: absolute; top: 8px; left: 8px; }
.media-box .cost-tag { position: absolute; bottom: 8px; right: 8px; background: rgba(61,57,53,.75); color: #fff; font-size: 11px; padding: 2px 8px; border-radius: 999px; }
.media-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.media-actions .btn { flex: 1 1 auto; justify-content: center; }
.err { color: var(--warn); font-size: 12.5px; background: #FBEAE3; border-radius: 6px; padding: 8px 10px; line-height: 1.45; word-break: break-word; }
.fields .field:first-child { margin-top: 0; }
.advanced { margin-top: 12px; border-top: 1px dashed var(--ic-grey-light); padding-top: 4px; }
.advanced summary { cursor: pointer; font-size: 13px; color: var(--ic-grey-dark); padding: 8px 0; list-style: none; }
.advanced summary::before { content: "▸ "; color: var(--ic-gold-deep); }
.advanced[open] summary::before { content: "▾ "; }

/* overlays */
.overlays { margin-top: 14px; }
.overlays .head { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--ic-grey-dark); letter-spacing: .06em; }
.ov { display: grid; grid-template-columns: 1fr; gap: 6px; background: var(--ivory); border-radius: 8px; padding: 10px; margin-top: 8px; }
@media (min-width: 720px) { .ov { grid-template-columns: 1fr 1fr; } .ov .ov-time { grid-column: 1 / -1; } }
.ov input[type=text] { background: #fff; }
.ov-time { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; font-size: 13px; color: var(--ic-grey-dark); }
.ov-time input { width: 70px; padding: 6px 8px; text-align: center; background: #fff; }
.ov-time select { width: auto; padding: 6px 8px; background: #fff; }
.ov-time .del { margin-left: auto; }

/* refs */
.refs { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.ref { position: relative; width: 92px; height: 92px; border-radius: 8px; overflow: hidden; border: 1px solid var(--ic-grey-light); background: #eee; }
.ref img { width: 100%; height: 100%; object-fit: cover; }
.ref button { position: absolute; top: 3px; right: 3px; width: 22px; height: 22px; border-radius: 50%; border: none; background: rgba(61,57,53,.8); color: #fff; cursor: pointer; font-size: 12px; }
.ref.add { display: flex; align-items: center; justify-content: center; cursor: pointer; color: var(--ic-grey-dark); font-size: 12px; text-align: center; border-style: dashed; background: #fff; }

/* ---------- bottom action bar ---------- */
.actionbar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; background: var(--ic-black); color: var(--ic-white); padding: 10px 14px calc(10px + env(safe-area-inset-bottom)); box-shadow: 0 -6px 24px rgba(0,0,0,.18); }
.actionbar .inner { max-width: 1180px; margin: 0 auto; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.actionbar .totals { font-size: 12.5px; color: var(--ic-grey-light); line-height: 1.35; flex: 1 1 160px; }
.actionbar .totals b { color: var(--ic-gold-light); font-family: var(--serif); font-size: 17px; letter-spacing: .04em; }
.actionbar .btn { min-height: 40px; }
.actionbar .btn:not(.gold) { background: transparent; color: var(--ic-gold-light); border-color: rgba(239,221,160,.5); }
@media (max-width: 719px) {
  .actionbar .inner { display: grid; grid-template-columns: 1fr 1fr; }
  .actionbar .totals { grid-column: 1 / -1; }
  .actionbar .btn { justify-content: center; font-size: 13px; padding: 8px 6px; }
}

/* ---------- result ---------- */
.result video { width: 100%; max-height: 70vh; background: #000; border-radius: 8px; }
.downloads { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.progress { display: flex; align-items: center; gap: 10px; color: var(--ic-grey-dark); font-size: 14px; }

/* ---------- toast / modal ---------- */
.toast { position: fixed; left: 50%; bottom: 96px; transform: translateX(-50%); background: var(--ic-black); color: var(--ic-white); padding: 10px 16px; border-radius: 8px; font-size: 14px; z-index: 50; max-width: 92vw; box-shadow: var(--shadow); opacity: 0; transition: opacity .2s; pointer-events: none; }
.toast.show { opacity: 1; }
.modal-bg { position: fixed; inset: 0; background: rgba(61,57,53,.45); z-index: 60; display: flex; align-items: center; justify-content: center; padding: 16px; }
.modal { background: var(--card); border-radius: 12px; padding: 20px; max-width: 460px; width: 100%; box-shadow: var(--shadow); }
.modal h3 { font-family: var(--serif); font-size: 20px; font-weight: 500; margin-bottom: 8px; }
.modal p { color: var(--ic-grey-dark); font-size: 14px; }
.modal .row { justify-content: flex-end; margin-top: 16px; }

/* ---------- admin ---------- */
.narrow { max-width: 560px; margin: 30px auto; }
.gap-top { margin-top: 22px; }
.env-note { font-size: 12px; color: var(--ok); }

/* narrow phones: the wide-tracked wordmark must not wrap onto three lines */
@media (max-width: 560px) {
  .topbar { padding: 14px 16px 12px; }
  .topbar h1 { font-size: 15px; letter-spacing: .12em; }
  .topbar h1 .brand-sub { letter-spacing: .18em; }
  .brand-tag { font-size: 11px; letter-spacing: .06em; }
  .topbar-right { gap: 8px; }
}