/* IELTS 9 Coach: umumiy dizayn tizimi (ilova + admin). Kun/tun: html[data-theme] */
:root{
  color-scheme:light;
  --bg:#f4f5f9;--sf:#ffffff;--sf2:#eceef5;--ink:#141622;--mu:#626980;--ln:#e0e3ee;
  --ac:#e04a0e;--ac-ink:#ffffff;--ac-soft:rgba(224,74,14,.11);
  --vi:#5b3df5;--vi-soft:rgba(91,61,245,.11);
  --ok:#0f8f48;--ok-soft:rgba(15,143,72,.13);--bad:#d52a2a;--bad-soft:rgba(213,42,42,.11);--warn:#b45309;--warn-soft:rgba(180,83,9,.13);
  --me:#e8ebf5;--ai:rgba(224,74,14,.08);--ai-ln:rgba(224,74,14,.26);
  --sh:0 1px 2px rgba(20,22,34,.06),0 12px 30px -16px rgba(20,22,34,.2);--ov:rgba(10,12,22,.5);
  --font:"Avenir Next","Segoe UI Variable Text","Segoe UI",system-ui,-apple-system,Roboto,"Helvetica Neue",Arial,sans-serif;
}
:root[data-theme=dark]{
  color-scheme:dark;
  --bg:#0c0e14;--sf:#151823;--sf2:#1d2130;--ink:#eef0f7;--mu:#8e95aa;--ln:#272c3d;
  --ac:#ff7a45;--ac-ink:#1c0b03;--ac-soft:rgba(255,122,69,.15);
  --vi:#9d89ff;--vi-soft:rgba(157,137,255,.16);
  --ok:#34d47d;--ok-soft:rgba(52,212,125,.15);--bad:#ff6b6b;--bad-soft:rgba(255,107,107,.15);--warn:#fbbf24;--warn-soft:rgba(251,191,36,.14);
  --me:#232839;--ai:rgba(255,122,69,.1);--ai-ln:rgba(255,122,69,.3);
  --sh:0 1px 2px rgba(0,0,0,.45),0 16px 36px -18px rgba(0,0,0,.75);--ov:rgba(0,0,0,.66);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0}
[hidden]{display:none!important}
body{font:15px/1.5 var(--font);color:var(--ink);background:var(--bg);min-height:100dvh;-webkit-font-smoothing:antialiased;transition:background-color .2s,color .2s}
h1,h2,h3{letter-spacing:-.02em;line-height:1.2}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--ac);outline-offset:2px}
::selection{background:var(--ac-soft)}

/* tugmalar */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--ln);background:var(--sf);color:var(--ink);border-radius:11px;padding:9px 14px;font-weight:600;cursor:pointer;text-decoration:none;line-height:1.2;transition:border-color .15s,background-color .15s,transform .1s}
.btn:hover{border-color:var(--mu)}
.btn:active{transform:scale(.97)}
.btn.pri{background:var(--ac);border-color:var(--ac);color:var(--ac-ink)}
.btn.pri:hover{filter:brightness(1.06)}
.btn.vi{background:var(--vi);border-color:var(--vi);color:#fff}
:root[data-theme=dark] .btn.vi{color:#140c3d}
.btn.danger{color:var(--bad)}
.btn.sm{padding:5px 10px;font-size:13px;border-radius:9px}
.btn.block{width:100%;padding:14px 18px;font-size:16px;border-radius:14px}
.btn:disabled{opacity:.5;cursor:default;transform:none}
.ib{width:40px;height:40px;flex:none;display:inline-grid;place-items:center;border-radius:50%;background:var(--sf);border:1px solid var(--ln);color:var(--ink);cursor:pointer;padding:0;text-decoration:none;font-size:18px;line-height:1;transition:border-color .15s,transform .1s}
.ib:hover{border-color:var(--mu)}
.ib:active{transform:scale(.94)}
.ib svg{width:19px;height:19px}
.ib .ua{width:100%;height:100%;font-size:17px}
:root[data-theme=dark] .i-moon,:root:not([data-theme=dark]) .i-sun{display:none}

/* maydonlar */
input,select,textarea{background:var(--sf);color:var(--ink);border:1px solid var(--ln);border-radius:11px;padding:10px 12px;width:100%;min-width:0}
textarea{resize:vertical;min-height:72px}
input:focus,select:focus,textarea:focus{outline:2px solid var(--ac);outline-offset:-1px;border-color:transparent}
select:disabled{opacity:.5}
label.f{display:block;margin:0 0 12px}
label.f>span{display:block;font-size:13px;color:var(--mu);margin:0 0 5px;font-weight:600}

/* kartalar, teglar */
.card{background:var(--sf);border:1px solid var(--ln);border-radius:18px;padding:16px;box-shadow:var(--sh)}
.mu,.note{color:var(--mu)}
.note{font-size:13px}
.err{color:var(--bad);font-size:14px;min-height:20px;margin:6px 0}
.tag{display:inline-flex;align-items:center;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:700;background:var(--sf2);color:var(--mu);white-space:nowrap}
.tag.ok{background:var(--ok-soft);color:var(--ok)}
.tag.bad{background:var(--bad-soft);color:var(--bad)}
.tag.warn{background:var(--warn-soft);color:var(--warn)}
.tag.ad{background:var(--ac-soft);color:var(--ac)}
.tag.su{background:var(--vi);color:#fff}
:root[data-theme=dark] .tag.su{color:#140c3d}
.ua{display:grid;place-items:center;overflow:hidden;border-radius:50%;background:linear-gradient(135deg,var(--ac),#ffb020);color:#fff;font-weight:700;flex:none}
:root[data-theme=dark] .ua{color:#1c0b03}
.ua img{width:100%;height:100%;object-fit:cover;display:block}

/* modal */
.modal{position:fixed;inset:0;z-index:30;background:var(--ov);display:grid;place-items:center;padding:14px;overflow:auto;backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px)}
.sheet{width:100%;max-width:460px;max-height:calc(100dvh - 28px);overflow:auto;background:var(--bg);border:1px solid var(--ln);border-radius:24px;padding:20px 18px;box-shadow:0 30px 80px -20px rgba(0,0,0,.45);animation:pop .18s ease-out}
.sheet h2{margin:0;font-size:20px}
.sheet h3{margin:20px 0 8px;font-size:14px;color:var(--mu)}
@keyframes pop{from{opacity:0;transform:translateY(10px) scale(.98)}}
.hd{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:12px}
#toast{position:fixed;left:50%;bottom:calc(88px + env(safe-area-inset-bottom));transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:12px;font-size:14px;font-weight:600;z-index:60;opacity:0;pointer-events:none;transition:opacity .2s;max-width:90vw;text-align:center}
#toast.show{opacity:1}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:var(--ln);border-radius:10px;border:2px solid transparent;background-clip:content-box}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}