/* Layout: white header with logo + filled-blue active tab; one 1120px column; soft #ECEEF2 cards as in the brandbook;
   payout slip as a dark #17191F card with a red wedge. Colors and fonts follow the Dudarev Motorsport brandbook. */
:root{
  --bg:#FFFFFF; --surface:#FFFFFF; --soft:#ECEEF2; --field:#FFFFFF; --ink:#17191F; --ink-2:#343946; --muted:#6B7183; --line:#D5D8E2;
  --blue:#0077FF; --blue-ink:#FFFFFF; --blue-soft:#E2EEFF;
  --red:#FE4465; --red-soft:#FFE6EB;
  --deep:#17191F; --deep-2:#343946; --deep-ink:#FFFFFF; --deep-muted:#A9AEBD;
  --ok:#1E8A55; --ok-soft:#E1F3E9; --warn:#8F5C00; --warn-soft:#FFF2D6; --danger:#E0304F;
  --logo-l:block; --logo-d:none; --logo-filter:none;
  --sans:"Golos Text",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,"SF Mono",Menlo,monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#17191F; --surface:#1F222A; --soft:#262A33; --field:#1A1D23; --ink:#ECEEF2; --ink-2:#D5D8E2; --muted:#9BA1B2; --line:#343946;
  --blue:#1F84FF; --blue-ink:#FFFFFF; --blue-soft:#152B4D;
  --red:#FE4465; --red-soft:#3E1D27;
  --deep:#101115; --deep-2:#343946; --deep-ink:#FFFFFF; --deep-muted:#A9AEBD;
  --ok:#5CCB92; --ok-soft:#163124; --warn:#E6B45A; --warn-soft:#352A12; --danger:#FF6B82;
  --logo-l:none; --logo-d:block; --logo-filter:invert(1); color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#17191F; --surface:#1F222A; --soft:#262A33; --field:#1A1D23; --ink:#ECEEF2; --ink-2:#D5D8E2; --muted:#9BA1B2; --line:#343946;
  --blue:#1F84FF; --blue-ink:#FFFFFF; --blue-soft:#152B4D;
  --red:#FE4465; --red-soft:#3E1D27;
  --deep:#101115; --deep-2:#343946; --deep-ink:#FFFFFF; --deep-muted:#A9AEBD;
  --ok:#5CCB92; --ok-soft:#163124; --warn:#E6B45A; --warn-soft:#352A12; --danger:#FF6B82;
  --logo-l:none; --logo-d:block; --logo-filter:invert(1); color-scheme:dark}
*{box-sizing:border-box}
html,body{min-height:100%}
body{margin:0}
img{max-width:100%}
[hidden]{display:none!important}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.5}
h1,h2,h3{margin:0;text-wrap:balance;color:var(--ink);letter-spacing:-.04em}
h1{font-size:clamp(1.7rem,3vw,2.2rem);font-weight:700;line-height:1.12}
.eyebrow{font-family:var(--mono);font-size:.75rem;text-transform:uppercase;color:var(--ink);letter-spacing:0}
h2{font-size:1.2rem;font-weight:700}
h3{font-size:1rem;font-weight:700;letter-spacing:-.02em}
p{margin:0}
.muted{color:var(--muted)} .small{font-size:.85rem}
.label{font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:0;color:var(--muted);font-weight:400}
.num{font-variant-numeric:tabular-nums}
.c-red{color:var(--red)} .c-blue{color:var(--blue)}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
a{color:var(--blue)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;background:var(--soft);color:var(--ink);border-radius:10px;padding:10px 16px;cursor:pointer;font-weight:600;font-size:.92rem;white-space:nowrap;text-decoration:none}
.btn:hover{filter:brightness(.97)}
.btn.primary{background:var(--blue);color:var(--blue-ink)}
.btn.primary:hover{filter:brightness(1.08)}
.btn.red{background:var(--red);color:#fff;font-family:var(--mono);font-weight:500;text-transform:uppercase;letter-spacing:0;font-size:.85rem}
.btn.ghost{background:transparent}
.btn.ghost:hover{background:var(--soft);filter:none}
.btn.danger{color:var(--danger)}
.btn.sm{padding:6px 12px;font-size:.85rem;border-radius:8px}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.field{display:grid;gap:6px;min-width:0}
.input,.textarea,.select{width:100%;border:1px solid var(--line);background:var(--field);border-radius:10px;padding:10px 12px}
.textarea{min-height:110px;resize:vertical;line-height:1.5}
.input:focus,.textarea:focus,.select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-soft)}
.input[disabled]{opacity:.7}
.pill{display:inline-flex;align-items:center;gap:8px;background:var(--soft);border-radius:999px;padding:7px 14px;font-size:.9rem;color:var(--ink-2)}
.tag{display:inline-flex;align-items:center;font-family:var(--mono);font-size:.7rem;font-weight:500;text-transform:uppercase;letter-spacing:0;padding:3px 8px;border-radius:6px;background:var(--soft);color:var(--muted);white-space:nowrap}
.tag.blue{background:var(--blue-soft);color:var(--blue)}
.tag.red{background:var(--red-soft);color:var(--red)}
.tag.ok{background:var(--ok-soft);color:var(--ok)}
.tag.warn{background:var(--warn-soft);color:var(--warn)}
.tag.dark{background:var(--ink);color:var(--bg)}
.team-detail td{background:var(--surface);padding:12px 14px}
.team-orders{width:100%;border-collapse:collapse}
.team-orders td,.team-orders th{padding:6px 8px;border-top:1px solid var(--line);text-align:left}
.team-orders th{border-top:0}
.hist tr.open td{background:var(--blue-soft)}
.empty{padding:28px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:14px}
.note{font-size:.88rem;padding:12px 14px;border-radius:12px;background:var(--warn-soft);color:var(--warn)}
.error{color:var(--danger);font-size:.88rem;min-height:1.3em}
.logo{height:34px;width:auto;display:block}
.logo-l{display:var(--logo-l)} .logo-d{display:var(--logo-d)} .logo-inv{filter:var(--logo-filter)}
.login-hero .logo{height:46px}
.wordmark{font-weight:700;letter-spacing:-.04em;font-size:1.15rem;line-height:1;color:var(--ink)}
.wordmark small{display:block;font-family:var(--mono);font-size:.6rem;letter-spacing:.3em;font-weight:600}

/* login */
.login{min-height:100vh;display:grid;align-content:center;padding-block:32px;padding-inline:16px}
.login-grid{max-width:1040px;margin:0 auto;width:100%;display:grid;grid-template-columns:1.1fr minmax(0,420px);gap:48px;align-items:center}
@media (max-width:820px){.login-grid{grid-template-columns:1fr;gap:28px}}
.login-hero{display:grid;gap:22px;align-content:start;min-width:0}
.login-hero h1{font-size:clamp(2.1rem,5vw,3.2rem)}
.pills{display:flex;flex-wrap:wrap;gap:10px}
.login-card{background:var(--soft);border-radius:20px;padding:28px;display:grid;gap:16px;min-width:0}

/* shell */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;background:var(--bg);border-bottom:1px solid var(--line)}
.top-inner{max-width:1120px;margin:0 auto;padding:12px 16px;display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.tabs{display:flex;gap:6px;flex-wrap:wrap;flex:1;min-width:0}
.tab{border:0;background:transparent;padding:10px 16px;border-radius:10px;cursor:pointer;font-weight:600;color:var(--ink-2)}
.tab:hover{background:var(--soft)}
.tab[aria-selected="true"]{background:var(--blue);color:var(--blue-ink)}
.who{display:flex;align-items:center;gap:6px;font-size:.9rem}
@media (max-width:760px){.top-inner{gap:10px}.who{margin-left:auto}.tabs{order:3;flex:1 0 100%;flex-wrap:nowrap;overflow-x:auto}.tab{white-space:nowrap;padding:8px 12px}}
main{max-width:1120px;margin:0 auto;padding-block:32px 72px;padding-inline:16px;display:grid;gap:24px}
.head{display:grid;gap:8px}
.head-row{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;flex-wrap:wrap}
.panel{background:var(--soft);border-radius:18px;padding:20px;display:grid;gap:16px;min-width:0}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.toolbar .input{flex:1;min-width:200px}
.spread{justify-content:space-between}
.table-wrap{overflow-x:auto;min-width:0}

/* calculator: months */
.months{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;align-items:stretch}
.mchip{flex:none;display:grid;gap:2px;text-align:left;border:1px solid transparent;background:var(--soft);border-radius:12px;padding:10px 14px;cursor:pointer;min-width:132px}
.mchip .m-l{font-weight:700;font-size:.92rem;color:var(--ink-2)}
.mchip .m-v{font-family:var(--mono);font-size:.8rem;color:var(--muted)}
.mchip.current{border-color:var(--blue)}
.mchip[aria-selected="true"]{background:var(--blue);border-color:var(--blue)}
.mchip[aria-selected="true"] .m-l,.mchip[aria-selected="true"] .m-v{color:var(--blue-ink)}
.madd{flex:none;display:flex;gap:6px;align-items:center;background:var(--soft);border-radius:12px;padding:6px}
.madd .input{width:auto;padding:7px 8px;border-radius:8px}
.calc{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:20px;align-items:start}
@media (max-width:860px){.calc{grid-template-columns:1fr}}
.orders{width:100%;min-width:480px;border-collapse:collapse}
.orders th{text-align:left;padding:0 8px 8px}
.orders td{padding:6px 8px;border-top:1px solid var(--line);vertical-align:middle}
.orders .input{padding:8px 10px;background:var(--field)}
.orders td.c-sum{width:150px} .orders td.c-paid{width:118px} .orders td.c-del{width:40px;text-align:right}
.paid-toggle{display:inline-flex;align-items:center;gap:6px;cursor:pointer;font-size:.82rem;font-weight:600;padding:5px 10px;border-radius:999px;border:1px solid var(--line);background:var(--field);color:var(--muted);white-space:nowrap}
.paid-toggle[aria-pressed="true"]{background:var(--ok-soft);color:var(--ok);border-color:transparent}
.paid-toggle[disabled]{cursor:default}
.row-unpaid .input{color:var(--muted)}
.icon-btn{border:0;background:transparent;cursor:pointer;color:var(--muted);font-size:1.15rem;line-height:1;padding:6px;border-radius:8px}
.icon-btn:hover{color:var(--danger);background:var(--red-soft)}
.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.sample-bar{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;padding:12px 14px;border-radius:12px;background:var(--warn-soft);color:var(--warn);font-size:.9rem}

.slip{position:sticky;top:88px;overflow:hidden;background:var(--deep);color:var(--deep-ink);border-radius:18px;padding:22px;display:grid;gap:16px;border:1px solid var(--deep-2)}
@media (max-width:860px){.slip{position:relative;top:auto}}
.slip::before{content:"";position:absolute;right:-70px;top:-70px;width:170px;height:170px;background:var(--red);transform:rotate(45deg)}
.slip>*{position:relative}
.slip .label{color:var(--deep-muted)}
.slip h2{color:var(--deep-ink);font-size:1.05rem}
.slip .total{font-size:2.4rem;font-weight:700;letter-spacing:-.04em;line-height:1.05}
.slip dl{margin:0;display:grid;gap:10px}
.slip dl div{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid var(--deep-2);padding-bottom:8px}
.slip dt{color:var(--deep-muted)} .slip dd{margin:0;font-weight:700}
.slip .fine{font-size:.82rem;color:var(--deep-muted)}
.slip .part{display:grid;gap:10px;padding:14px;border:1px solid var(--deep-2);border-radius:12px}
.slip .part-h{display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.slip .part-h b{font-size:1.2rem;letter-spacing:-.02em}
.slip .btn.ghost{color:var(--deep-muted);padding-inline:0}
.slip .btn.ghost:hover{background:transparent;color:var(--deep-ink)}
.status{font-family:var(--mono);font-size:.7rem;text-transform:uppercase;letter-spacing:0;padding:3px 8px;border-radius:6px;background:var(--deep-2);color:var(--deep-ink)}

.hist{width:100%;border-collapse:collapse}
.hist th{text-align:left;padding:0 10px 8px;white-space:nowrap}
.hist th.r,.hist td.r{text-align:right}
.hist td{padding:10px;border-top:1px solid var(--line);white-space:nowrap}
.hist tbody tr{cursor:pointer}
.hist tbody tr:hover td{background:var(--surface)}
.hist tr.sel td{background:var(--blue-soft)}
.hist tfoot td{font-weight:700;border-top:2px solid var(--line)}
.bar{display:inline-block;height:6px;border-radius:3px;background:var(--blue);vertical-align:middle;margin-right:8px;min-width:2px}

/* knowledge base */
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{border:0;background:var(--soft);border-radius:999px;padding:7px 14px;font-size:.88rem;font-weight:600;cursor:pointer;color:var(--ink-2)}
.chip[aria-pressed="true"]{background:var(--blue);color:var(--blue-ink)}
.list{display:grid;gap:10px}
.item{background:var(--soft);border-radius:16px}
.item>summary{list-style:none;cursor:pointer;padding:16px 18px;display:flex;gap:12px;align-items:center;justify-content:space-between}
.item>summary::-webkit-details-marker{display:none}
.item>summary .t{font-weight:700;min-width:0;color:var(--ink-2)}
.item>summary .meta{display:flex;gap:6px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.item>summary .plus{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:var(--surface);color:var(--muted);font-weight:700;flex:none}
.item[open]>summary .plus{background:var(--blue);color:var(--blue-ink)}
.body{padding:0 18px 18px;display:grid;gap:14px}
.text{white-space:pre-line;max-width:70ch}
.docs{display:grid;gap:8px}
.doc{display:flex;align-items:center;gap:12px;background:var(--surface);border-radius:12px;padding:10px 12px;flex-wrap:wrap}
.doc-ic{font-family:var(--mono);font-size:.7rem;font-weight:600;background:var(--red);color:#fff;border-radius:6px;padding:6px 7px;flex:none}
.doc-name{font-weight:600;min-width:0;flex:1;overflow-wrap:anywhere}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.thumb{border:0;padding:0;background:var(--surface);border-radius:12px;overflow:hidden;cursor:zoom-in;aspect-ratio:4/3;max-width:100%}
.thumb img{width:100%;height:100%;object-fit:cover;display:block}

/* modal */
.modal{position:fixed;inset:0;z-index:50;background:rgba(10,11,14,.72);display:grid;place-items:center;padding:16px}
.modal-card{background:var(--surface);color:var(--ink);border-radius:18px;width:min(940px,100%);max-height:calc(100vh - 32px);display:grid;grid-template-rows:auto minmax(0,1fr);overflow:hidden}
.modal-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line)}
.modal-head h3{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.modal-body{overflow:auto;padding:16px;background:var(--soft);display:grid;gap:12px;justify-items:center}
.modal-body canvas{background:#fff;border-radius:6px;box-shadow:0 1px 4px rgba(0,0,0,.15);max-width:100%}
.modal-body img{max-height:calc(100vh - 140px);border-radius:8px}

/* admin */
.admin-grid{display:grid;gap:20px}
.edit-row{display:grid;gap:12px;padding:16px;border-radius:14px;background:var(--surface)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:640px){.two{grid-template-columns:1fr}}
.att{display:flex;align-items:center;gap:10px;padding:8px 10px;border:1px solid var(--line);border-radius:10px}
.att img{width:44px;height:34px;object-fit:cover;border-radius:6px;flex:none}
.att .doc-ic{padding:4px 6px}
.att .doc-name{font-weight:500;font-size:.9rem}
.file-btn{position:relative;overflow:hidden;background:var(--surface);border:1px solid var(--line)}
.file-btn input{position:absolute;inset:0;opacity:0;cursor:pointer}
.logo-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.logo-box{background:#FFFFFF;border:1px solid var(--line);border-radius:12px;padding:14px 18px;display:grid;place-items:center;min-height:62px}
.logo-box.dark{background:#17191F;border-color:#17191F}
.logo-box .logo{display:block;filter:none}
.users{width:100%;border-collapse:collapse}
.users td,.users th{padding:8px;border-top:1px solid var(--line);text-align:left;font-size:.92rem}
.users th{border-top:0;font-size:.72rem}
.savebar{position:sticky;bottom:12px;background:var(--deep);color:var(--deep-ink);border-radius:14px;padding:12px 16px;display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-bottom:env(safe-area-inset-bottom,0px)}
.savebar .btn.ghost{color:var(--deep-muted)}
.savebar .btn.ghost:hover{background:var(--deep-2)}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* server version additions */
.modal-body iframe{width:100%;height:calc(100vh - 170px);border:0;border-radius:8px;background:#fff}
.modal-links{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.inline-form{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.inline-form .input{max-width:220px;padding:7px 10px}
.ok-msg{color:var(--ok);font-size:.88rem}
.who .btn{padding-inline:10px}

/* theme toggle: icon button in the header and in the top-right corner of the login page */
.theme-btn{width:34px;height:34px;padding:0!important;color:var(--ink-2)}
.login{position:relative}
.login-theme{position:absolute;top:calc(16px + env(safe-area-inset-top,0px));right:16px}

/* author credits, bottom center of every page */
#app{min-height:100vh;display:flex;flex-direction:column}
main{flex:1 0 auto;width:100%;align-content:start}
.login{grid-template-rows:1fr auto;gap:32px}
.login-grid{align-self:center}
.credits{text-align:center;font-size:.72rem;line-height:1.6;color:var(--muted);opacity:.65;padding:16px 16px calc(20px + env(safe-area-inset-bottom,0px))}
.login .credits{padding:0}