/* Margin.uz — umumiy uslub: matli "loy/qog'oz" 3D, krem + o'rmon yashili + shalfey + oltin nur */
:root{
  --paper:#ECE5D9;--paper2:#E3DACB;--card:#F7F2EA;--card2:#FBF8F2;--field:#FFFDF8;
  --ink:#1F2A22;--ink-soft:rgba(31,42,34,.8);--muted:rgba(31,42,34,.58);--line:rgba(31,42,34,.10);
  --forest:#2E4A3B;--forest2:#3F604D;--forest-deep:#22392D;--sage:#8FA592;--sage2:#C3CFBF;--sand:#D6CAB6;
  --gold:#E7B24C;--glow:#FFE3A1;--terra:#B4573E;--good:#2F7A52;--bad:#B4573E;
  --btn-bg:#2E4A3B;--btn-fg:#F7F2EA;--accent-t:#2E4A3B;--gold-t:#9A6A12;
  --shadow:rgba(70,60,40,.22);--shadow-strong:rgba(50,45,30,.32);
  --serif:"Fraunces",Georgia,serif;--sans:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;
  --r:22px;--ease:cubic-bezier(.2,.8,.2,1);
  color-scheme:light;
}
html[data-theme="dark"]{
  --paper:#15231B;--paper2:#1A2B21;--card:#203429;--card2:#253B2F;--field:#192A20;
  --ink:#EFE8DC;--ink-soft:rgba(239,232,220,.84);--muted:rgba(239,232,220,.6);--line:rgba(239,232,220,.10);
  --sand:#4A5C4E;--good:#86CFA2;--bad:#E08A6E;--terra:#E08A6E;
  --btn-bg:#E9E0D0;--btn-fg:#1F2A22;--accent-t:#C9D9C2;--gold-t:#F0C467;
  --shadow:rgba(0,0,0,.35);--shadow-strong:rgba(0,0,0,.5);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;min-height:100vh;color:var(--ink);font:15px/1.6 var(--sans);background:var(--paper);overflow-x:clip}
::selection{background:var(--glow);color:#1F2A22}

/* Fon: qog'oz, yumshoq yorug'lik va matli don */
.bg{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden;
  background:radial-gradient(60% 50% at 80% 8%,rgba(255,227,161,.35),transparent 70%),radial-gradient(55% 55% at 0% 100%,rgba(143,165,146,.22),transparent 70%),linear-gradient(180deg,var(--paper),var(--paper2))}
html[data-theme="dark"] .bg{background:radial-gradient(60% 50% at 80% 8%,rgba(231,178,76,.10),transparent 70%),radial-gradient(55% 55% at 0% 100%,rgba(143,165,146,.10),transparent 70%),linear-gradient(180deg,var(--paper),var(--paper2))}
.bg::after{content:"";position:absolute;inset:0;opacity:.45;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .4 0 0 0 0 .36 0 0 0 0 .3 0 0 0 .18 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
html[data-theme="dark"] .bg::after{opacity:.5;filter:invert(1)}

.wrap{max-width:1120px;margin:0 auto;padding:16px 16px 40px;display:flex;flex-direction:column;gap:24px}

/* Yuqori panel */
.top{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
/* Logotip: 7 · Monogramma — "M" o'sish strelkasiga aylanadi */
html[data-theme="dark"]{--mk-bg:#F7F2EA;--mk-sh:#BFB19B;--mk-fg:#2E4A3B}
.logo{display:inline-flex;align-items:center;gap:10px;font:800 21px var(--sans);color:var(--ink);text-decoration:none;letter-spacing:-.045em}
.logo svg{width:36px;height:37px;filter:drop-shadow(0 6px 8px var(--shadow))}
.logo b{font-weight:800}
.logo span{color:var(--sage)}
.wordmark{font-family:var(--sans);font-weight:800;letter-spacing:-.05em}
.wordmark span{color:var(--sage)}
.acts{display:flex;gap:8px;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;gap:7px;font:600 13px var(--sans);color:var(--ink);text-decoration:none;padding:8px 15px;border-radius:999px;border:0;background:var(--card);cursor:pointer;
  box-shadow:0 1px 0 rgba(255,255,255,.7) inset,0 8px 18px -12px var(--shadow-strong);transition:transform .2s var(--ease),box-shadow .2s}
html[data-theme="dark"] .chip{box-shadow:0 1px 0 rgba(255,255,255,.06) inset,0 8px 18px -12px var(--shadow-strong)}
.chip:hover{transform:translateY(-1px);box-shadow:0 1px 0 rgba(255,255,255,.7) inset,0 12px 22px -12px var(--shadow-strong)}
.chip svg{width:15px;height:15px}
.chip.pri{background:var(--btn-bg);color:var(--btn-fg)}
.chip[hidden]{display:none}

/* Kartalar */
.card{background:var(--card);border-radius:var(--r);padding:22px;display:flex;flex-direction:column;gap:14px;min-width:0;
  box-shadow:0 1px 0 rgba(255,255,255,.8) inset,0 24px 48px -30px var(--shadow-strong),0 2px 6px -2px var(--shadow)}
html[data-theme="dark"] .card{box-shadow:0 1px 0 rgba(255,255,255,.05) inset,0 24px 48px -30px var(--shadow-strong)}
.card h2{margin:0;font:500 1.4rem/1.2 var(--serif);letter-spacing:-.01em}
.card .note{margin:-6px 0 0;font-size:13px;color:var(--muted)}

/* Maydonlar */
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field label{font-size:13px;font-weight:600;color:var(--ink-soft)}
.inp{display:flex;align-items:center;min-width:0;overflow:hidden;border-radius:14px;background:var(--field);
  box-shadow:inset 0 2px 4px var(--shadow),inset 0 0 0 1px var(--line);transition:box-shadow .2s}
.inp:focus-within{box-shadow:inset 0 2px 4px var(--shadow),0 0 0 2px var(--sage)}
.inp input,.inp select{flex:1;width:100%;min-width:0;border:0;outline:0;background:transparent;color:var(--ink);font:600 17px var(--sans);padding:12px 14px;font-variant-numeric:tabular-nums}
.inp select{font-size:15px;cursor:pointer;margin-right:6px}
.inp select option{color:#1F2A22}
.inp .u{padding:0 14px;color:var(--muted);font-size:13px;white-space:nowrap}

/* Bo'limli tugmalar */
.seg{display:flex;flex-wrap:wrap;gap:4px;padding:5px;border-radius:18px;background:var(--card);width:fit-content;max-width:100%;
  box-shadow:inset 0 2px 5px var(--shadow),inset 0 0 0 1px var(--line)}
.seg button{border:0;background:transparent;color:var(--muted);font:600 13.5px var(--sans);padding:10px 16px;border-radius:14px;cursor:pointer;transition:background .25s var(--ease),color .2s}
.seg button:hover{color:var(--ink)}
.seg button[aria-selected="true"],.seg button[aria-pressed="true"]{background:var(--btn-bg);color:var(--btn-fg);box-shadow:0 8px 16px -10px var(--shadow-strong)}

table{width:100%;border-collapse:collapse;font-size:13.5px;font-variant-numeric:tabular-nums}
th{text-align:left;color:var(--muted);font-weight:600;padding:8px 10px;border-bottom:1px solid var(--line)}
td{padding:8px 10px;border-bottom:1px solid var(--line)}
td.r,th.r{text-align:right;white-space:nowrap}

/* 3D buyumlar (s.svg) */
/* Soya bir marta chiziladi; tebranish butun buyumni (soyasi bilan) GPU'da siljitadi */
.obj{position:absolute;pointer-events:none;filter:drop-shadow(0 18px 18px var(--shadow-strong));will-change:transform}
.obj svg{width:100%;height:100%;display:block}
@media (prefers-reduced-motion:no-preference){
  .obj.f1{animation:float 6s ease-in-out infinite}.obj.f2{animation:float 7.5s ease-in-out -2s infinite}.obj.f3{animation:float 5.2s ease-in-out -1s infinite}
}
@keyframes float{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-9px) rotate(-2deg)}}

footer{text-align:center;color:var(--muted);font-size:13px;display:flex;flex-direction:column;gap:6px;align-items:center;padding-top:8px}
footer .by{font:italic 400 1.1rem var(--serif);color:var(--ink-soft)}
footer .by b{font-weight:600;color:var(--accent-t)}