:root{--bg:#f5f7fa;--panel:#fff;--fg:#14202b;--muted:#5b6875;--line:#d9dee4;--accent:#0b6bcb;--accent-fg:#fff;--free:#17803f;--free-bg:#e3f5ea;--busy:#5e6975;--busy-bg:#e9ecf0;--held:#0b6bcb;--held-bg:#dceafb;--pend:#9a5b00;--pend-bg:#fdefd6;--unk:#8a96a3;--unk-bg:#fff;--danger:#b42318;--warn-bg:#fff6e0;--warn-line:#f0c46b;color-scheme:light}
@media (prefers-color-scheme:dark){:root{--bg:#0f141a;--panel:#161d25;--fg:#e6edf3;--muted:#9aa7b4;--line:#2a3440;--accent:#3d95f0;--accent-fg:#fff;--free:#5fd39a;--free-bg:#163a29;--busy:#a3adb8;--busy-bg:#232c36;--held:#6ab0ff;--held-bg:#15314f;--pend:#f2bd66;--pend-bg:#3b2b10;--unk:#6c7884;--unk-bg:#161d25;--danger:#ff7b72;--warn-bg:#2e2410;--warn-line:#6b5420;color-scheme:dark}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
.wrap{max-width:1100px;margin:0 auto;padding:20px max(16px,env(safe-area-inset-right)) 48px max(16px,env(safe-area-inset-left))}
header.top{margin-bottom:12px}
header.top h1{font-size:24px;margin:0 0 2px}
header.top p{margin:0;color:var(--muted)}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin:14px 0}
.panel h2{font-size:18px;margin:0 0 10px}
.panel.ask{background:var(--warn-bg);border-color:var(--warn-line)}
.steps{display:flex;gap:10px;flex-wrap:wrap;margin:0;padding:0;list-style:none}
.steps li{flex:1 1 220px;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-size:14px}
.steps b{display:block;font-size:13px;color:var(--accent)}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
label{color:var(--muted);font-size:13px;display:block;margin-bottom:4px}
label.inline{display:inline-flex;align-items:center;gap:6px;margin:0;font-size:15px;color:var(--fg)}
input[type=text],textarea,select{font:inherit;color:var(--fg);background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:9px 11px;min-width:0}
input[type=text]{flex:1 1 200px}
textarea{width:100%;font-size:14px}
button{font:inherit;border:1px solid var(--line);background:var(--panel);color:var(--fg);border-radius:8px;padding:9px 14px;cursor:pointer;min-height:44px}
button.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-fg);font-weight:600}
button.link{border:0;background:none;color:var(--accent);padding:4px 0;min-height:0;font-size:13px;text-decoration:underline}
button.danger{color:var(--danger)}
button:disabled{opacity:.45;cursor:default}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{border-radius:999px;padding:6px 14px;font-size:14px;min-height:36px}
.chip.on{background:var(--accent);border-color:var(--accent);color:var(--accent-fg)}
.muted{color:var(--muted)}
.small{font-size:13px}
.err{color:var(--danger)}
.ok{color:var(--free)}
.weeknav{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:6px 0 10px}
.weeknav strong{min-width:190px;text-align:center}
button.nav{min-width:92px}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.legend span::before{content:"";display:inline-block;width:14px;height:14px;border-radius:4px;margin-right:6px;vertical-align:-2px;border:1px solid var(--line)}
.legend .l-free::before{background:var(--free-bg);border-color:var(--free)}
.legend .l-busy::before{background:var(--busy-bg);border-color:var(--busy)}
.legend .l-pending::before{background:var(--pend-bg);border-color:var(--pend)}
.legend .l-held::before{background:var(--held-bg);border-color:var(--held)}
.legend .l-unknown::before{background:var(--unk-bg)}
.gridwrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:var(--panel)}
table.week{border-collapse:collapse;width:100%;min-width:560px}
table.week th,table.week td{border-bottom:1px solid var(--line);padding:6px;vertical-align:middle}
table.week tbody tr:last-child th,table.week tbody tr:last-child td{border-bottom:0}
table.week thead th{font-size:14px;color:var(--muted);font-weight:600;text-align:center}
th.who{text-align:left;min-width:150px;max-width:220px;position:sticky;left:0;background:var(--panel);z-index:1}
th.who .name{font-weight:600}
.halves{display:flex;gap:4px}
.slot{flex:1;min-width:52px;min-height:52px;border-radius:8px;padding:4px 2px;display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1.15;border:1px solid var(--line);background:var(--unk-bg);color:var(--unk)}
.slot .h{font-size:11px;opacity:.8}
.slot .t{font-size:14px;font-weight:600}
.slot.free{background:var(--free-bg);border-color:var(--free);color:var(--free)}
.slot.busy{background:var(--busy-bg);border-color:var(--busy);color:var(--busy)}
.slot.pending{background:var(--pend-bg);border-color:var(--pend);color:var(--pend)}
.slot.held{background:var(--held-bg);border-color:var(--held);color:var(--held)}
.slot.past{opacity:.35}
button.slot:disabled{opacity:1;cursor:default}
button.slot:not(:disabled):hover{outline:2px solid var(--accent);outline-offset:1px}
.savebar{position:sticky;bottom:12px;display:flex;justify-content:flex-end;gap:8px;align-items:center;margin-top:10px}
.pill{background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:14px;box-shadow:0 2px 8px #0002}
.list{list-style:none;margin:0;padding:0}
.list li{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:10px 0;border-bottom:1px solid var(--line)}
.list li:last-child{border-bottom:0}
.list .grow{flex:1 1 240px}
.badge{font-size:12px;border-radius:999px;padding:2px 10px;border:1px solid var(--line);white-space:nowrap}
.badge.pending{background:var(--pend-bg);border-color:var(--pend)}
.badge.confirmed{background:var(--held-bg);border-color:var(--held)}
.badge.declined,.badge.expired{background:var(--busy-bg)}
dialog{border:1px solid var(--line);border-radius:14px;background:var(--panel);color:var(--fg);width:min(560px,94vw);padding:20px}
dialog::backdrop{background:#0007}
dialog h2{margin-top:0;font-size:19px}
.copybox{display:flex;gap:8px;align-items:flex-start;margin:8px 0}
.copybox input,.copybox textarea{flex:1;font-family:ui-monospace,Menlo,monospace;font-size:13px}
details summary{cursor:pointer;color:var(--accent);font-weight:600;padding:6px 0}
@media (max-width:600px){th.who{min-width:96px;max-width:120px}table.week{min-width:0}header.top h1{font-size:21px}.slot{min-width:44px;min-height:48px}.weeknav strong{min-width:0;flex:1 1 100%;order:-1;text-align:left}}
dialog input[type=text]{width:100%;flex:none}