/* Corvus Reminders — all styling lives here. Tokens follow Daymark/Briefsort (Julian's spec). */
[hidden] { display: none !important; }
:root {
  --text: #111; --muted: #555; --page: #F7F7F8; --card: #fff; --border: #E3E3E8;
  --accent: #1F5FBF; --accent-ink: #fff; --accent-soft: #E8EFFA;
  --urgent: #B3261E; --urgent-soft: #FCE8E6; --amber: #8A5300; --amber-soft: #FFF3D6;
  --ok: #1E7B34; --ok-soft: #E3F4E7; --focus: #1F5FBF;
  --radius: 12px; --gap: 16px; --tap: 44px; --hdr: 56px; --tabs: 56px; --col: 640px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --text: #F2F2F4; --muted: #B4B4BC; --page: #121214; --card: #1C1C20; --border: #34343A;
    --accent: #7FAAF0; --accent-ink: #0B1A33; --accent-soft: #1E2A40; --urgent: #FF8A80; --urgent-soft: #3A1D1B;
    --amber: #FFC966; --amber-soft: #3A2C10; --ok: #7DD69A; --ok-soft: #183323; --focus: #9DBDF5; }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--page); color: var(--text); font: 16px/1.45 var(--font); -webkit-text-size-adjust: 100%; }
body { padding-bottom: calc(var(--tabs) + env(safe-area-inset-bottom)); }
body:has(#tabs[hidden]) { padding-bottom: env(safe-area-inset-bottom); } /* no tab bar on /pair, /setup */
body:has(#tabs[hidden]) .toast { bottom: calc(16px + env(safe-area-inset-bottom)); }
button, input, select { font: inherit; color: inherit; }
a { color: var(--accent); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 6px; }
.skip { position: absolute; left: -999px; top: 0; background: var(--card); padding: 8px 12px; z-index: 10; }
.skip:focus { left: 8px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
main { max-width: var(--col); margin: 0 auto; padding: 12px 16px 24px; outline: none; }

/* Header + tabs */
.hdr { position: sticky; top: 0; z-index: 5; height: calc(var(--hdr) + env(safe-area-inset-top)); display: flex; align-items: center; justify-content: space-between;
  padding: 0 16px; padding-top: env(safe-area-inset-top); background: var(--page); border-bottom: 1px solid var(--border); max-width: none; }
.hdr-name { font-size: 20px; margin: 0; font-weight: 700; }
.hdr-right { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 14px; }
.tabs { position: fixed; bottom: 0; left: 0; right: 0; z-index: 5; display: flex; justify-content: center; gap: 0;
  background: var(--card); border-top: 1px solid var(--border); padding-bottom: env(safe-area-inset-bottom); }
.tab { flex: 0 1 320px; min-height: var(--tabs); display: flex; align-items: center; justify-content: center; text-decoration: none; color: var(--muted); font-weight: 600; }
.tab[aria-current="page"] { color: var(--accent); box-shadow: inset 0 3px 0 var(--accent); }

/* Banners */
.banner { max-width: var(--col); margin: 8px auto 0; padding: 10px 16px; border-radius: var(--radius); background: var(--amber-soft); color: var(--amber); font-size: 15px; }
.banner.err { display: flex; justify-content: space-between; align-items: center; gap: 8px; }

/* Cards */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; margin: 0 0 12px; position: relative; }
.skel { height: 120px; background: linear-gradient(90deg, var(--card), var(--border), var(--card)); background-size: 200% 100%; animation: sk 1.2s infinite; }
@keyframes sk { to { background-position: -200% 0; } }
@media (prefers-reduced-motion: reduce) { .skel { animation: none; } * { transition: none !important; } }
h2 { font-size: 17px; margin: 0 0 8px; }
.muted { color: var(--muted); }
.small { font-size: 14px; }

/* Buttons */
.btn { min-height: var(--tap); min-width: var(--tap); padding: 0 16px; border-radius: 10px; border: 1px solid var(--border); background: var(--card); cursor: pointer; font-weight: 600; }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.link { border: 0; background: none; color: var(--accent); padding: 0 8px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.block { width: 100%; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }

/* Summary card */
.summary h2 { margin-bottom: 4px; }
.sum-line { display: block; width: 100%; text-align: left; min-height: var(--tap); padding: 10px 0; border: 0; border-bottom: 1px solid var(--border); background: none; cursor: pointer; }
.sum-line:last-of-type { border-bottom: 0; }
.sum-line.amber { color: var(--amber); font-weight: 600; }
.sum-foot { display: flex; justify-content: flex-end; }

/* Chips */
.chips { position: sticky; top: calc(var(--hdr) + env(safe-area-inset-top)); z-index: 4; display: flex; gap: 8px; overflow-x: auto; padding: 8px 16px; margin: 0 -16px 8px; background: var(--page); scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chip { flex: 0 0 auto; min-height: var(--tap); padding: 0 14px; border-radius: 22px; border: 1px solid var(--border); background: var(--card); cursor: pointer; white-space: nowrap; }
.chip[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.chip .n { margin-left: 6px; font-size: 13px; opacity: .85; }

/* Next up */
.nextup { padding: 8px 16px; }
.nextup h2 { margin: 8px 0 4px; }
.nu-row { display: block; width: 100%; text-align: left; min-height: var(--tap); padding: 10px 0; border: 0; border-top: 1px solid var(--border); background: none; cursor: pointer; }

/* Feed */
.day { position: sticky; top: calc(var(--hdr) + env(safe-area-inset-top) + 60px); z-index: 3; font-size: 14px; font-weight: 700; color: var(--muted); padding: 6px 0; background: var(--page); margin: 8px 0 4px; }
.item { overflow: hidden; touch-action: pan-y; transition: transform .15s ease; }
.item.unread::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--accent); border-radius: var(--radius) 0 0 var(--radius); }
.item.hl { box-shadow: 0 0 0 3px var(--focus); }
.meta { display: flex; flex-wrap: wrap; gap: 6px 8px; align-items: center; font-size: 14px; color: var(--muted); margin-bottom: 6px; }
.pill { font-size: 13px; padding: 2px 8px; border-radius: 10px; background: var(--accent-soft); color: var(--text); }
.pill.urgent { background: var(--urgent-soft); color: var(--urgent); font-weight: 700; }
.pill.low { background: none; padding: 0; color: var(--muted); }
.title { font-size: 17px; font-weight: 600; margin: 0 0 4px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.body { font-size: 15px; color: var(--muted); margin: 0; white-space: pre-wrap; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.body.open { display: block; }
.actions { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.actions .btn { min-height: var(--tap); }
.more-rows { margin-top: 8px; border-top: 1px solid var(--border); }
.more-row { padding: 8px 0; font-size: 15px; border-bottom: 1px solid var(--border); }
.tag { font-size: 13px; color: var(--muted); font-style: italic; }
.empty { text-align: center; padding: 32px 16px; }

/* Setup */
.steps { list-style: none; padding: 0; margin: 0; counter-reset: s; }
.step { display: grid; grid-template-columns: 36px 1fr; gap: 12px; padding: 16px 0; border-bottom: 1px solid var(--border); }
.step:last-child { border-bottom: 0; }
.num { width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; background: var(--accent-soft); font-weight: 700; }
.step.done .num { background: var(--ok-soft); color: var(--ok); }
.step h3 { margin: 4px 0 6px; font-size: 17px; }
.note { font-size: 15px; color: var(--muted); margin: 6px 0; }
.ok { color: var(--ok); font-weight: 600; }
.warn { color: var(--amber); }

/* Settings */
.sec { scroll-margin-top: calc(var(--hdr) + env(safe-area-inset-top) + 8px); }
.setrow { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.setrow:last-child { border-bottom: 0; }
@media (max-width: 767px) { .setrow.catrow { flex-direction: column; align-items: stretch; gap: 8px; } .setrow.catrow .seg { display: flex; width: 100%; } .setrow.catrow .seg label { flex: 1; } }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.seg label { position: relative; }
.seg input { position: absolute; opacity: 0; inset: 0; margin: 0; }
.seg span { display: flex; align-items: center; justify-content: center; min-height: var(--tap); min-width: 64px; padding: 0 12px; cursor: pointer; font-size: 15px; border-left: 1px solid var(--border); }
.seg label:first-child span { border-left: 0; }
.seg input:checked + span { background: var(--accent); color: var(--accent-ink); font-weight: 600; }
.seg input:focus-visible + span { outline: 3px solid var(--focus); outline-offset: -3px; }
.seg.vert { display: flex; flex-direction: column; width: 100%; }
.seg.vert span { justify-content: flex-start; border-left: 0; border-top: 1px solid var(--border); }
.seg.vert label:first-child span { border-top: 0; }
.switch { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: var(--tap); width: 100%; }
.switch input { width: 48px; height: 28px; accent-color: var(--accent); }
input[type="time"], input[type="text"] { min-height: var(--tap); padding: 0 10px; border: 1px solid var(--border); border-radius: 10px; background: var(--card); }
.tchip { display: inline-flex; align-items: center; gap: 2px; padding-left: 12px; border: 1px solid var(--border); border-radius: 22px; background: var(--card); }
.tchip .btn { border: 0; background: none; min-width: var(--tap); }
.sentence { font-size: 15px; color: var(--muted); margin: 8px 0 0; }

/* Pairing */
.code { font: 700 28px var(--mono); letter-spacing: .3em; text-transform: uppercase; width: 100%; text-align: center; min-height: 60px; border: 1px solid var(--border); border-radius: 12px; background: var(--card); }
.err-text { color: var(--urgent); }
.pairbox { font: 600 22px var(--mono); letter-spacing: .2em; text-align: center; padding: 12px; background: var(--accent-soft); border-radius: 10px; word-break: break-all; }
.pairbox.big { font-size: 40px; padding: 18px 12px; margin: 12px 0 4px; }

/* Toast + sheet */
.toast { position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(var(--tabs) + 16px + env(safe-area-inset-bottom)); z-index: 20;
  max-width: calc(100% - 32px); display: none; align-items: center; gap: 12px; padding: 8px 8px 8px 16px; border-radius: 12px; background: #222; color: #fff; }
.toast.show { display: flex; }
.toast .btn { background: none; color: #9DBDF5; border: 0; }
.sheet { border: 0; padding: 0; margin: auto auto 0; width: 100%; max-width: var(--col); border-radius: 16px 16px 0 0; background: var(--card); color: var(--text); }
.sheet::backdrop { background: rgba(0,0,0,.45); }
.sheet-in { padding: 16px 16px calc(16px + env(safe-area-inset-bottom)); }
.sheet .btn { width: 100%; margin-top: 8px; justify-content: flex-start; text-align: left; }
@media (min-width: 768px) { main { padding-top: 20px; } .sheet { margin: auto; border-radius: 16px; } }
.segwrap { border: 0; padding: 0; margin: 0; min-width: 0; }
.my8 { margin: 8px 0; } .mt6 { margin-top: 6px; } .full { width: 100%; } .center { text-align: center; } .brk { word-break: break-all; }
.navrow { display: flex; align-items: center; justify-content: space-between; text-decoration: none; color: inherit; }