/* ==========================================================================
   Dentopedia — style.css
   Implementacija Dentopedia DESIGN.md v2.0
   ========================================================================== */

:root{
  /* §3.1 Brand Navy */
  --navy-950:#07192F; --navy-900:#0B2340; --navy-850:#0F2D50; --navy-800:#153E6B; --navy-700:#1E4F82;
  /* §3.2 Primary Blue */
  --blue-700:#084FBE; --blue-600:#0A66E8; --blue-500:#2A7FFF; --blue-300:#8DBBFF;
  --blue-200:#CFE3FF; --blue-100:#EAF3FF; --blue-050:#F4F8FF;
  /* §3.3 Premium Gold */
  --gold-600:#D99A17; --gold-500:#E9B949; --gold-400:#F2C55F; --gold-100:#FFF6DB;
  /* §3.4 Ink */
  --ink-950:#081A33; --ink-900:#10233D; --ink-800:#1E3551; --ink-650:#49637E; --ink-500:#6C8096; --ink-400:#8A9BAE;
  /* §3.5 Surfaces */
  --surface-0:#FFFFFF; --surface-25:#FCFDFE; --surface-50:#F7F9FC; --surface-75:#F4F7FB; --surface-100:#EFF4F9;
  /* §3.6 Borders */
  --border-100:#EAF0F6; --border-200:#DCE5EF; --border-300:#CAD8E7; --border-focus:#8DBBFF;
  /* §3.7 Status */
  --success-600:#159455; --success-100:#EAF8F0;
  --warning-600:#C27A00; --warning-100:#FFF4DA;
  --danger-600:#C74343;  --danger-100:#FDECEC;
  --purple-600:#7B50D6;  --purple-100:#F1ECFF;
  /* §7 Radius */
  --radius-xs:6px; --radius-sm:10px; --radius-md:14px; --radius-lg:18px; --radius-xl:22px;
  --radius-hero:24px; --radius-pill:999px;
  /* §8 Shadows */
  --shadow-xs:0 1px 2px rgba(8,26,51,.04);
  --shadow-sm:0 4px 12px rgba(8,26,51,.05);
  --shadow-md:0 10px 28px rgba(8,26,51,.07);
  --shadow-lg:0 22px 60px rgba(7,25,47,.10);
  /* layout */
  --sb-w:268px; --tb-h:68px; --rail-w:326px; --pad:28px;
  --ease:cubic-bezier(.2,.8,.2,1);
  /* fonts */
  --serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --sans:"Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  /* semantic */
  --page-bg:var(--surface-50); --card-bg:var(--surface-0); --card-bd:var(--border-200);
  --text:var(--ink-900); --text-dim:var(--ink-650); --text-faint:var(--ink-500);
}

/* Dark mode — §11 topbar toggle */
html[data-theme="dark"]{
  --page-bg:#071426; --card-bg:#0C2038; --card-bd:rgba(255,255,255,.10);
  --surface-0:#0C2038; --surface-25:#0E2440; --surface-50:#071426; --surface-75:#0B1E36; --surface-100:#102845;
  --border-100:rgba(255,255,255,.07); --border-200:rgba(255,255,255,.10); --border-300:rgba(255,255,255,.16);
  --text:#E8F0FA; --text-dim:#A9BED4; --text-faint:#8AA0B8;
  --ink-900:#E8F0FA; --ink-800:#D3E1F0; --ink-650:#A9BED4; --ink-500:#8AA0B8; --ink-400:#7A90A8;
  --blue-100:#12315A; --blue-050:#0E2748; --blue-200:#1B457A;
  --gold-100:#3A2E12; --success-100:#0E2E22; --warning-100:#33260B; --danger-100:#331717; --purple-100:#241A3D;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; background:var(--page-bg); color:var(--text);
  font-family:var(--sans); font-size:15px; line-height:1.60;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
a{color:var(--blue-600);text-decoration:none}
a:hover{text-decoration:underline}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:600;color:var(--text);
  letter-spacing:-.011em;font-optical-sizing:auto}
.skip{position:absolute;left:-9999px;top:0;z-index:999;background:var(--blue-600);color:#fff;padding:10px 16px;border-radius:0 0 8px 0}
.skip:focus{left:0}
:focus-visible{outline:2px solid var(--blue-500);outline-offset:2px;border-radius:4px}
.ic{flex:0 0 auto;vertical-align:middle}

/* §4.2 Type scale */
.display-xl{font-family:var(--serif);font-size:56px;font-weight:600;line-height:1.02}
.display-lg{font-family:var(--serif);font-size:46px;font-weight:600;line-height:1.06}
.h1{font-family:var(--serif);font-size:38px;font-weight:600;line-height:1.12}
.h2{font-family:var(--serif);font-size:29px;font-weight:600;line-height:1.18}
.h3{font-family:var(--serif);font-size:22px;font-weight:600;line-height:1.25}
.h4{font-size:18px;font-weight:600;line-height:1.32;font-family:var(--sans)}
.body-lg{font-size:17px;line-height:1.65}
.body-sm{font-size:13px;line-height:1.5}
.caption{font-size:12px;font-weight:500;line-height:1.4}
.eyebrow{font-size:11px;font-weight:600;line-height:1.2;text-transform:uppercase;letter-spacing:.20em;color:var(--ink-500)}
.dim{color:var(--text-dim)} .faint{color:var(--text-faint)}
.serif-quote{font-family:var(--serif);font-style:italic;font-size:19px;line-height:1.45}

/* ==========================================================================
   §10 Sidebar
   ========================================================================== */
.sidebar{
  position:fixed;inset:0 auto 0 0;width:var(--sb-w);z-index:60;
  display:flex;flex-direction:column;color:#fff;overflow:hidden;
  background:
    radial-gradient(circle at 20% 30%, rgba(42,127,255,.12), transparent 36%),
    linear-gradient(180deg,#07192F 0%,#082240 100%);
}
.sidebar::after{ /* §35 dark sidebar wave texture */
  content:"";position:absolute;inset:auto 0 0 0;height:340px;pointer-events:none;opacity:.5;
  background:
    radial-gradient(120% 60% at 10% 100%, rgba(42,127,255,.15), transparent 60%),
    repeating-linear-gradient(115deg, rgba(255,255,255,.022) 0 1px, transparent 1px 26px);
}
.sb-brand{padding:26px 24px 18px;position:relative;z-index:1}
.sb-logo{display:flex;align-items:center;gap:11px}
.sb-logo .wm{font-family:var(--serif);font-size:23px;font-weight:600;letter-spacing:.13em;color:#fff;line-height:1}
.sb-logo .tg{font-size:8px;font-weight:600;letter-spacing:.155em;color:var(--gold-400);margin-top:6px;text-transform:uppercase;line-height:1.35}
.sb-nav{padding:8px 0 8px 12px;flex:1;overflow-y:auto;overscroll-behavior:contain;position:relative;z-index:1;
  scrollbar-width:none;-ms-overflow-style:none}
.sb-nav::-webkit-scrollbar{width:0;height:0;display:none}
.sb-item{
  display:flex;align-items:center;gap:11px;height:48px;padding:0 14px;margin-bottom:2px;
  border-radius:var(--radius-md) 0 0 var(--radius-md);color:rgba(255,255,255,.78);font-size:14.5px;font-weight:500;white-space:nowrap;
  cursor:pointer;position:relative;transition:background 160ms var(--ease),color 160ms var(--ease);
}
.sb-item .ic{color:rgba(255,255,255,.82)}
.sb-item:hover{background:rgba(255,255,255,.06);color:#fff;text-decoration:none}
.sb-item.on{
  background:linear-gradient(90deg,rgba(42,127,255,.25),rgba(255,255,255,.08));
  color:#fff;font-weight:600;
}
.sb-item.on{border-right:3px solid var(--gold-500)}
.sb-item.off{opacity:.48;cursor:default}
.sb-item.off:hover{background:none;color:rgba(255,255,255,.78)}
.sb-soon{margin-left:auto;font-size:9px;font-weight:600;letter-spacing:.09em;text-transform:uppercase;
  background:rgba(255,255,255,.13);padding:3px 7px;border-radius:var(--radius-pill);color:rgba(255,255,255,.85)}
.sb-beta{margin-left:auto;font-size:9px;font-weight:600;letter-spacing:.09em;text-transform:uppercase;
  background:rgba(233,185,73,.18);color:var(--gold-400);padding:3px 7px;border-radius:var(--radius-pill)}

/* §10.5 Premium card */
.sb-premium{margin:8px 16px 4px;padding:16px;border-radius:var(--radius-md);position:relative;z-index:1;
  background:rgba(11,35,64,.72);border:1px solid rgba(42,127,255,.30)}
.sb-premium h4{color:#fff;font-family:var(--sans);font-size:13.5px;display:flex;align-items:center;gap:8px;margin-bottom:6px}
.sb-premium h4 .ic{color:var(--gold-500)}
.sb-premium p{margin:0 0 12px;font-size:11.5px;line-height:1.5;color:rgba(255,255,255,.62)}
.sb-premium button{width:100%;border:0;background:linear-gradient(180deg,var(--gold-400),var(--gold-600));
  color:#3A2A06;font-weight:700;font-size:12.5px;padding:9px;border-radius:var(--radius-sm);cursor:pointer}
.sb-quick{padding:4px 16px 18px;position:relative;z-index:1}
.sb-quick .qbtn{display:flex;align-items:center;gap:10px;width:100%;background:none;border:0;cursor:pointer;
  color:rgba(255,255,255,.72);font-size:13.5px;padding:12px 0}
.sb-quick .qbtn .ic:last-child{margin-left:auto}
.sb-foot{padding:14px 24px 20px;position:relative;z-index:1}
.sb-quote{font-family:var(--serif);font-style:italic;font-size:17px;line-height:1.42;color:rgba(255,255,255,.90)}
.sb-rule{width:26px;height:2px;background:rgba(255,255,255,.30);margin:14px 0 10px}
.sb-ver{font-size:10.5px;line-height:1.6;color:rgba(255,255,255,.42)}
.sb-ver span{background:rgba(233,185,73,.16);color:var(--gold-400);padding:1px 6px;border-radius:99px;font-weight:600}
.scrim{display:none;position:fixed;inset:0;background:rgba(7,25,47,.55);z-index:55}
.scrim.on{display:block}

/* ==========================================================================
   §11 Topbar + app frame
   ========================================================================== */
.app{margin-left:var(--sb-w);min-height:100vh;display:flex;flex-direction:column}
.topbar{
  position:sticky;top:0;z-index:40;height:var(--tb-h);flex:0 0 var(--tb-h);
  display:flex;align-items:center;gap:16px;padding:0 var(--pad);
  background:color-mix(in srgb,var(--page-bg) 88%,transparent);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border-100);
}
.gsearch{position:relative;flex:1;max-width:760px}
.gsearch input{
  width:100%;height:50px;padding:0 96px 0 48px;border-radius:var(--radius-md);
  border:1px solid var(--border-200);background:var(--surface-0);color:var(--text);
  font-size:14.5px;font-family:inherit;outline:none;transition:border-color 160ms var(--ease),box-shadow 160ms var(--ease);
}
.gsearch input::placeholder{color:var(--ink-400)}
.gsearch input:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px rgba(42,127,255,.10)}
.gs-ic{position:absolute;left:16px;top:15px;color:var(--ink-500);pointer-events:none}
.kbd{position:absolute;right:12px;top:14px;display:flex;gap:5px}
.kbd b{font-size:10.5px;font-weight:600;color:var(--ink-500);background:var(--surface-75);
  border:1px solid var(--border-200);border-radius:var(--radius-xs);padding:3px 7px;line-height:1.2}
.top-actions{margin-left:auto;display:flex;align-items:center;gap:8px}
.icon-btn{position:relative;width:40px;height:40px;display:grid;place-items:center;border:0;background:none;
  color:var(--ink-650);border-radius:var(--radius-sm);cursor:pointer;transition:background 160ms var(--ease)}
.icon-btn:hover{background:var(--surface-100)}
.icon-btn .dot{position:absolute;top:6px;right:6px;min-width:16px;height:16px;border-radius:99px;
  background:var(--gold-500);color:#3A2A06;font-size:9.5px;font-weight:700;display:grid;place-items:center;padding:0 4px}
.lang{display:flex;align-items:center;gap:5px;height:40px;padding:0 10px;border:0;background:none;
  color:var(--ink-650);font-size:13px;font-weight:600;border-radius:var(--radius-sm);cursor:pointer}
.lang:hover{background:var(--surface-100)}
.user-chip{display:flex;align-items:center;gap:10px;padding:5px 10px 5px 5px;border-radius:var(--radius-pill);
  border:1px solid var(--border-200);background:var(--surface-0);cursor:pointer}
.avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:700;
  background:linear-gradient(150deg,var(--navy-800),var(--navy-700));color:#fff;flex:0 0 auto}
.avatar.sm{width:30px;height:30px;font-size:11px}
.avatar.lg{width:42px;height:42px;font-size:13.5px}
.user-chip .nm{font-size:13px;font-weight:600;line-height:1.25}
.user-chip .rl{font-size:11.5px;color:var(--text-faint);line-height:1.2}
.only-mobile{display:none}

.main{flex:1;padding:20px var(--pad) 64px;max-width:1520px;width:100%}
.main:focus{outline:none}

/* ==========================================================================
   Layout helpers
   ========================================================================== */
.rail-grid{display:grid;grid-template-columns:minmax(0,1fr) var(--rail-w);gap:20px;align-items:start}
.ai-grid{display:grid;grid-template-columns:312px minmax(0,1fr) 334px;gap:18px;align-items:start}
.stack{display:grid;gap:18px}
.row{display:flex;align-items:center;gap:12px}
.row.wrap{flex-wrap:wrap}
.spread{display:flex;align-items:center;justify-content:space-between;gap:14px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.sect{margin-top:34px}
.sect-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:14px}
.sect-head h2,.sect-head h3{display:flex;align-items:center;gap:10px}
.sect-head .ic{color:var(--blue-600)}
.link-more{font-size:13.5px;font-weight:600;color:var(--blue-600);display:inline-flex;align-items:center;gap:6px}

/* §21 Cards */
.card{background:var(--card-bg);border:1px solid var(--card-bd);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-xs);padding:22px}
.card.tight{padding:18px}
.card.flat{box-shadow:none}
.card-i{transition:transform 180ms var(--ease),border-color 180ms var(--ease),box-shadow 180ms var(--ease);cursor:pointer}
.card-i:hover{transform:translateY(-1px);border-color:var(--border-300);box-shadow:var(--shadow-md)}
.card h3.ttl{font-size:17px;font-family:var(--sans);font-weight:600;display:flex;align-items:center;gap:9px;margin-bottom:14px}
.card h3.ttl .ic{color:var(--blue-600)}

/* §12 Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;height:44px;padding:0 20px;
  border-radius:var(--radius-md);border:1px solid transparent;font-size:14px;font-weight:600;cursor:pointer;
  transition:background 160ms var(--ease),border-color 160ms var(--ease),transform 160ms var(--ease);font-family:inherit}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--blue-600);color:#fff}
.btn-primary:hover{background:var(--blue-700)}
.btn-navy{background:#0B2E67;color:#fff}
.btn-navy:hover{background:#08224E}
.btn-ghost{background:var(--surface-0);border-color:var(--border-200);color:var(--ink-800)}
.btn-ghost:hover{border-color:var(--border-300);background:var(--surface-25)}
.btn-gold{background:linear-gradient(180deg,var(--gold-400),var(--gold-600));color:#3A2A06}
.btn-sm{height:38px;padding:0 15px;font-size:13px;border-radius:var(--radius-sm)}
.btn-full{width:100%}

/* §13 Chips / pills / badges */
.pill{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--border-200);background:var(--surface-0);
  border-radius:var(--radius-pill);padding:8px 14px;font-size:13px;font-weight:500;color:var(--ink-800);cursor:pointer;
  transition:border-color 160ms var(--ease),background 160ms var(--ease)}
.pill:hover{border-color:var(--blue-300);background:var(--blue-050);text-decoration:none}
.pill.on{background:var(--blue-100);border-color:var(--blue-300);color:var(--blue-700);font-weight:600}
.pill.sm{padding:6px 12px;font-size:12.5px}
.badge{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:600;padding:3px 9px;
  border-radius:var(--radius-pill);letter-spacing:.01em;white-space:nowrap}
.b-blue{background:var(--blue-100);color:var(--blue-700)}
.b-purple{background:var(--purple-100);color:var(--purple-600)}
.b-green{background:var(--success-100);color:var(--success-600)}
.b-gold{background:var(--gold-100);color:var(--warning-600)}
.b-red{background:var(--danger-100);color:var(--danger-600)}
.b-grey{background:var(--surface-100);color:var(--ink-650)}

/* §24 Progress */
.prog{height:6px;border-radius:99px;background:#E8EEF5;overflow:hidden}
html[data-theme="dark"] .prog{background:rgba(255,255,255,.12)}
.prog>i{display:block;height:100%;border-radius:99px;background:var(--blue-600)}
.prog.lg{height:8px}
.prog.gold>i{background:var(--gold-500)}

/* ==========================================================================
   §15 Home
   ========================================================================== */
.hero{position:relative;border-radius:var(--radius-hero);overflow:hidden;padding:38px 40px;
  border:1px solid var(--border-200);
  background:radial-gradient(circle at 76% 30%, rgba(42,127,255,.09), transparent 32%),
             linear-gradient(135deg,#FFFFFF 0%,#F8FBFF 100%)}
.hero.dark{border-color:rgba(255,255,255,.10);
  background:radial-gradient(120% 120% at 78% 40%, rgba(42,127,255,.30), transparent 55%),
             linear-gradient(120deg,#07192F 0%,#0B2340 48%,#123A62 100%)}
.hero.dark::before{content:"";position:absolute;inset:0;border-radius:var(--radius-hero);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.10);pointer-events:none}
.hero.dark .h-eyebrow{color:rgba(255,255,255,.60)}
.hero.dark h1{color:#fff}
.hero.dark .h-sub{color:rgba(255,255,255,.80)}
.hero.dark .trust{color:rgba(255,255,255,.86)}
.hero.dark .trust i{border-color:rgba(255,255,255,.22);background:rgba(255,255,255,.06)}
.hero-in{position:relative;z-index:2;max-width:672px}
.h-eyebrow{font-size:11px;font-weight:600;letter-spacing:.26em;text-transform:uppercase;color:var(--ink-500)}
.hero h1{font-size:44px;line-height:1.08;margin:14px 0 0;letter-spacing:-.018em}
.h-rule{width:64px;height:3px;background:var(--gold-500);border-radius:2px;margin:16px 0 18px}
.h-sub{font-size:16.5px;line-height:1.6;color:var(--text-dim);margin:0;max-width:600px}
.trust{display:flex;flex-wrap:wrap;gap:18px;margin-top:26px;font-size:13.5px;font-weight:500;color:var(--ink-800)}
.trust>span{display:inline-flex;align-items:center;gap:11px}
.trust i{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;flex:0 0 auto;
  border:1px solid var(--border-200);background:var(--surface-0);color:var(--blue-600)}
.hero-art{position:absolute;right:34px;top:50%;transform:translateY(-50%);z-index:1;pointer-events:none}
.hero-side{position:absolute;right:42px;top:50%;transform:translateY(-50%);z-index:2;text-align:right}
.hero-side .kw{font-size:10.5px;font-weight:600;letter-spacing:.24em;text-transform:uppercase;
  color:rgba(255,255,255,.72);line-height:2.1}
.hero-side .qq{font-family:var(--serif);font-style:italic;font-size:15px;color:rgba(255,255,255,.85);margin-top:14px}

/* stat cards */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:18px}
.stat{display:flex;align-items:center;gap:14px;background:var(--card-bg);border:1px solid var(--card-bd);
  border-radius:var(--radius-lg);padding:18px 20px;box-shadow:var(--shadow-xs);cursor:pointer;
  transition:transform 180ms var(--ease),box-shadow 180ms var(--ease),border-color 180ms var(--ease)}
.stat:hover{transform:translateY(-1px);box-shadow:var(--shadow-md);border-color:var(--border-300);text-decoration:none}
.stat .si{width:46px;height:46px;border-radius:var(--radius-md);display:grid;place-items:center;flex:0 0 auto;
  background:var(--blue-100);color:var(--blue-600)}
.stat b{display:block;font-family:var(--serif);font-size:31px;font-weight:600;line-height:1.05;color:var(--text)}
.stat span{font-size:12.5px;color:var(--text-faint)}
.stat .go{margin-left:auto;color:var(--ink-400)}

/* knowledge areas */
.areas{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.area{display:flex;align-items:center;gap:12px;border:1px solid var(--card-bd);background:var(--card-bg);
  border-radius:var(--radius-md);padding:13px 15px;cursor:pointer;
  transition:border-color 180ms var(--ease),transform 180ms var(--ease),box-shadow 180ms var(--ease)}
.area:hover{border-color:var(--blue-300);transform:translateY(-1px);box-shadow:var(--shadow-sm);text-decoration:none}
.area .ai{width:34px;height:34px;border-radius:var(--radius-sm);display:grid;place-items:center;flex:0 0 auto;
  background:var(--surface-100);color:var(--blue-600)}
.area .an{font-size:13.5px;font-weight:500;color:var(--text);line-height:1.3}
.area .ac{margin-left:auto;font-size:12px;font-weight:600;color:var(--text-faint)}

/* rows */
.rows>*{display:flex;gap:12px;align-items:flex-start;padding:14px 0;border-bottom:1px solid var(--border-100);color:var(--text)}
.rows>*:last-child{border-bottom:0;padding-bottom:0}
.rows>*:first-child{padding-top:0}
.rows a:hover,.rows .rw:hover{text-decoration:none}
.rw{cursor:pointer}
.rw .rt{font-size:14.5px;font-weight:600;line-height:1.35;color:var(--text)}
.rw:hover .rt{color:var(--blue-600)}
.rw .rm{font-size:12.5px;color:var(--text-faint);margin-top:3px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.rw .rx{margin-left:auto;color:var(--ink-400);flex:0 0 auto;align-self:center}
.rw .rd{font-size:13px;color:var(--text-dim);margin-top:4px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ri{width:34px;height:34px;border-radius:var(--radius-sm);display:grid;place-items:center;flex:0 0 auto;
  background:var(--surface-100);color:var(--blue-600)}

/* CTA row §15.6 */
.ctas{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:22px}
.cta{border-radius:var(--radius-lg);padding:24px;position:relative;overflow:hidden;border:1px solid var(--card-bd)}
.cta.c1{background:linear-gradient(140deg,#F2F7FF,#E6F0FE)}
.cta.c2{background:linear-gradient(140deg,#FFFBF0,#FFF4DC)}
.cta.c3{background:linear-gradient(140deg,#F1FAF7,#E5F5EF)}
html[data-theme="dark"] .cta.c1{background:linear-gradient(140deg,#0F2A4B,#0C2340)}
html[data-theme="dark"] .cta.c2{background:linear-gradient(140deg,#2B2312,#201A0C)}
html[data-theme="dark"] .cta.c3{background:linear-gradient(140deg,#0D2A24,#0A201B)}
.cta .ci{width:52px;height:52px;border-radius:var(--radius-md);display:grid;place-items:center;margin-bottom:14px;
  background:var(--navy-900);color:var(--gold-500)}
.cta h3{font-size:18px;font-family:var(--sans);font-weight:600;margin-bottom:6px;display:flex;align-items:center;gap:9px}
.cta p{margin:0 0 18px;font-size:13.5px;line-height:1.55;color:var(--text-dim);max-width:330px}

/* ==========================================================================
   §16 Term detail
   ========================================================================== */
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-faint);margin-bottom:12px;flex-wrap:wrap}
.crumbs .ic{color:var(--ink-400)}
.crumbs a{color:var(--text-dim)}
.crumbs .cur{color:var(--blue-600);font-weight:500}
.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}
.page-head h1{font-size:41px;line-height:1.1;letter-spacing:-.016em}
.page-head h1::first-letter{text-transform:uppercase}
.head-acts{display:flex;gap:8px;flex:0 0 auto}
.head-acts .icon-btn{border:1px solid var(--border-200);background:var(--surface-0);width:42px;height:42px;border-radius:var(--radius-md)}

.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border-200);margin:22px 0 0;overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tabs button{background:none;border:0;border-bottom:2px solid transparent;padding:12px 16px;font-size:14.5px;
  font-weight:500;color:var(--text-faint);cursor:pointer;white-space:nowrap;transition:color 160ms var(--ease)}
.tabs button:hover{color:var(--ink-800)}
.tabs button.on{color:var(--blue-600);border-bottom-color:var(--blue-600);font-weight:600}
.tabs button .wip{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--gold-500);margin-left:7px;vertical-align:middle}

.term-body{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:26px;align-items:start;margin-top:22px}
.prose{max-width:748px;font-size:16px;line-height:1.72;color:var(--ink-800)}
.prose p{margin:0 0 16px}
.prose .ref{color:var(--blue-600);font-weight:600;font-size:13px;vertical-align:super;cursor:pointer}
.note-card{border-left:3px solid var(--blue-300);background:var(--blue-050);border-radius:0 var(--radius-md) var(--radius-md) 0;
  padding:16px 18px;margin:22px 0}
.note-card .eyebrow{margin-bottom:6px}
.note-card p{margin:0;font-size:14.5px;line-height:1.62;color:var(--ink-800)}

/* §16 Classification card */
.classif .cx{display:flex;gap:13px;padding:13px 0;border-bottom:1px solid var(--border-100)}
.classif .cx:last-child{border-bottom:0;padding-bottom:0}
.classif .cx:first-child{padding-top:0}
.cx .thumb{width:74px;height:54px;border-radius:var(--radius-sm);flex:0 0 auto;overflow:hidden;
  border:1px solid var(--border-200);background:var(--surface-75)}
.cx .cn{font-size:14px;font-weight:600;line-height:1.3}
.cx .cd{font-size:12.5px;color:var(--text-dim);line-height:1.45;margin-top:3px}

/* AI callout §16 */
.ai-callout{border-radius:var(--radius-lg);border:1px solid var(--blue-200);padding:22px;margin-top:26px;
  background:linear-gradient(135deg,#F6FAFF 0%,#EDF5FF 100%)}
html[data-theme="dark"] .ai-callout{background:linear-gradient(135deg,#0D2544 0%,#102C50 100%);border-color:rgba(141,187,255,.22)}
.ai-callout .hd{display:flex;gap:14px;align-items:flex-start;margin-bottom:16px}
.ai-callout .sp{width:50px;height:50px;border-radius:var(--radius-md);flex:0 0 auto;display:grid;place-items:center;
  background:linear-gradient(150deg,var(--navy-800),var(--navy-900));color:var(--gold-500)}
.ai-callout h3{font-family:var(--sans);font-size:17px;font-weight:600;margin-bottom:4px}
.ai-callout p{margin:0;font-size:13.5px;color:var(--text-dim);line-height:1.55}
.ai-form{display:flex;gap:10px}
.ai-form input{flex:1;height:48px;padding:0 16px;border-radius:var(--radius-md);border:1px solid var(--border-200);
  background:var(--surface-0);color:var(--text);font-size:14px;font-family:inherit;outline:none}
.ai-form input:focus{border-color:var(--blue-500);box-shadow:0 0 0 3px rgba(42,127,255,.12)}

.cite-foot{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:30px;padding-top:16px;
  border-top:1px solid var(--border-200);font-size:12.5px;color:var(--text-faint)}
.cite-foot .mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}

/* Evidence rail §16 */
.src{border:1px solid var(--card-bd);border-radius:var(--radius-md);padding:14px;margin-bottom:10px;background:var(--surface-0)}
.src .sh{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;margin-bottom:8px}
.src .st{font-family:var(--serif);font-size:16px;font-weight:600;line-height:1.3;color:var(--text)}
.src .sa{font-size:12.5px;color:var(--text-dim);margin-top:5px}
.src .sj{font-size:12.5px;color:var(--text-faint);margin-top:2px;display:flex;align-items:center;justify-content:space-between}
.src .strength{font-size:11px;color:var(--text-faint);text-align:right}
.src .strength b{display:block;font-size:12.5px;color:var(--success-600)}
.src .strength b.mid{color:var(--warning-600)}
.stars{display:flex;gap:3px;color:var(--gold-500)}
.stars .off{color:var(--border-300)}
.conf-row{display:flex;align-items:center;gap:12px;margin:10px 0 8px}
.conf-row .lv{font-size:15px;font-weight:600;color:var(--ink-800)}
.rel-chips{display:flex;flex-wrap:wrap;gap:8px}

/* ==========================================================================
   §17 Dentopedia AI
   ========================================================================== */
.conv-item{padding:13px 14px;border-radius:var(--radius-md);cursor:pointer;margin-bottom:4px;position:relative}
.conv-item:hover{background:var(--surface-75)}
.conv-item.on{background:var(--blue-050);border:1px solid var(--blue-200)}
.conv-item .ct{font-size:14px;font-weight:600;line-height:1.35;color:var(--text)}
.conv-item .cm{font-size:12px;color:var(--text-faint);margin-top:5px}
.conv-item .pin{position:absolute;right:12px;top:12px;color:var(--gold-500)}
.conv-group{font-size:12px;font-weight:600;color:var(--text-faint);padding:14px 14px 7px;letter-spacing:.02em}
.msg{display:flex;gap:12px;margin-bottom:18px}
.msg.me{justify-content:flex-end}
.bub{border-radius:var(--radius-md);padding:14px 17px;font-size:14.5px;line-height:1.6;max-width:76%}
.bub.me{background:var(--blue-100);color:var(--ink-900)}
.bub .tm{font-size:11px;color:var(--text-faint);margin-top:7px;text-align:right}
.answer{border:1px solid var(--card-bd);border-radius:var(--radius-lg);padding:22px;background:var(--surface-0);flex:1}
.answer .lead{font-size:14.5px;line-height:1.65;color:var(--ink-800);margin:0 0 18px}
.answer h3{font-size:22px;margin:0 0 10px}
.answer hr{border:0;border-top:1px solid var(--border-100);margin:20px 0}
.facts{display:grid;gap:13px}
.fact{display:flex;gap:12px;align-items:flex-start;font-size:14px;line-height:1.6}
.fact .ic{color:var(--blue-600);margin-top:3px}
.fact b{color:var(--ink-900)}
.composer{display:flex;align-items:center;gap:10px;border:1px solid var(--border-200);border-radius:var(--radius-md);
  background:var(--surface-0);padding:8px 8px 8px 14px;margin-top:16px}
.composer input{flex:1;border:0;outline:none;background:none;font-size:14.5px;font-family:inherit;color:var(--text);height:48px}
.send{width:44px;height:44px;border-radius:var(--radius-sm);border:0;background:var(--blue-600);color:#fff;
  display:grid;place-items:center;cursor:pointer}
.disclaim{display:flex;justify-content:space-between;gap:12px;font-size:12px;color:var(--text-faint);margin-top:10px}

/* ==========================================================================
   §18–20 Academy
   ========================================================================== */
.course-hero{position:relative;border-radius:var(--radius-hero);overflow:hidden;padding:32px 36px;color:#fff;
  background:linear-gradient(100deg,#07192F 0%,#0B2340 46%,#123A62 100%)}
.course-hero .ph{position:absolute;inset:0;opacity:.30;background:
  radial-gradient(60% 90% at 78% 50%, rgba(42,127,255,.55), transparent 62%)}
.course-hero .inner{position:relative;z-index:2;max-width:620px}
.course-hero h1{color:#fff;font-size:36px;line-height:1.14}
.course-hero p{color:rgba(255,255,255,.80);font-size:14.5px;line-height:1.6;margin:12px 0 0;max-width:520px}
.chip-dark{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-sm);padding:9px 13px;font-size:13px;color:#fff}
.meta-bar{display:flex;flex-wrap:wrap;gap:22px;margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);
  font-size:13.5px;color:rgba(255,255,255,.88)}
.meta-bar span{display:inline-flex;align-items:center;gap:8px}
.course-card{border:1px solid var(--card-bd);border-radius:var(--radius-lg);overflow:hidden;background:var(--card-bg);
  box-shadow:var(--shadow-xs);cursor:pointer;transition:transform 180ms var(--ease),box-shadow 180ms var(--ease)}
.course-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.course-card .cimg{aspect-ratio:1.45/1;position:relative;border-bottom:1px solid var(--border-100)}
.course-card .cbody{padding:16px 17px 17px}
.course-card h3{font-size:17px;line-height:1.25;margin-bottom:7px}
.course-card p{margin:0 0 13px;font-size:13px;line-height:1.5;color:var(--text-dim);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cmeta{display:flex;flex-wrap:wrap;gap:12px;font-size:11.5px;color:var(--text-faint);align-items:center;margin-top:11px;
  padding-top:11px;border-top:1px solid var(--border-100)}
.cmeta span{display:inline-flex;align-items:center;gap:5px}
.lvl{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:600}
.lvl i{width:7px;height:7px;border-radius:50%;background:currentColor}
.lvl.beg{color:var(--success-600)} .lvl.int{color:var(--warning-600)} .lvl.adv{color:var(--danger-600)}
.bk{position:absolute;left:11px;top:11px;width:32px;height:32px;border-radius:var(--radius-sm);display:grid;place-items:center;
  background:rgba(255,255,255,.92);color:var(--ink-800);border:0;cursor:pointer}
.cbadge{position:absolute;right:11px;top:11px}

/* accordion §19 */
.acc{border:1px solid var(--border-200);border-radius:var(--radius-md);overflow:hidden;margin-bottom:10px}
.acc-h{display:flex;align-items:center;gap:13px;padding:14px 16px;cursor:pointer;background:var(--surface-25)}
.acc-h:hover{background:var(--surface-75)}
.acc-h .num{width:26px;height:26px;border-radius:var(--radius-xs);display:grid;place-items:center;flex:0 0 auto;
  background:var(--surface-100);color:var(--ink-650);font-size:12.5px;font-weight:700}
.acc-h .mt{font-size:11.5px;color:var(--text-faint)}
.acc-h .mn{font-size:14.5px;font-weight:600;line-height:1.3}
.acc-h .rt{margin-left:auto;display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--text-faint);flex:0 0 auto}
.lesson{display:flex;align-items:center;gap:13px;padding:11px 16px 11px 55px;border-top:1px solid var(--border-100);
  font-size:14px;cursor:pointer}
.lesson:hover{background:var(--blue-050)}
.lesson .lx{margin-left:auto;font-size:12.5px;color:var(--text-faint)}
.lesson.done .li{color:var(--success-600)}
.lesson.lock{color:var(--text-faint);cursor:default}
.lesson.lock:hover{background:none}
.lesson.cur{background:var(--blue-050);border-left:3px solid var(--blue-600);padding-left:52px}

/* player §20 */
.player{position:relative;aspect-ratio:16/9;border-radius:var(--radius-lg);overflow:hidden;background:#071426;
  display:grid;place-items:center}
.player .ctrl{position:absolute;left:0;right:0;bottom:0;padding:14px 18px;display:flex;align-items:center;gap:14px;
  background:linear-gradient(180deg,transparent,rgba(4,12,24,.86));color:#fff}
.player .ctrl .tm{font-size:12.5px;font-variant-numeric:tabular-nums}
.player .bar{flex:1;height:4px;border-radius:99px;background:rgba(255,255,255,.28);position:relative}
.player .bar>i{display:block;height:100%;border-radius:99px;background:var(--gold-500);width:28%}
.player .bar::after{content:"";position:absolute;left:28%;top:50%;width:11px;height:11px;border-radius:50%;
  background:var(--gold-500);transform:translate(-50%,-50%)}
.player .pbtn{background:none;border:0;color:#fff;cursor:pointer;display:grid;place-items:center}
.overlay-card{position:absolute;left:22px;top:20px;z-index:2;color:#fff;max-width:330px}
.overlay-card h3{color:#fff;font-size:23px;line-height:1.2;margin-bottom:14px}
.overlay-card li{list-style:none;display:flex;gap:9px;font-size:13px;margin-bottom:7px;align-items:center}
.overlay-card .ic{color:var(--gold-500)}
.overlay-card ul{margin:0;padding:0}
.logo-badge{position:absolute;right:18px;top:18px;z-index:2;display:flex;align-items:center;gap:8px;
  background:rgba(8,26,51,.62);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-sm);padding:8px 12px}
.logo-badge .wm{font-family:var(--serif);font-size:13px;letter-spacing:.13em;color:#fff}
.logo-badge .tg{font-size:6.5px;letter-spacing:.14em;color:var(--gold-400);text-transform:uppercase}

.tr-row{display:flex;gap:16px;padding:7px 12px;border-radius:var(--radius-xs);font-size:13.5px;line-height:1.55}
.tr-row .ts{font-variant-numeric:tabular-nums;color:var(--text-faint);font-size:12.5px;flex:0 0 46px;padding-top:1px}
.tr-row.cur{background:var(--blue-050);color:var(--blue-700);font-weight:500}
.tr-row.cur .ts{color:var(--blue-600)}

.kmap{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:center;padding:6px 0}
.knode{display:inline-flex;align-items:center;gap:8px;border-radius:var(--radius-pill);padding:8px 14px;font-size:12.5px;
  border:1px solid var(--border-200);background:var(--surface-0);color:var(--ink-800)}
.knode.done{border-color:#BFE6D2;background:var(--success-100);color:var(--success-600)}
.knode.cur{background:var(--navy-900);color:#fff;border-color:var(--navy-900);font-weight:600}
.klegend{display:flex;gap:18px;justify-content:center;font-size:11.5px;color:var(--text-faint);margin-top:12px}
.klegend i{width:8px;height:8px;border-radius:50%;display:inline-block;margin-right:6px}

.quiz-opt{display:flex;align-items:center;gap:12px;border:1px solid var(--border-200);border-radius:var(--radius-sm);
  padding:11px 13px;margin-bottom:8px;font-size:13.5px;cursor:pointer}
.quiz-opt:hover{border-color:var(--blue-300)}
.quiz-opt .k{width:24px;height:24px;border-radius:var(--radius-xs);display:grid;place-items:center;flex:0 0 auto;
  background:var(--surface-100);font-size:11.5px;font-weight:700;color:var(--ink-650)}
.quiz-opt.ok{border-color:#BFE6D2;background:var(--success-100)}
.quiz-opt.ok .k{background:var(--success-600);color:#fff}
.quiz-opt.ok .ic{margin-left:auto;color:var(--success-600)}

.dl{display:flex;gap:12px;align-items:center;border:1px solid var(--border-200);border-radius:var(--radius-md);padding:13px 15px}
.dl .ic{color:var(--danger-600)}
.dl .dn{font-size:13.5px;font-weight:500;line-height:1.3}
.dl .dm{font-size:11.5px;color:var(--text-faint);margin-top:2px}

/* placeholder media §  */
.ph-img{position:relative;width:100%;height:100%;display:grid;place-items:center;overflow:hidden;
  background:
    linear-gradient(135deg,rgba(10,102,232,.10),rgba(11,35,64,.14)),
    repeating-linear-gradient(45deg,var(--surface-75) 0 10px,var(--surface-100) 10px 20px)}
.ph-img .ic{color:var(--blue-300);opacity:.85}
.ph-tag{position:absolute;right:8px;bottom:8px;font-size:9px;font-weight:600;letter-spacing:.10em;text-transform:uppercase;
  background:rgba(8,26,51,.62);color:#fff;border-radius:99px;padding:3px 8px}

/* §26 empty states */
.empty{text-align:center;padding:44px 26px;max-width:520px;margin:0 auto}
.empty .ei{width:58px;height:58px;border-radius:var(--radius-lg);display:grid;place-items:center;margin:0 auto 16px;
  background:var(--surface-100);color:var(--ink-400)}
.empty h3{font-family:var(--sans);font-size:17px;font-weight:600;margin-bottom:7px}
.empty p{margin:0 0 18px;font-size:14px;color:var(--text-dim);line-height:1.6}
.rail-empty{text-align:center;padding:20px 10px;color:var(--text-faint);font-size:13px;line-height:1.6}
.rail-empty .ic{color:var(--ink-400);opacity:.7;margin-bottom:10px}

/* §27 skeletons */
.sk{border-radius:var(--radius-sm);background:linear-gradient(90deg,var(--surface-100) 25%,var(--surface-75) 37%,var(--surface-100) 63%);
  background-size:400% 100%;animation:shim 1.8s ease infinite}
@keyframes shim{0%{background-position:100% 50%}100%{background-position:0 50%}}

/* module placeholder banner */
.wip-banner{display:flex;gap:16px;align-items:flex-start;border:1px dashed var(--border-300);border-radius:var(--radius-lg);
  padding:20px 22px;background:var(--surface-25)}
.wip-banner .wi{width:46px;height:46px;border-radius:var(--radius-md);display:grid;place-items:center;flex:0 0 auto;
  background:var(--gold-100);color:var(--warning-600)}
.wip-banner h3{font-family:var(--sans);font-size:16px;font-weight:600;margin-bottom:5px}
.wip-banner p{margin:0;font-size:13.5px;line-height:1.6;color:var(--text-dim);max-width:720px}

.faded{opacity:.55;pointer-events:none;user-select:none}
.mini-table{width:100%;border-collapse:collapse;font-size:13.5px}
.mini-table td{padding:9px 0;border-bottom:1px solid var(--border-100)}
.mini-table tr:last-child td{border-bottom:0}
.mini-table td:first-child{color:var(--text-faint);display:flex;align-items:center;gap:9px}
.mini-table td:last-child{text-align:right;font-weight:500}
.mini-table .ic{color:var(--ink-400)}

/* ==========================================================================
   §29 Responsive
   ========================================================================== */
@media (max-width:1439px){
  :root{--pad:24px;--rail-w:302px}
  .hero h1{font-size:40px}
}
@media (max-width:1279px){
  :root{--sb-w:0px}
  .sidebar{transform:translateX(-100%);transition:transform 220ms var(--ease);width:276px}
  .sidebar.open{transform:none}
  .only-mobile{display:grid}
  .rail-grid,.term-body{grid-template-columns:minmax(0,1fr)}
  .ai-grid{grid-template-columns:minmax(0,1fr)}
  .areas,.stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3,.ctas{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-art,.hero-side{display:none}
  .hero-in{max-width:none}
}
@media (max-width:1023px){
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:767px){
  :root{--pad:16px;--tb-h:62px}
  .main{padding:14px var(--pad) 56px}
  .hero{padding:26px 22px}
  .hero h1{font-size:30px}
  .page-head h1{font-size:30px}
  .stats,.areas,.grid-3,.grid-4,.ctas{grid-template-columns:minmax(0,1fr)}
  .kbd,.lang,.user-chip .nm,.user-chip .rl{display:none}
  .gsearch input{height:44px;padding-right:16px}
  .gs-ic{top:12px}
  .trust{gap:14px}
  .bub{max-width:92%}
  .btn{height:42px}
  .icon-btn,.pill,.btn{min-height:44px}
  .lesson{padding-left:16px}
  .lesson.cur{padding-left:13px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;
    transition-duration:.01ms!important;scroll-behavior:auto!important}
}

/* --- tamni placeholder unutar tamnih površina (player, course hero) --- */
.player .ph-img,.course-hero .ph-img{
  background:
    linear-gradient(135deg,rgba(42,127,255,.22),rgba(7,20,38,.55)),
    repeating-linear-gradient(45deg,#0A1E36 0 10px,#0D2744 10px 20px)}
.player .ph-img .ic,.course-hero .ph-img .ic{color:rgba(141,187,255,.55)}
.player .ph-tag{right:12px;top:12px;bottom:auto}
.course-hero .ph-tag{display:none}
.btn{white-space:nowrap}
.overlay-card{text-shadow:0 1px 10px rgba(4,12,24,.75)}

@media (max-width:767px){
  .spread{flex-wrap:wrap}
  .ai-form{flex-wrap:wrap}
  .ai-form input,.ai-form .btn{width:100%}
  .page-head{flex-wrap:wrap}
  .head-acts{flex-wrap:wrap}
  .meta-bar{gap:12px}
  .course-hero{padding:22px 18px}
  .course-hero h1{font-size:26px}
  .acc-h .rt{gap:8px;font-size:11.5px}
  .composer{flex-wrap:wrap}
  .composer input{width:100%}
}

/* --- stvarne fotografije (izvučene iz maketa) --- */
.pic{position:relative;width:100%;height:100%;overflow:hidden;background:var(--surface-100)}
.pic>img{width:100%;height:100%;object-fit:cover;display:block}
.pic .ph-tag{position:absolute;right:8px;bottom:8px;font-size:9px;font-weight:600;letter-spacing:.10em;
  text-transform:uppercase;background:rgba(8,26,51,.62);color:#fff;border-radius:99px;padding:3px 8px}
.hero .hero-photo{position:absolute;right:118px;top:50%;transform:translateY(-50%);width:330px;max-width:34%;
  z-index:1;pointer-events:none;mix-blend-mode:screen;opacity:1;
  -webkit-mask-image:radial-gradient(closest-side at 50% 50%, #000 58%, transparent 96%);
          mask-image:radial-gradient(closest-side at 50% 50%, #000 58%, transparent 96%)}
.hero:not(.dark) .hero-photo{mix-blend-mode:normal;right:24px;width:430px}
.course-hero .bgphoto{position:absolute;inset:0;z-index:0}
.course-hero .bgphoto img{width:100%;height:100%;object-fit:cover;object-position:62% 50%}
.course-hero .veil{position:absolute;inset:0;z-index:1;
  background:linear-gradient(90deg,#07192F 0%,#081F3A 38%,rgba(9,28,52,.88) 52%,rgba(11,35,64,.42) 72%,rgba(11,35,64,.22) 100%)}
.player .frame{position:absolute;inset:0}
.player .frame img{width:100%;height:100%;object-fit:cover}
.player .frame::after{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(4,12,24,.80) 0%,rgba(4,12,24,.35) 46%,transparent 70%)}

/* --- korisnički meni u topbaru --- */
.usermenu{position:relative}
.usermenu .menu{position:absolute;right:0;top:calc(100% + 10px);min-width:250px;z-index:70;
  background:var(--card-bg);border:1px solid var(--card-bd);border-radius:var(--radius-md);
  box-shadow:var(--shadow-md);padding:6px;animation:menuIn 180ms var(--ease)}
@keyframes menuIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
.menu-head{display:flex;align-items:center;gap:11px;padding:11px 12px 13px;border-bottom:1px solid var(--border-100);margin-bottom:6px}
.menu-head b{display:block;font-size:13.5px;font-weight:600;line-height:1.3;color:var(--text)}
.menu-head i{display:block;font-style:normal;font-size:12px;color:var(--text-faint)}
.menu-item{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:var(--radius-sm);
  font-size:14px;color:var(--text);cursor:pointer}
.menu-item .ic{color:var(--ink-500)}
.menu-item:hover{background:var(--surface-75);text-decoration:none}
.menu-item.off{opacity:.5;cursor:default}
.menu-item.off:hover{background:none}
.menu-item .sb-soon{margin-left:auto;background:var(--surface-100);color:var(--text-faint)}
.menu-sep{height:1px;background:var(--border-100);margin:6px 0}
@media (max-width:767px){.usermenu .menu{right:-8px;min-width:230px}}

/* --- brojevi: linijske, tabelarne cifre (tačka kao hiljadarski separator na osnovnoj liniji) --- */
.stat b,.hero .h-eyebrow,.mini-table td:last-child,.player .tm,.tr-row .ts,
.area .ac,.rw .rm,.cmeta,.acc-h .rt{font-variant-numeric:lining-nums tabular-nums}

/* ---------------------------------------------------------------------------
   Knjiga u tri dimenzije

   Prednja strana je stvarni skenirani omot prvog izdanja. Okrenuta je udesno
   pa se vidi bok knjige — rez listova, ne hrbat. To je namerno: hrbat prvog
   izdanja nemamo, a nacrtati ga sa naslovom znacilo bi izmisliti deo knjige
   koja stvarno postoji. Rez listova mozemo da nacrtamo posteno.

   Sve se racuna iz --sirina. Leksikon ima blizu 700 strana, pa je debljina
   oko petine sirine korice — otuda faktor .2.
   --------------------------------------------------------------------------- */
.knjiga-scena{display:block;flex:0 0 auto;text-decoration:none;
  width:var(--sirina,200px);--dubina:calc(var(--sirina,200px) * .2);
  perspective:1100px;perspective-origin:62% 46%}

/* display:block je obavezan — .knjiga je <span> na /leksikon/, a transform
   na inline elementu nema nikakvo dejstvo: knjiga bi ostala skroz ravna. */
.knjiga{display:block;position:relative;transform-style:preserve-3d;
  transform:rotateY(-30deg);
  transition:transform .55s cubic-bezier(.2,.7,.3,1)}
.knjiga-scena:hover .knjiga,.knjiga-scena:focus-visible .knjiga{
  transform:rotateY(-17deg)}

/* Pomeranje napred ide na <picture>, ne na <img>. preserve-3d vazi samo za
   neposrednu decu: kada je translateZ stajao na slici unutar <picture>,
   <picture> ga je spljostio, pa je korica ostajala na z=0 dok su senka
   preloma i rez listova bili izmaknuti — otuda beli pojas levo od knjige. */
.knjiga picture{display:block;transform:translateZ(var(--dubina))}
.knjiga > img.k-lice{transform:translateZ(var(--dubina))}
.knjiga img.k-lice{display:block;width:100%;height:auto;
  border-radius:1px 4px 4px 1px;
  box-shadow:0 0 0 1px rgba(0,0,0,.12)}

/* senka preloma uz hrbat i odsjaj po spoljnoj ivici; bez toga korica
   izgleda kao nalepnica zalepljena na blok papira */
.knjiga::before{content:"";position:absolute;inset:0;pointer-events:none;
  transform:translateZ(calc(var(--dubina) + .5px));
  border-radius:1px 4px 4px 1px;
  background:linear-gradient(90deg,rgba(0,0,0,.40) 0,rgba(0,0,0,.16) 3.5%,
    rgba(0,0,0,0) 10%,rgba(0,0,0,0) 90%,rgba(255,255,255,.14) 100%)}

/* rez listova: desni bok, okrenut ka posmatracu.
   Levi kraj trake je uz koricu (napred), desni je pozadi — otuda tamnjenje. */
.knjiga .k-listovi{position:absolute;top:0;right:0;height:100%;
  width:var(--dubina);
  transform-origin:right center;transform:rotateY(90deg);
  border-radius:0 2px 2px 0;
  background:
    linear-gradient(90deg,rgba(255,255,255,.35) 0,rgba(0,0,0,0) 22%,
      rgba(0,0,0,.10) 62%,rgba(0,0,0,.34) 100%),
    repeating-linear-gradient(90deg,#f6f2e8 0 2px,#ded6c2 2px 3px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.5),
             inset 0 -1px 0 rgba(0,0,0,.22)}

/* hrbat postoji radi celovitosti tela knjige; pri ovom uglu je okrenut od
   posmatraca, pa se i ne vidi — zato i nema naslov. */
.knjiga .k-hrbat{position:absolute;top:0;left:0;height:100%;
  width:var(--dubina);backface-visibility:hidden;
  transform-origin:left center;transform:rotateY(-90deg);
  background:linear-gradient(90deg,#061f2f,#0b4166 55%,#08314b)}

/* senka na podlozi, pomerena u stranu kao da svetlo dolazi s leva gore */
.knjiga-scena::after{content:"";display:block;
  width:80%;height:18px;margin:4px 0 0 12%;
  border-radius:50%;filter:blur(13px);
  background:rgba(12,32,54,.38)}
:root[data-theme="dark"] .knjiga-scena::after{background:rgba(0,0,0,.62)}

/* traka: knjiga levo, tekst desno */
.knjiga-traka{display:flex;gap:34px;align-items:center}
.knjiga-traka .kt-tekst{min-width:0}
@media (max-width:719px){
  .knjiga-traka{flex-direction:column;align-items:flex-start;gap:22px}
  .knjiga-scena{align-self:center}
}
@media (prefers-reduced-motion:reduce){.knjiga{transition:none}}

/* prilog uz arhivski tekst — PDF ili slika preneta sa starog sajta */
.prilog{display:flex;align-items:center;gap:9px;padding:9px 11px;margin:6px 0 0;
  border:1px solid var(--line);border-radius:9px;text-decoration:none;
  color:var(--text);font-size:13.5px;word-break:break-all;transition:background .15s}
.prilog:first-of-type{margin-top:10px}
.prilog:hover{background:var(--chip,rgba(11,35,64,.05));border-color:var(--navy,#0B2340)}
.prilog i{flex:0 0 auto;color:var(--muted)}

/* slike i nestale datoteke iz arhivskih tekstova */
.md-slika{display:block;max-width:100%;height:auto;margin:14px 0;
  border-radius:10px;border:1px solid var(--line)}
.md-nema{display:inline-block;padding:2px 8px;border-radius:6px;
  background:var(--chip,rgba(11,35,64,.06));color:var(--muted);
  font-size:12.5px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}