/* Layout: phone-first app shell — sticky header, single column (max 760px), fixed bottom tab bar */
:root{
  --bg:#F6F1F8; --surface:#FFFFFF; --sunk:#EEE6F1; --ink:#1E1A22; --muted:#5A5560; --line:#E4DFE8;
  --accent:#4A1F57; --accent-ink:#FFFFFF; --accent-soft:#EFE4F3; --brand-green:#4F7A22;
  --ok:#2C7A4B; --ok-soft:#DDF0E4; --warn:#9A6212; --warn-soft:#F7EAD3; --bad:#B23A3A; --bad-soft:#F7DEDE;
  --display:"Lexend", "Segoe UI", system-ui, sans-serif;
  --body:"Source Sans 3", "Segoe UI", system-ui, sans-serif;
  --mono:"JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#160B1A; --surface:#22142A; --sunk:#2D1C36; --ink:#F1EAF4; --muted:#B3A6BA; --line:#3A2846;
  --accent:#C79BD6; --accent-ink:#1E0B24; --accent-soft:#3A2346; --brand-green:#A9D272;
  --ok:#6BCB8E; --ok-soft:#173726; --warn:#E3AA55; --warn-soft:#3A2C14; --bad:#EE8A8A; --bad-soft:#401E1E; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#160B1A; --surface:#22142A; --sunk:#2D1C36; --ink:#F1EAF4; --muted:#B3A6BA; --line:#3A2846;
  --accent:#C79BD6; --accent-ink:#1E0B24; --accent-soft:#3A2346; --brand-green:#A9D272;
  --ok:#6BCB8E; --ok-soft:#173726; --warn:#E3AA55; --warn-soft:#3A2C14; --bad:#EE8A8A; --bad-soft:#401E1E; color-scheme:dark}

*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:15px;line-height:1.5;
  padding-left:max(16px, env(safe-area-inset-left,0px));padding-right:max(16px, env(safe-area-inset-right,0px))}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--surface)}
h1,h2,h3{font-family:var(--display);margin:0;text-wrap:balance;letter-spacing:-.01em}
h1{font-size:1.6rem} h2{font-size:1.2rem} h3{font-size:1rem}
.wrap{max-width:760px;margin:0 auto}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:.85em}
.muted{color:var(--muted)}
.label{font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:600}
button,select,input,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* header */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:var(--surface);border-bottom:1px solid var(--line);
  margin-left:calc(-1 * max(16px, env(safe-area-inset-left,0px)));margin-right:calc(-1 * max(16px, env(safe-area-inset-right,0px)));
  padding-left:max(16px, env(safe-area-inset-left,0px));padding-right:max(16px, env(safe-area-inset-right,0px))}
.top .wrap{display:flex;align-items:center;gap:12px;padding-block:12px}
.brand{display:flex;align-items:center;gap:10px;min-width:0;flex:1}
.mark{width:32px;height:32px;border-radius:9px;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;font-family:var(--display);font-weight:700;flex:none}
.logo-chip{background:#FFFFFF;border-radius:12px;padding:6px 8px;display:inline-flex;flex:none;border:1px solid var(--line)}
.logo-img{height:56px;width:auto;display:block}
.logo-chip.small .logo-img{height:34px}
.logo-chip.small{padding:3px 6px;border-radius:9px}
.login-brand{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.brand b{font-family:var(--display);font-size:1rem;display:block;line-height:1.1}
.brand small{color:var(--muted);font-size:.78rem;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.proto{font-size:.7rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;background:var(--warn-soft);color:var(--warn);padding:3px 8px;border-radius:99px;white-space:nowrap}

main.wrap{display:flex;flex-direction:column;gap:18px;padding-block:20px 110px}

/* bottom nav */
nav.tabs{position:fixed;left:0;right:0;bottom:0;z-index:5;background:var(--surface);border-top:1px solid var(--line);
  padding:6px max(8px, env(safe-area-inset-right,0px)) calc(6px + env(safe-area-inset-bottom,0px)) max(8px, env(safe-area-inset-left,0px))}
nav.tabs .wrap{display:flex;justify-content:space-around;gap:4px}
nav.tabs button{background:none;border:0;padding:8px 6px;border-radius:10px;display:flex;flex-direction:column;align-items:center;gap:2px;font-size:.72rem;color:var(--muted);flex:1;cursor:pointer;min-width:0}
nav.tabs button svg{width:22px;height:22px}
nav.tabs button[aria-current="page"]{color:var(--accent);background:var(--accent-soft);font-weight:600}

/* blocks */
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:12px;min-width:0}
.section{display:flex;flex-direction:column;gap:10px}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap}
.row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.spread{justify-content:space-between}
.list{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.item{display:flex;gap:12px;align-items:center;padding:12px 14px;border-top:1px solid var(--line);min-width:0}
.item:first-child{border-top:0}
.item .grow{flex:1 1 150px;min-width:0}
.item{flex-wrap:wrap}
.item .grow b{display:block}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--sunk);display:grid;place-items:center;font-weight:600;font-size:.8rem;flex:none;color:var(--ink)}

.pill{display:inline-flex;align-items:center;gap:6px;font-size:.75rem;font-weight:600;padding:3px 9px;border-radius:99px;white-space:nowrap}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.ok{background:var(--ok-soft);color:var(--ok)} .warn{background:var(--warn-soft);color:var(--warn)}
.bad{background:var(--bad-soft);color:var(--bad)} .neutral{background:var(--sunk);color:var(--muted)}

.btn{border:1px solid var(--line);background:var(--surface);padding:9px 14px;border-radius:10px;font-weight:600;cursor:pointer}
.btn:hover{border-color:var(--accent)}
.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.btn.big{padding:14px 18px;font-size:1rem;width:100%}
.btn.small{padding:5px 10px;font-size:.82rem}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.danger{color:var(--bad)}

.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
@media (max-width:560px){.stats{grid-template-columns:repeat(2,minmax(0,1fr))}}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:12px 14px;display:flex;flex-direction:column;gap:2px;cursor:pointer;text-align:left}
.stat .n{font-family:var(--display);font-size:1.7rem;font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums}
.stat.alert .n{color:var(--bad)}
.stat small{color:var(--muted);font-size:.8rem}

.shift-hero{background:var(--accent);color:var(--accent-ink);border:0}
.shift-hero .label{color:inherit;opacity:.8}
.shift-hero .btn{background:var(--accent-ink);color:var(--accent);border-color:transparent}
.time-big{font-family:var(--mono);font-size:1.4rem;font-variant-numeric:tabular-nums}

.banner{padding:10px 14px;border-radius:10px;font-size:.9rem}
form{display:flex;flex-direction:column;gap:12px}
.field{display:flex;flex-direction:column;gap:5px}
.field label{font-weight:600;font-size:.88rem}
input,select,textarea{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:10px 12px;width:100%}
textarea{min-height:110px;resize:vertical}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{border:1px solid var(--line);background:var(--surface);border-radius:99px;padding:6px 12px;cursor:pointer;font-size:.85rem}
.chip[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}

.note{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px;display:flex;flex-direction:column;gap:6px}
.note p{margin:0;max-width:65ch}

.mar{width:100%;border-collapse:collapse;font-size:.9rem}
.mar th,.mar td{padding:10px 12px;border-top:1px solid var(--line);text-align:left;vertical-align:middle}
.mar th{font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);border-top:0}
.scroll{overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:14px}

.login{max-width:440px;margin:0 auto;padding-block:48px;display:flex;flex-direction:column;gap:20px}
.acct{display:flex;align-items:center;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px 16px;cursor:pointer;text-align:left;width:100%}
.acct:hover{border-color:var(--accent)}
nav.tabs button{position:relative}
.dot,.count{background:var(--bad);color:#fff;font-size:.68rem;font-weight:700;min-width:18px;height:18px;padding:0 5px;border-radius:99px;display:inline-grid;place-items:center;font-variant-numeric:tabular-nums}
.dot{position:absolute;top:3px;left:calc(50% + 4px)}
.chat-row{width:100%;background:none;border:0;border-top:1px solid var(--line);text-align:left;cursor:pointer;font:inherit;color:inherit}
.chat-row:first-child{border-top:0}
.chat-row:hover{background:var(--sunk)}
.preview{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:.88rem}
.chat-log{display:flex;flex-direction:column;gap:8px}
.bubble{max-width:82%;align-self:flex-start;background:var(--surface);border:1px solid var(--line);padding:9px 13px;border-radius:16px 16px 16px 4px;display:flex;flex-direction:column;gap:3px;overflow-wrap:anywhere}
.bubble.mine{align-self:flex-end;background:var(--accent);color:var(--accent-ink);border-color:var(--accent);border-radius:16px 16px 4px 16px}
.bubble.announce:not(.mine){background:var(--warn-soft);border-color:transparent}
.bubble .meta{font-size:.74rem;opacity:.75}
.linkbtn{background:none;border:0;padding:0;font:inherit;color:inherit;text-decoration:underline;cursor:pointer}
.bubble.deleted{background:transparent;border:1px dashed var(--line);color:var(--muted)}
.bubble.deleted.mine-del{align-self:flex-end}
.bubble.was-deleted{background:var(--bad-soft)!important;color:var(--ink)!important;border:1px solid var(--bad)!important}
.del-note{font-size:.72rem;font-weight:700;color:var(--bad);text-transform:uppercase;letter-spacing:.04em}
.composer{position:sticky;bottom:calc(72px + env(safe-area-inset-bottom,0px));flex-direction:row;gap:8px;background:var(--bg);padding-block:8px}
.composer input{flex:1;min-width:0}
.toast{position:fixed;left:50%;bottom:calc(84px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:10px;font-weight:600;z-index:20;max-width:calc(100% - 32px)}
@media (prefers-reduced-motion:no-preference){.toast{animation:pop .2s ease-out}@keyframes pop{from{opacity:0;transform:translate(-50%,8px)}}}

a.btn{text-decoration:none;display:inline-flex;align-items:center;justify-content:center}