:root{
  /* ZÁKLAD POZADÍ – modro-navy místo šedé */
  --bg:#111827;        /* hlavní pozadí stránky */
  --panel:#182033;     /* karty / sekce */
  --panel2:#141b2e;    /* hlubší pozadí */

  /* TEXT */
  --text:#ffffff;
  --muted:#c1cbe0;     /* méně šedá, víc do modra */

  /* LINKY A OKRAJE */
  --line:#2c3a55;      /* modro-šedé, ne betonové */

  /* AKCENTY */
  --royal:#2a5bff;     /* královská modrá */
  --royal2:#4a78ff;

  /* STÍNY A TVARY */
  --shadow: 0 12px 30px rgba(0,0,0,.32);
  --radius:16px;
}


*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:
  radial-gradient(1200px 800px at 20% 0%, rgba(42,91,255,.22), transparent 60%),
  radial-gradient(1000px 700px at 90% 10%, rgba(42,91,255,.14), transparent 62%),
  radial-gradient(800px 600px at 50% 120%, rgba(42,91,255,.08), transparent 55%),
  var(--bg);

  color:var(--text);
}

a{color:inherit; text-decoration:none}
.container{max-width:1100px; margin:0 auto; padding:0 18px}

.topbar{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter: blur(12px);

  /* světlejší modro-navy */
  background: rgba(17,24,39,.75);
  border-bottom:1px solid rgba(44,58,85,.75);
}


.nav{
  display:flex; align-items:center; justify-content:space-between;
  gap:14px; padding:14px 0;
}

.brand{
  display:flex; align-items:center; gap:10px; font-weight:700;
  letter-spacing:.2px;
}
.badge{
  width:34px; height:34px; border-radius:12px;
  background: linear-gradient(135deg, var(--royal), #1c2bff);
  box-shadow: 0 10px 22px rgba(42,91,255,.25);
  display:grid; place-items:center;
  font-weight:800;
}

.menu{display:flex; align-items:center; gap:6px}
.menu a{
  padding:10px 12px; border-radius:12px;
  color:var(--muted);
}
.menu a:hover{background:rgba(255,255,255,.04); color:var(--text)}
.menu a.active{
  background:rgba(42,91,255,.14);
  color:var(--text);
  border:1px solid rgba(42,91,255,.35);
}

.hero{padding:42px 0 18px}
.hero-grid{
  display:grid; grid-template-columns: 1.15fr .85fr; gap:18px;
}
@media (max-width: 900px){
  .hero-grid{grid-template-columns:1fr}
}

.card{
  background: linear-gradient(
    180deg,
    rgba(24,32,51,.94),
    rgba(20,27,46,.94)
  );
  border:1px solid rgba(44,58,85,.9);
}


.hero-card{padding:26px}
.kicker{
  display:inline-flex; align-items:center; gap:8px;
  color:var(--muted);
  border:1px solid rgba(36,43,55,.9);
  background:rgba(255,255,255,.03);
  padding:8px 10px; border-radius:999px;
  font-size:13px;
}
.dot{
  width:8px; height:8px; border-radius:999px;
  background: var(--royal);
  box-shadow: 0 0 0 4px rgba(42,91,255,.18);
}

h1{margin:14px 0 10px; font-size:34px; line-height:1.1}
p{margin:0; color:var(--muted); line-height:1.6}
.actions{display:flex; gap:10px; flex-wrap:wrap; margin-top:18px}

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding:11px 14px;
  border-radius:14px;
  border:1px solid rgba(36,43,55,.9);
  background:rgba(255,255,255,.03);
  color:var(--text);
  cursor:pointer;
}
.btn:hover{background:rgba(255,255,255,.06)}
.btn.primary{
  background: linear-gradient(135deg, var(--royal), #1f3cff);
  border-color: rgba(42,91,255,.55);
  box-shadow: 0 12px 24px rgba(42,91,255,.20);
}
.btn.primary:hover{filter:brightness(1.05)}

.stats{padding:18px; display:grid; gap:10px}
.stat{
  display:flex; align-items:flex-start; justify-content:space-between;
  padding:12px; border-radius:14px;
  background:rgba(255,255,255,.03);
  border:1px solid rgba(36,43,55,.9);
}
.stat b{font-size:20px}
.small{font-size:13px; color:var(--muted)}

.section{padding:18px 0 46px}
.section-title{display:flex; align-items:end; justify-content:space-between; gap:14px; margin:0 0 12px}
.section-title h2{margin:0; font-size:20px}
.section-title span{color:var(--muted); font-size:13px}

.grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
}
@media (max-width: 980px){ .grid{grid-template-columns: repeat(2, 1fr);} }
@media (max-width: 640px){ .grid{grid-template-columns: 1fr;} }

.video-card{padding:14px; display:flex; flex-direction:column; gap:10px}
.thumb{
  aspect-ratio: 16/9;
  border-radius:14px;
  border:1px solid rgba(36,43,55,.9);
  background:
    radial-gradient(400px 200px at 15% 10%, rgba(42,91,255,.22), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  position:relative;
  overflow:hidden;
}
.play{
  position:absolute; inset:0;
  display:grid; place-items:center;
}
.play span{
  width:52px; height:52px; border-radius:18px;
  background: rgba(42,91,255,.18);
  border:1px solid rgba(42,91,255,.45);
  display:grid; place-items:center;
  box-shadow: 0 16px 30px rgba(42,91,255,.18);
}
.meta{display:flex; gap:8px; flex-wrap:wrap}
.pill{
  font-size:12px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid rgba(36,43,55,.9);
  background:rgba(255,255,255,.03);
  color:var(--muted);
}
.pill.blue{
  border-color: rgba(42,91,255,.45);
  color:#dfe7ff;
  background:rgba(42,91,255,.12);
}

.card h3{margin:0; font-size:16px}
.card .desc{font-size:13px; margin-top:-2px}

.filters{
  display:flex; gap:10px; flex-wrap:wrap;
  padding:14px;
}
.input, select{
  background:rgba(255,255,255,.03);
  border:1px solid rgba(36,43,55,.9);
  color:var(--text);
  padding:10px 12px;
  border-radius:12px;
  outline:none;
}
.input::placeholder{color:#7f8aa1}
select{cursor:pointer}

.footer{
  border-top:1px solid rgba(36,43,55,.85);
  padding:18px 0; color:var(--muted); font-size:13px;
}
.footer a{color:#dfe7ff}

.btn.red{
  background: linear-gradient(135deg, #e53935, #c62828);
  border-color: rgba(229,57,53,.6);
  color:#ffffff;
  box-shadow: 0 12px 24px rgba(229,57,53,.25);
}

.btn.red:hover{
  filter: brightness(1.08);
}
.logout-btn {
  margin-left: 16px;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid #ddd;
  background: #f7f7f7;
  cursor: pointer;
}

.logout-btn:hover {
  background: #eee;
}

/* Odhlásit = stejný základ jako menu odkazy */
.menu .logout-btn {
  background: transparent;
  border: 0;
  color: inherit;
  font: inherit;

  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: background .2s ease, color .2s ease;
}

/* Hover stejně jako ostatní položky */
.menu .logout-btn:hover {
  background: rgba(255,255,255,0.12);
}

/* Jemné zvýraznění, že jde o odhlášení */
.menu .logout-btn {
  opacity: 0.9;
}

.menu .logout-btn:hover {
  opacity: 1;
}

/* ===== LOGIN PAGE ONLY ===== */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;

  /* ČISTÉ POZADÍ – bez pruhů */
  background: radial-gradient(
    1200px 600px at 50% 20%,
    #1b2b52,
    #0a1225 70%
  );
}

/* zruší layoutové obaly, pokud se tam dostaly */
.login-page .section,
.login-page .container {
  background: none;
  padding: 0;
  margin: 0;
}

/* LOGIN KARTA */
.login-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);

  padding: 22px;
  border-radius: 14px;
  width: 100%;
  max-width: 420px;
  color: #fff;
}

/* INPUTY */
.login-card input {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
}

.login-card input::placeholder {
  color: rgba(255,255,255,0.6);
}

/* TLAČÍTKO */
.login-card button {
  background: #ffffff;
  color: #0a1225;
  font-weight: 600;
}

.login-card button:hover {
  background: #f0f0f0;
}