/* Layout: a departures-board inventory. Article rows carry two seat chips (1st, 2nd); a selection rail follows the reader. */
:root{
  --bg:#F3F5F7; --surface:#FFFFFF; --ink:#101B2B; --muted:#5A6779; --line:#DCE2EA;
  --accent:#0F6F69; --accent-soft:#E2F1EF; --accent-ink:#FFFFFF;
  --amber:#9A5B00; --amber-soft:#FBEFD9;
  --coral:#B23A2E; --coral-soft:#F9E3E0;
  --taken:#8792A2; --taken-soft:#ECEFF3; --hatch:#DCE1E8;
  --mine:#2F4FB8; --mine-soft:#E4E9FA;
  --internal:#5B3FA8; --internal-soft:#EEE9FA;
  --f-display:"Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --f-body:"IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --f-mono:"IBM Plex Mono", ui-monospace, Menlo, monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0D141D; --surface:#151F2B; --ink:#E8EDF3; --muted:#9AA7B8; --line:#26323F;
  --accent:#4CC2B7; --accent-soft:#12312F; --accent-ink:#06201E;
  --amber:#F0B45A; --amber-soft:#33260F; --coral:#F08A7E; --coral-soft:#3A1C19;
  --taken:#6E7A8A; --taken-soft:#1C2632; --hatch:#28333F; --mine:#93A9F5; --mine-soft:#1B2547;
  --internal:#B9A3F2; --internal-soft:#251D3D; color-scheme:dark }}
:root[data-theme="dark"]{
  --bg:#0D141D; --surface:#151F2B; --ink:#E8EDF3; --muted:#9AA7B8; --line:#26323F;
  --accent:#4CC2B7; --accent-soft:#12312F; --accent-ink:#06201E;
  --amber:#F0B45A; --amber-soft:#33260F; --coral:#F08A7E; --coral-soft:#3A1C19;
  --taken:#6E7A8A; --taken-soft:#1C2632; --hatch:#28333F; --mine:#93A9F5; --mine-soft:#1B2547;
  --internal:#B9A3F2; --internal-soft:#251D3D; color-scheme:dark }
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:15px;line-height:1.5}
.wrap{max-width:1480px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-block:20px 120px}
h1,h2,h3{font-family:var(--f-display);text-wrap:balance;margin:0;letter-spacing:-.01em}
h1{font-size:clamp(1.7rem,4vw,2.4rem);line-height:1.1}
h2{font-size:1.3rem}
h3{font-size:1.02rem}
p{margin:0}
.muted{color:var(--muted)}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.eyebrow{font-size:.72rem;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);font-weight:600}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* preview switch */
.switch{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;padding:10px 12px;border:1px dashed var(--line);border-radius:10px;margin-bottom:22px;font-size:.85rem}
.seg{display:inline-flex;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:3px}
.seg button{border:0;background:none;padding:5px 12px;border-radius:999px;color:var(--muted);font-weight:500}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--bg)}
.switch select{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:5px 8px}

header.top{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;align-items:flex-end;margin-bottom:22px}
.brand{display:flex;flex-direction:column;gap:6px;min-width:0}
.forwho{font-size:.9rem;color:var(--muted)}
.forwho b{color:var(--ink)}
.stats{display:flex;flex-wrap:wrap;gap:22px}
.stat{display:flex;flex-direction:column}
.stat .v{font-family:var(--f-display);font-size:1.5rem;font-variant-numeric:tabular-nums}
.stat .l{font-size:.75rem;color:var(--muted)}

.grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:22px;align-items:start}
@media (max-width:900px){.grid{grid-template-columns:minmax(0,1fr)}}
.col{display:flex;flex-direction:column;gap:22px;min-width:0}

.panel{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px;display:flex;flex-direction:column;gap:14px;min-width:0}
.panel.internal{border-color:color-mix(in srgb,var(--internal) 40%,var(--line))}
.tag-internal{display:inline-block;font-size:.68rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--internal);background:var(--internal-soft);padding:2px 8px;border-radius:999px;margin-left:8px;vertical-align:middle}
.phead{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;align-items:baseline}

/* legend + filters */
.legend{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:.78rem;color:var(--muted)}
.legend span{display:inline-flex;align-items:center;gap:6px}
.dot{width:10px;height:10px;border-radius:3px;display:inline-block}
.filters{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.filters input[type=search],.filters select{background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:7px 10px;min-width:0}
.filters input[type=search]{flex:1 1 180px}
.chk{display:inline-flex;gap:6px;align-items:center;font-size:.85rem}

/* tiers strip */
.tiers{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}
.tier{border:1px solid var(--line);border-radius:10px;padding:10px 12px;display:flex;flex-direction:column;gap:2px;background:var(--bg)}
.tier .n{font-weight:600}
.tier .r{font-size:.75rem;color:var(--muted)}
.tier .pp{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:8px;padding-top:8px;border-top:1px solid var(--line)}
.tier .pc{display:flex;flex-direction:column;gap:1px}
.tier .pl{font-size:.66rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.tier .pv{font-family:var(--f-mono);font-size:1rem;font-variant-numeric:tabular-nums}

/* rows */
.rows{display:flex;flex-direction:column}
textarea.draft{width:100%;font:inherit;font-size:.86rem;line-height:1.5;color:var(--ink);resize:vertical}
textarea.draft:focus{outline:2px solid var(--accent);outline-offset:1px}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:8px 16px;font-size:.88rem}
.facts>div{display:flex;flex-direction:column;gap:2px}
.rgs{display:flex;flex-direction:column;gap:4px}
.rg>summary{cursor:pointer;font-size:.86rem}
.clist{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px 20px;margin-top:10px}
.cgrp{display:flex;flex-direction:column;gap:6px;min-width:0}
.chips{display:flex;flex-wrap:wrap;gap:5px}
.chip{font-size:.8rem;padding:3px 9px;border-radius:999px;background:var(--mine-soft);color:var(--mine);white-space:nowrap}
.what{margin:0;padding-left:18px;font-size:.82rem;color:var(--muted);display:flex;flex-direction:column;gap:3px}
.what b{color:var(--ink);font-weight:600}
.step{display:flex;flex-direction:column;gap:8px;border:1px solid var(--line);border-radius:10px;padding:12px;background:var(--surface)}
details.qi>summary{list-style:none}
details.qi>summary::-webkit-details-marker{display:none}
details.qi>summary>span:first-child::before{content:"▸ ";color:var(--muted)}
details.qi[open]>summary>span:first-child::before{content:"▾ "}
.inv{width:100%;border-collapse:collapse;font-size:.86rem;background:var(--surface);border:1px solid var(--line);border-radius:8px}
.inv th{text-align:left;font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:600;padding:7px 10px;border-bottom:1px solid var(--line)}
.inv td{padding:6px 10px;border-bottom:1px solid var(--line)}
.inv .num{text-align:right;font-family:var(--f-mono);font-variant-numeric:tabular-nums;white-space:nowrap}
.inv tfoot td{border-bottom:0}
.inv tfoot tr:first-child td{border-top:1px solid var(--line)}
.inv .offer td{font-weight:600;border-top:1px solid var(--line)}
.inv .neg{color:var(--coral)}
.fold{border:1px solid var(--line);border-radius:12px;background:var(--surface)}
.fold>summary{cursor:pointer;padding:14px 18px;font-family:var(--f-display);font-weight:700;font-size:1.05rem;list-style-position:inside}
.fold[open]>summary{border-bottom:1px solid var(--line)}
.fold-in{display:flex;flex-direction:column;gap:14px;padding:14px}
.fold-in>.panel{border:0;padding:4px}
.fold-in>.panel .phead h2 .tag-internal{display:none}
.regs{display:flex;flex-wrap:wrap;gap:6px}
.reg{border:1px solid var(--line);background:var(--bg);border-radius:999px;padding:5px 12px;font-size:.84rem;color:var(--ink)}
.reg .mono{color:var(--muted);font-size:.75rem;margin-left:2px}
.reg[aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.reg[aria-pressed="true"] .mono{color:var(--bg);opacity:.75}
.ghead{display:flex;justify-content:space-between;align-items:baseline;padding:16px 0 6px;border-bottom:1px solid var(--line);font-family:var(--f-display);font-weight:700;font-size:1rem}
.ghead+.row{border-top:0}
.row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:center;padding:6px 0;border-top:1px solid var(--line)}
.row:first-child{border-top:0}
.art{display:flex;flex-direction:column;min-width:0}
.art .nm{font-weight:600;overflow-wrap:anywhere}
.art .meta{font-size:.76rem;color:var(--muted);display:flex;gap:8px;flex-wrap:wrap}
.tchip{font-size:.68rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;padding:1px 6px;border-radius:4px;border:1px solid var(--line)}
.tchip.Premium{color:var(--accent);border-color:var(--accent)}
.seats{display:flex;gap:6px}
.seat{width:260px;border-radius:8px;padding:6px 10px;border:1.5px solid transparent;text-align:left;display:grid;grid-template-columns:auto minmax(0,1fr) auto;column-gap:8px;row-gap:1px;align-items:baseline;line-height:1.25;background:var(--taken-soft);color:var(--taken)}
.seat.taken{background:repeating-linear-gradient(135deg,var(--taken-soft) 0 7px,var(--hatch) 7px 14px);border-color:var(--hatch);color:var(--muted)}
.seat.taken .st{font-weight:600}
.seat.taken.plain{background:var(--taken-soft);border-color:var(--line)}
.seat.taken .st::before{content:"";display:inline-block;width:9px;height:10px;margin-right:6px;vertical-align:-1px;background:currentColor;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 9 10'%3E%3Crect x='0' y='4' width='9' height='6' rx='1'/%3E%3Cpath d='M2 4V3a2.5 2.5 0 0 1 5 0v1' fill='none' stroke='black' stroke-width='1.4'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 9 10'%3E%3Crect x='0' y='4' width='9' height='6' rx='1'/%3E%3Cpath d='M2 4V3a2.5 2.5 0 0 1 5 0v1' fill='none' stroke='black' stroke-width='1.4'/%3E%3C/svg%3E") center/contain no-repeat}
.seat.mine{background:var(--mine-soft);color:var(--mine);border-color:color-mix(in srgb,var(--mine) 30%,transparent)}
.seat.mine.renew{border-color:var(--mine)}
.seat.mine .st::before{content:"";display:inline-block;width:15px;height:15px;margin-right:6px;vertical-align:-3px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Ccircle cx='8' cy='8' r='8' fill='%231E8C5A'/%3E%3Cpath d='M4.6 8.3l2.2 2.2 4.6-4.8' fill='none' stroke='white' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat}
.seat.mine.renew:not([disabled]):hover{background:color-mix(in srgb,var(--mine) 16%,var(--surface))}
.seat.mine.selected{background:var(--mine);color:var(--surface)}
.seat .sub{grid-column:1/-1;font-size:.74rem;opacity:.85;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.seat .badge{font-size:.7rem;font-weight:700;padding:2px 8px;border-radius:999px;background:var(--amber-soft);color:var(--amber);border:1px solid color-mix(in srgb,var(--amber) 35%,transparent);white-space:nowrap;letter-spacing:.01em}
.seat .badge.due{background:var(--coral-soft);color:var(--coral);border-color:color-mix(in srgb,var(--coral) 35%,transparent)}
.seat.mine.selected .badge{background:var(--surface);color:var(--mine)}
.seat.opt{border-style:dashed}
.seat.opt.selected{border-style:solid}
.seat .who{grid-column:1/-1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.seat .st{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.seats{align-items:stretch}
.seat{min-height:52px;align-content:center}
.seat .pos{font-size:.66rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase}
.seat .st{font-size:.78rem;font-weight:500}
.seat .pr{font-family:var(--f-mono);font-size:.8rem}
.seat.available{background:var(--accent-soft);color:var(--accent);border-color:color-mix(in srgb,var(--accent) 35%,transparent)}
.seat.available:hover{border-color:var(--accent)}
.seat.selected{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.seat.reserved{background:var(--amber-soft);color:var(--amber)}
.seat.mine{background:var(--mine-soft);color:var(--mine);border-color:color-mix(in srgb,var(--mine) 35%,transparent)}
.seat.mine.selected{background:var(--mine);color:var(--surface)}
.seat[disabled]{cursor:default}
.seat .who{font-size:.7rem;color:var(--internal);font-weight:600}
@media (max-width:1100px){.row{grid-template-columns:minmax(0,1fr)}.seat{flex:1 1 0;width:auto}.seats{width:100%}}

/* current placements */
.cur{display:flex;flex-direction:column}
.cur .ci{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:10px;align-items:center;padding:8px 0;border-top:1px solid var(--line);font-size:.9rem}
.cur .ci:first-child{border-top:0}
.pill{font-size:.72rem;font-weight:600;padding:2px 8px;border-radius:999px;white-space:nowrap}
.pill.due{background:var(--coral-soft);color:var(--coral)}
.pill.soon{background:var(--amber-soft);color:var(--amber)}
.pill.ok{background:var(--accent-soft);color:var(--accent)}
.pill.fr{background:var(--mine-soft);color:var(--mine)}
.btn{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:8px 14px;font-weight:600}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.primary[disabled]{opacity:.5;cursor:not-allowed}
.btn.small{padding:5px 10px;font-size:.82rem}
.btn.ghost{background:none}

/* add-ons */
.addon{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center;padding:12px;border:1px solid var(--line);border-radius:10px;background:var(--bg)}
.qty{display:inline-flex;align-items:center;gap:6px}
.qty button{width:30px;height:30px;border:1px solid var(--line);background:var(--surface);border-radius:8px;font-weight:600}

/* selection rail */
.rail{position:sticky;top:calc(env(safe-area-inset-top,0px) + 12px)}
.sel-list{display:flex;flex-direction:column;gap:4px;max-height:280px;overflow:auto;font-size:.88rem}
.sel-item{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:8px;align-items:center}
.sel-item .x{border:0;background:none;color:var(--muted);font-size:1rem;padding:0 4px}
.sum{display:flex;justify-content:space-between;font-size:.9rem}
.sum.total{font-weight:600;font-size:1rem;border-top:1px solid var(--line);padding-top:8px}
label.fl{display:flex;flex-direction:column;gap:4px;font-size:.82rem;color:var(--muted)}
label.fl input,label.fl textarea{background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:8px 10px;color:var(--ink)}
.note{font-size:.8rem;color:var(--muted)}
.done{background:var(--accent-soft);color:var(--accent);border-radius:10px;padding:12px;font-size:.9rem}

.mbar{display:none}
@media (max-width:900px){
  .rail{position:static}
  .mbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:20;background:var(--ink);color:var(--bg);justify-content:space-between;align-items:center;gap:12px;
    padding:12px max(16px,env(safe-area-inset-right,0px)) calc(12px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px))}
  .mbar button{background:var(--accent);color:var(--accent-ink);border:0;border-radius:8px;padding:8px 14px;font-weight:600}
}

/* internal */
.how{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;counter-reset:s}
.how li{list-style:none;border:1px solid var(--line);border-radius:10px;padding:12px;background:var(--bg);font-size:.88rem;display:flex;flex-direction:column;gap:4px}
.how li b{font-family:var(--f-display);font-size:.95rem}
.how li::before{counter-increment:s;content:"Step " counter(s);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--internal);font-weight:600}
.how{padding:0;margin:0}
.tbl{width:100%;border-collapse:collapse;font-size:.88rem}
.tbl th{text-align:left;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:600;padding:6px 8px;border-bottom:1px solid var(--line)}
.tbl td{padding:7px 8px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl input{width:80px;background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:4px 6px;font-family:var(--f-mono)}
.scroll{overflow-x:auto}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px}
.kpi{border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:var(--bg)}
.kpi .v{font-family:var(--f-display);font-size:1.4rem;font-variant-numeric:tabular-nums}
.kpi .l{font-size:.75rem;color:var(--muted)}
.bar{height:8px;border-radius:4px;background:var(--taken-soft);overflow:hidden;display:flex}
.bar i{display:block;height:100%}
.queue{display:flex;flex-direction:column;gap:8px}
.qi{border:1px solid var(--line);border-radius:10px;padding:10px 12px;display:flex;flex-direction:column;gap:8px;background:var(--bg)}
.qi .h{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;align-items:center}
.draft{white-space:pre-wrap;font-size:.85rem;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:10px}
.acts{display:flex;flex-wrap:wrap;gap:8px}
.access-add{display:flex;flex-wrap:wrap;gap:8px}
.access-add input,.access-add select{background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:7px 10px;min-width:0}
.access-add input{flex:1 1 200px}
.ex{font-size:.68rem;font-weight:600;color:var(--amber);background:var(--amber-soft);padding:1px 6px;border-radius:4px;margin-left:6px}
.topbar{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;justify-content:flex-end;font-size:.82rem;color:var(--muted);margin-bottom:10px;min-height:20px}
.topbar button{border:0;background:none;color:var(--accent);font-weight:600;padding:0}
.gate{max-width:560px;margin:56px auto 0}
.gate p{line-height:1.6}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:10px;font-size:.88rem;z-index:50;max-width:calc(100vw - 32px);box-shadow:0 6px 24px rgba(0,0,0,.18)}
.tbl input.wide{width:100%;min-width:160px;font-family:var(--f-body)}
.linkcell{display:flex;gap:6px;flex-wrap:wrap}
.loading{padding:60px 0;text-align:center;color:var(--muted)}
.fold-in .dup{display:none}