/* Kursem — koyu cam arayüz, K desenli zemin. Renkler: grafit zemin + şampanya/bronz vurgu (kahveye boğmadan). */
:root{--bg:#0f0e0d;--bg2:#181512;--glass:rgba(255,244,230,.055);--glass2:rgba(255,244,230,.095);--line:rgba(255,236,214,.13);--line2:rgba(255,236,214,.24);--tx:#f4ebde;--mut:#b4a695;--dim:#857a6d;--gold:#e8d1ad;--gold2:#c99f6e;--ok:#9bd6a4;--warn:#e7b96a;--r:22px}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;min-height:100dvh;color:var(--tx);font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Inter,"Helvetica Neue",Arial,sans-serif;font-size:15px;line-height:1.5;background:radial-gradient(1100px 620px at 82% -8%,rgba(201,159,110,.16),transparent 62%),radial-gradient(900px 600px at 0% 100%,rgba(232,209,173,.05),transparent 60%),var(--bg);overflow-x:hidden}
/* K karoları: eğik, parlak kenarlı karolar */
.bgk{position:fixed;inset:-25%;z-index:0;pointer-events:none;opacity:.7;transform:rotate(-13deg) scale(1.05);background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='420' height='300' viewBox='0 0 420 300'><defs><linearGradient id='g' x1='0' y1='0' x2='1' y2='1'><stop offset='0' stop-color='%23352c24'/><stop offset='1' stop-color='%231a1612'/></linearGradient></defs><g id='t'><rect x='10' y='14' width='190' height='128' rx='30' fill='url(%23g)' stroke='%23e8d1ad' stroke-opacity='.13' stroke-width='1.4'/><g fill='none' stroke='%23e8d1ad' stroke-opacity='.26' stroke-width='7' stroke-linecap='round' stroke-linejoin='round'><path d='M84 42v72M84 80l42-36M96 76l32 36'/><path d='M62 62l16-16'/></g></g><use href='%23t' x='210' y='150'/></svg>");background-size:420px 300px}
.bgk::after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 50% 40%,transparent 30%,rgba(15,14,13,.78) 100%)}
#app{position:relative;z-index:1;max-width:1320px;margin:0 auto;padding:18px 24px 128px}
a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}
.mono{width:60px;height:60px;border-radius:18px;margin:0 auto 18px;display:grid;place-items:center;font:300 34px/1 Georgia,serif;color:var(--gold);background:var(--glass2);border:1px solid var(--line2)}
.plain{display:grid;place-items:center;padding:24px}.plain-c{max-width:440px;width:100%;text-align:center;background:var(--glass);border:1px solid var(--line);border-radius:28px;padding:36px;backdrop-filter:blur(18px);position:relative;z-index:1}
.plain h1{margin:0 0 8px;font-size:25px;letter-spacing:-.4px}.plain p{color:var(--mut);margin:0 0 6px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;border:1px solid var(--line2);background:linear-gradient(180deg,var(--gold),#cfae82);color:#201912;font-weight:700;margin-top:16px}
.btn.ghost{background:var(--glass2);color:var(--tx);border-color:var(--line2)}.btn.sm{padding:8px 14px;margin:0;font-size:13.5px}.btn.danger{background:rgba(231,110,100,.14);color:#f2b3ab;border-color:rgba(231,110,100,.35)}
/* üst çubuk */
.top{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px}
.logo{display:flex;align-items:center;gap:12px}.logo svg{width:36px;height:36px}.logo b{font-weight:500;letter-spacing:.32em;font-size:19px;color:var(--gold);padding-left:12px;border-left:1px solid var(--line2)}
.pills{display:flex;align-items:center;gap:10px}
.pill{display:inline-flex;align-items:center;gap:9px;padding:10px 18px;border-radius:999px;background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(16px);font-weight:600;font-size:14px;white-space:nowrap}
.pill:hover{border-color:var(--line2)}.pill.on{background:linear-gradient(180deg,var(--gold),#cfae82);color:#201912;border-color:transparent}
.user{display:flex;align-items:center;gap:11px;padding:7px 16px 7px 8px;border-radius:999px;background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(16px)}
.av{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-weight:700;color:#201912;background:linear-gradient(135deg,var(--gold),var(--gold2))}.user small{display:block;color:var(--mut);font-size:12px;line-height:1.2}.user b{font-size:14px;line-height:1.2}
.ic{width:20px;height:20px;flex:none;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
/* cam kartlar */
.glass{background:linear-gradient(180deg,rgba(255,244,230,.075),rgba(255,244,230,.035));border:1px solid var(--line);border-radius:var(--r);backdrop-filter:blur(18px);box-shadow:0 18px 40px rgba(0,0,0,.28),inset 0 1px 0 rgba(255,244,230,.06)}
.hero{position:relative;overflow:hidden;padding:30px 34px;margin-bottom:22px;display:flex;justify-content:space-between;align-items:center;gap:24px;min-height:150px}
.hero small,.eyebrow{color:var(--mut);font-size:14px;letter-spacing:.02em}.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:12px;color:var(--gold2);font-weight:700}
.hero h1{margin:6px 0 8px;font-size:40px;line-height:1.08;letter-spacing:-1.1px;font-weight:700}.hero p{margin:0;color:var(--mut);max-width:560px}
.tile{flex:none;width:150px;height:110px;border-radius:26px;transform:rotate(-8deg) skewX(-4deg);background:linear-gradient(135deg,#4a3d31,#1d1914);border:1px solid var(--line2);box-shadow:0 22px 40px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,244,230,.18);display:grid;place-items:center}
.tile svg{width:70px;height:70px;stroke:var(--gold);fill:none;stroke-width:5;stroke-linecap:round;stroke-linejoin:round;filter:drop-shadow(0 0 10px rgba(232,209,173,.4))}
.back{display:inline-flex;align-items:center;gap:8px;color:var(--mut);margin-bottom:14px;font-weight:600}.back:hover{color:var(--tx)}
.grid{display:grid;gap:18px;grid-template-columns:repeat(3,minmax(0,1fr))}.grid.g4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{display:flex;flex-direction:column;overflow:hidden;transition:transform .2s,border-color .2s}.card:hover{transform:translateY(-3px);border-color:var(--line2)}
.cover{position:relative;height:118px;display:flex;align-items:flex-end;padding:14px 18px;overflow:hidden;background:linear-gradient(135deg,var(--c1,#4a3d31),var(--c2,#1d1914))}
.cover::before{content:"";position:absolute;right:-30px;top:-34px;width:150px;height:150px;border-radius:34px;border:1px solid rgba(255,244,230,.18);transform:rotate(18deg)}
.cover i{font:200 64px/1 Georgia,serif;font-style:normal;color:rgba(255,244,230,.86);letter-spacing:-2px}.cover .tg{position:absolute;left:16px;top:14px;padding:5px 12px;border-radius:999px;background:rgba(15,14,13,.45);border:1px solid var(--line);font-size:12px;font-weight:600;color:var(--gold)}
.cbody{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}.cbody h3{margin:0;font-size:18px;line-height:1.25;letter-spacing:-.2px}.cbody p{margin:0;color:var(--mut);font-size:13.5px}
.meta{display:flex;align-items:center;gap:14px;color:var(--mut);font-size:13px;margin-top:auto}.meta span{display:inline-flex;align-items:center;gap:6px}.meta .ic{width:16px;height:16px}
.bar{height:6px;border-radius:99px;background:rgba(255,244,230,.12);overflow:hidden;flex:1}.bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--gold),var(--gold2))}.pc{font-size:13px;font-weight:700;min-width:40px;text-align:right}
.row2{display:flex;align-items:center;gap:12px}
/* ders satırları */
.lessons{display:grid;gap:12px;grid-template-columns:repeat(2,minmax(0,1fr))}
.les{display:flex;align-items:center;gap:14px;padding:12px 14px 12px 12px;border-radius:20px}.les:hover{border-color:var(--line2)}
.th{width:78px;height:78px;border-radius:16px;flex:none;display:grid;place-items:center;background:linear-gradient(135deg,#40362c,#1b1713);border:1px solid var(--line);color:var(--gold)}.th .ic{width:28px;height:28px}
.les .tx{flex:1;min-width:0}.les .no{display:inline-block;padding:3px 10px;border-radius:8px;background:rgba(255,244,230,.08);border:1px solid var(--line);font-size:11.5px;color:var(--mut);margin-bottom:6px}.les h4{margin:0;font-size:16.5px;line-height:1.25}
.st{display:inline-flex;align-items:center;gap:7px;padding:7px 13px;border-radius:999px;font-size:12.5px;font-weight:600;border:1px solid var(--line);background:rgba(255,244,230,.06);color:var(--mut);white-space:nowrap}.st.ok{background:rgba(155,214,164,.13);color:var(--ok);border-color:rgba(155,214,164,.3)}.st.go{background:rgba(232,209,173,.13);color:var(--gold);border-color:rgba(232,209,173,.32)}.st.soon{color:var(--dim)}
.side{display:flex;flex-direction:column;align-items:flex-end;gap:10px}.dur{display:inline-flex;align-items:center;gap:6px;color:var(--mut);font-size:13px}
/* oynatıcı */
.player{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:20px;align-items:start}
.vwrap{border-radius:var(--r);overflow:hidden;background:#000;border:1px solid var(--line2);aspect-ratio:16/9;box-shadow:0 24px 50px rgba(0,0,0,.5)}.vwrap video{width:100%;height:100%;display:block;background:#000}
.empty{aspect-ratio:16/9;display:grid;place-items:center;text-align:center;padding:30px;color:var(--mut)}
.ttl{margin:18px 0 6px;font-size:28px;letter-spacing:-.6px;line-height:1.15}.acts{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;align-items:center}
.plist{padding:14px;max-height:calc(100vh - 220px);overflow:auto}.plist h4{margin:2px 6px 10px;font-size:15px}
.pi{display:flex;align-items:center;gap:10px;padding:10px;border-radius:14px;color:var(--mut);font-size:14px}.pi:hover{background:var(--glass2);color:var(--tx)}.pi.on{background:rgba(232,209,173,.12);color:var(--tx);border:1px solid rgba(232,209,173,.3)}.pi .ic{width:18px;height:18px}.pi .ok{color:var(--ok)}.pi small{margin-left:auto;color:var(--dim)}
.res{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
/* alt gezinme */
.dock{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);z-index:30;display:flex;gap:6px;padding:8px;border-radius:999px;background:rgba(24,21,18,.7);border:1px solid var(--line2);backdrop-filter:blur(22px);box-shadow:0 20px 44px rgba(0,0,0,.5);max-width:calc(100vw - 24px)}
.dock a{display:flex;align-items:center;gap:9px;padding:12px 22px;border-radius:999px;color:var(--mut);font-weight:600;white-space:nowrap}.dock a:hover{color:var(--tx)}.dock a.on{background:linear-gradient(180deg,var(--gold),#cfae82);color:#201912;box-shadow:inset 0 1px 0 rgba(255,255,255,.4)}
/* yönetim */
.stat{padding:18px 20px}.stat small{color:var(--mut)}.stat b{display:block;font-size:32px;letter-spacing:-1px;margin:2px 0}.stat span{color:var(--gold2);font-size:12.5px;font-weight:600}
.tool{display:flex;align-items:center;gap:16px;padding:18px 20px}.tool .tb{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:var(--gold);color:#201912;flex:none}.tool b{display:block;font-size:17px}.tool p{margin:2px 0 0;color:var(--mut);font-size:13.5px}
h2.sec{font-size:20px;margin:30px 0 14px;letter-spacing:-.3px;display:flex;align-items:center;gap:12px}h2.sec small{font-weight:500;color:var(--mut);font-size:13.5px}
.table{width:100%;border-collapse:collapse}.table td,.table th{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:14px}.table th{color:var(--mut);font-weight:600;font-size:12.5px;text-transform:uppercase;letter-spacing:.08em}
.chip{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;border:1px solid var(--line);color:var(--mut);background:rgba(255,244,230,.05)}.chip.ok{color:var(--ok);border-color:rgba(155,214,164,.3)}.chip.warn{color:var(--warn);border-color:rgba(231,185,106,.35)}
/* eğitmen düzenleyici */
.mod{margin-bottom:16px;overflow:hidden}.mh{display:flex;align-items:center;gap:12px;padding:16px 20px;cursor:pointer}.mh h3{margin:0;font-size:18px;flex:1}.mh .tg{padding:4px 11px;border-radius:999px;background:rgba(232,209,173,.12);color:var(--gold);font-size:12px;font-weight:700}.mh .ic.ch{transition:transform .2s}.mod.open .ic.ch{transform:rotate(90deg)}
.mb{display:none;border-top:1px solid var(--line);padding:8px 14px 14px}.mod.open .mb{display:block}
.er{display:flex;align-items:center;gap:12px;padding:10px 8px;border-bottom:1px solid var(--line)}.er:last-of-type{border-bottom:0}.er .n{width:26px;color:var(--dim);font-size:13px}.er .t{flex:1;min-width:0;font-weight:600}.er .md{display:flex;gap:6px}.er .ib{display:flex;gap:6px}
.ibtn{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:var(--glass);border:1px solid var(--line);color:var(--mut)}.ibtn:hover{color:var(--tx);border-color:var(--line2)}.ibtn .ic{width:16px;height:16px}
.modal{position:fixed;inset:0;z-index:60;display:grid;place-items:center;padding:18px;background:rgba(8,7,6,.66);backdrop-filter:blur(6px)}.modal .box{width:100%;max-width:560px;padding:26px;background:#1a1612;border:1px solid var(--line2);border-radius:26px;box-shadow:0 30px 70px rgba(0,0,0,.6)}
.modal h3{margin:0 0 14px;font-size:21px}.fl{display:block;margin:12px 0 6px;color:var(--mut);font-size:13px;font-weight:600}
.in{width:100%;padding:12px 14px;border-radius:14px;border:1px solid var(--line2);background:rgba(255,244,230,.05);color:var(--tx);font:inherit}.in:focus{outline:2px solid rgba(232,209,173,.4);border-color:var(--gold)}textarea.in{min-height:84px;resize:vertical}
.err{color:#f2a89f;min-height:20px;font-size:13.5px;margin-top:10px}.fa{display:flex;gap:10px;justify-content:flex-end;margin-top:14px}
.toast{position:fixed;left:50%;top:18px;transform:translateX(-50%);z-index:80;padding:11px 20px;border-radius:999px;background:#241f1a;border:1px solid var(--line2);box-shadow:0 14px 34px rgba(0,0,0,.5)}
.muted{color:var(--mut)}
@media (max-width:1100px){.grid,.grid.g4{grid-template-columns:repeat(2,minmax(0,1fr))}.player{grid-template-columns:1fr}.plist{max-height:none}}
@media (max-width:760px){#app{padding:14px 14px 118px}.top{flex-wrap:wrap}.logo b{font-size:16px}.hero{flex-direction:column;align-items:flex-start;padding:22px}.hero h1{font-size:30px}.tile{display:none}.grid,.grid.g4,.grid.g2,.lessons{grid-template-columns:1fr}.pills{width:100%;justify-content:space-between;order:3}.pill{padding:9px 12px;font-size:13px}.user div{display:none}.user{padding:6px}.dock{left:8px;right:8px;transform:none;justify-content:space-between;gap:0;bottom:12px}.dock a{padding:11px 12px;flex:1;justify-content:center;flex-direction:column;gap:3px;font-size:11px;border-radius:22px}.th{width:64px;height:64px}.les{flex-wrap:wrap}.side{flex-direction:row;align-items:center;width:100%;justify-content:space-between}.ttl{font-size:23px}.er{flex-wrap:wrap}.er .t{flex-basis:calc(100% - 50px)}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
@media(max-width:640px){.mh{flex-wrap:wrap}.mh h3{flex:1 1 100%;order:2;font-size:17px}.mh .tg{order:1}.mh .cnt{order:1;margin-left:auto}.mh .ib{order:3;flex:1 1 100%;justify-content:flex-end;flex-direction:row}.mh .ch{order:1}}
.ib{display:inline-flex;flex-direction:row;gap:6px}.mh .ib{display:flex}