/* WS KURZ — přesně podle standalone (Prihlaseni 4a): Archivo, žlutá #FFBA17, ink #111214 */
:root{
  --yellow:#FFBA17; --yellow-tint:#FFF1CF;
  --ink:#111214; --ink-70:rgba(17,18,20,.7); --ink-75:rgba(17,18,20,.75);
  --muted:#6b6b6b; --muted-2:#9a988f;
  --bg:#faf9f5; --panel:#ffffff; --surface:#f4f2ec; --surface-2:#eae7df;
  --line:#e5e2d9; --line-strong:#111214;
  --radius:12px; --radius-sm:6px;
  --font:"Overpass",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-display:"Overpass",system-ui,sans-serif; /* Wall St cedule = Highway Gothic */
}
*{box-sizing:border-box}
body{margin:0; background:var(--bg); color:var(--ink); font-family:var(--font); font-size:15px; line-height:1.6;
  -webkit-font-smoothing:antialiased}
[hidden]{display:none !important}
h1,h2,h3,h4{font-family:var(--font-display); font-weight:800; letter-spacing:-.01em; line-height:1.08; margin:0}
img{display:block; max-width:100%}

#progress-top{position:fixed; top:0; left:0; right:0; height:3px; background:var(--line); z-index:60}
#progress-top-bar{height:100%; width:0; background:var(--yellow); transition:width .35s ease}

/* ---------- sdílené: tlačítka + pole ---------- */
.btn{font-family:var(--font); font-size:15px; font-weight:800; padding:12px 22px; border-radius:var(--radius-sm);
  cursor:pointer; border:2px solid var(--ink); transition:filter .12s,background .12s; line-height:1}
.btn-primary{background:var(--ink); color:#fff}
.btn-primary:hover{filter:brightness(1.3)}
.btn-secondary{background:transparent; color:var(--ink)}
.btn-secondary:hover{background:var(--surface-2)}
.btn-block{width:100%; display:block; min-height:48px}
.btn:disabled{opacity:.4; cursor:not-allowed}
.field{display:flex; flex-direction:column; gap:5px}
.field label{font-size:12px; font-weight:600; color:var(--ink)}
.input{width:100%; height:46px; background:#fff; color:var(--ink); border:2px solid var(--ink);
  border-radius:var(--radius-sm); padding:0 14px; font:inherit; font-size:14px; line-height:normal}
.input::placeholder{color:var(--muted-2)}
.input:focus{outline:none}

/* ---------- LOGIN (bílá vlevo, #FFBA17 vpravo) ---------- */
#login-view{min-height:100vh}
.login-shell{width:100vw; min-height:100vh; display:flex}
.login-left{flex:1 1 auto; background:var(--panel); padding:clamp(28px,4vw,48px);
  display:flex; flex-direction:column; justify-content:space-between; gap:24px}
.login-brand{font-family:var(--font-display); font-weight:900; font-size:39px; color:var(--ink); letter-spacing:.01em}
.login-photo{margin:0; flex:1; min-height:0; border-radius:22px; overflow:hidden; position:relative;
  box-shadow:0 18px 40px -18px rgba(17,18,20,.35)}
.login-photo img{position:absolute; inset:0; width:100%; height:100%; object-fit:cover; object-position:82% 38%}
.login-caption{font-size:12px; color:var(--muted)}
.login-social{display:flex; gap:22px; align-items:center; flex-wrap:wrap}
.login-social a{display:inline-flex; align-items:center; gap:7px; line-height:1; color:var(--ink);
  text-decoration:none; font-size:14px; font-weight:600}
.login-social a:hover{opacity:.65}
.login-social .ig{display:block; width:18px; height:18px; flex:0 0 18px}

.login-right{flex:0 0 40%; max-width:40%; background:var(--yellow); display:flex; align-items:center;
  justify-content:center; padding:clamp(32px,5vw,56px)}
.login-form-box{width:380px; max-width:100%; display:flex; flex-direction:column; gap:20px}
.login-form-box h1{font-size:39px; font-weight:900; color:var(--ink); margin:0 0 8px}
.login-form-box > p{margin:0; font-size:14px; color:var(--ink-75)}
.login-form-box form{display:flex; flex-direction:column; gap:20px}
.login-note{margin:0; text-align:center; font-size:12px; color:var(--ink-70)}

/* ---------- APP LAYOUT ---------- */
.layout{display:flex; min-height:100vh}
.sidebar{width:312px; flex:0 0 312px; background:var(--panel); border-right:1px solid var(--line);
  position:sticky; top:0; height:100vh; overflow-y:auto; padding:22px 15px 26px; display:flex; flex-direction:column; gap:18px}
.brand{display:flex; align-items:center; gap:11px}
.brand-mark{width:38px; height:38px; flex:0 0 38px; border-radius:var(--radius-sm); background:var(--yellow);
  display:flex; align-items:center; justify-content:center; font-weight:800; font-size:14px; color:var(--ink)}
.brand-title{font-family:var(--font-display); font-weight:900; font-size:18px; letter-spacing:.01em}
.brand-sub{font-size:11px; margin-top:2px; text-transform:uppercase; letter-spacing:.08em; color:var(--muted)}

.progress-box{border:1px solid var(--line); border-radius:var(--radius-sm); padding:14px; background:var(--bg)}
.progress-label{display:flex; justify-content:space-between; font-size:10px; letter-spacing:.1em; text-transform:uppercase;
  color:var(--muted); margin-bottom:8px; font-weight:600}
.progress-label span:last-child{color:var(--ink)}
.progress-track{height:6px; background:var(--surface-2); border-radius:6px; overflow:hidden}
.progress-fill{height:100%; width:0; background:var(--yellow); border-radius:6px; transition:width .35s ease}
.progress-count{font-size:11px; color:var(--muted); margin-top:8px}

nav#nav{display:flex; flex-direction:column; gap:6px}
.mod{border:1px solid var(--line); border-radius:var(--radius-sm); background:var(--bg); overflow:hidden}
.mod-head{display:flex; align-items:center; gap:11px; padding:12px 13px; cursor:pointer; user-select:none}
.mod-head:hover{background:var(--surface)}
.mod-num{flex:0 0 26px; height:26px; border-radius:6px; font-size:12px; font-weight:800;
  display:flex; align-items:center; justify-content:center; background:var(--surface-2); color:var(--ink)}
.mod.done .mod-num,.mod.bonus .mod-num{background:var(--yellow); color:var(--ink)}
.mod-title{flex:1; font-size:13.5px; font-weight:700; line-height:1.3}
.mod-chev{font-size:10px; color:var(--muted-2); transition:transform .2s}
.mod.open .mod-chev{transform:rotate(90deg)}
.mod-lessons{display:none; padding:2px 8px 8px}
.mod.open .mod-lessons{display:block}
.lesson-link{display:flex; align-items:center; gap:9px; padding:8px 9px; border-radius:6px; cursor:pointer;
  font-size:13.5px; color:var(--ink-soft,#4a473e)}
.lesson-link:hover{background:var(--surface); color:var(--ink)}
.lesson-link.active{background:var(--yellow-tint); color:var(--ink); font-weight:700}
.tick{flex:0 0 16px; height:16px; border-radius:50%; border:1.5px solid var(--line-strong);
  display:flex; align-items:center; justify-content:center; font-size:9px; color:transparent}
.lesson-link.completed .tick{background:var(--yellow); border-color:var(--yellow); color:var(--ink)}
.sidebar-footer{margin-top:auto; display:flex; flex-direction:column; gap:8px}
.login-error{color:#7a1010; font-size:13px; font-weight:700; margin-top:14px; min-height:1em}

/* ---------- content ---------- */
.content{flex:1; padding:clamp(24px,5vw,64px) clamp(20px,5vw,56px) 90px; min-width:0}
.content-inner{max-width:760px; margin:0 auto}
.empty{color:var(--muted); max-width:760px; margin:60px auto; text-align:center}
.kicker{font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--ink); font-weight:800; margin-bottom:12px}
.kicker::after{content:""; display:inline-block; width:22px; height:3px; background:var(--yellow); margin-left:10px; vertical-align:middle}
.lesson-h{font-size:clamp(28px,3.4vw,42px); font-weight:900; margin-bottom:12px}
.lesson-meta{color:var(--muted); font-size:13px; margin-bottom:26px; display:flex; gap:16px; flex-wrap:wrap}
.video{position:relative; width:100%; aspect-ratio:16/9; background:var(--surface-2); border:1px solid var(--line);
  border-radius:var(--radius); overflow:hidden; margin-bottom:28px}
.video iframe,.video video{position:absolute; inset:0; width:100%; height:100%; border:0}
.video-placeholder{position:absolute; inset:0; display:flex; flex-direction:column; gap:10px; align-items:center;
  justify-content:center; font-size:11px; letter-spacing:.1em; text-transform:uppercase; color:var(--muted-2); font-weight:600}
.video-placeholder .play{width:56px; height:56px; border-radius:50%; border:2px solid var(--ink);
  display:flex; align-items:center; justify-content:center; font-size:18px; color:var(--ink)}
.prose{font-size:16px; line-height:1.8; color:#3a3934}
.prose h2{font-size:24px; margin:1.5em 0 .4em; color:var(--ink)}
.prose h3{font-size:19px; margin:1.3em 0 .35em; color:var(--ink)}
.prose p{margin:0 0 1em}
.prose ul{margin:0 0 1em; padding-left:1.3em}
.prose li{margin:.4em 0}
.prose strong{color:var(--ink); font-weight:700}
.prose a{color:var(--ink); text-decoration:underline; text-decoration-color:var(--yellow); text-underline-offset:3px}
.actions{display:flex; gap:12px; align-items:center; margin-top:36px; padding-top:26px; border-top:1px solid var(--line); flex-wrap:wrap}
.nav-arrows{margin-left:auto; display:flex; gap:8px}
.editor{display:flex; flex-direction:column; gap:14px; margin-bottom:26px}
.editor textarea.input{height:auto; min-height:220px; padding:12px 14px; resize:vertical; font-family:ui-monospace,Menlo,monospace; font-size:13px; line-height:1.6}
.hint{font-size:12px; color:var(--muted)}

/* ---------- MOBIL ---------- */
@media(max-width:768px){
  .login-shell{flex-direction:column; min-height:100vh}
  .login-left{padding:26px 22px 22px; gap:18px}
  .login-brand{font-size:28px}
  .login-photo{flex:0 0 auto; min-height:190px; height:32vh; border-radius:16px}
  .login-right{flex:1 1 auto; max-width:100%; padding:30px 24px 42px}
  .login-form-box{width:100%; max-width:420px}
  .login-form-box h1{font-size:34px}

  .layout{flex-direction:column}
  .sidebar{width:100%; flex-basis:auto; height:auto; position:static; border-right:0;
    border-bottom:1px solid var(--line); padding:16px 16px 18px}
  .content{padding:26px 20px 72px}
  .content-inner{max-width:100%}
  .lesson-h{font-size:27px}
  .actions{gap:10px}
  .nav-arrows{margin-left:0; width:100%}
  .nav-arrows .btn{flex:1}
  #btn-done{width:100%}
}
@media(max-width:420px){
  .login-brand{font-size:25px}
  .login-right{padding:26px 18px 36px}
  .login-form-box h1{font-size:30px}
  .login-social{gap:18px}
}