/* Sdílený vzhled portálu VISION (AIOX) – tmavé sklo, Manrope na text, Outfit na nadpisy a logo. */
@import url("https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Outfit:wght@500;600;700&display=swap");

:root {
  --bg: #0a0f1d;
  --bg-2: #10172b;
  --glass: rgba(18, 24, 42, .78);
  --glass-solid: #141a2d;
  --glass-2: rgba(255, 255, 255, .055);
  --glass-3: rgba(255, 255, 255, .1);
  --edge: rgba(255, 255, 255, .08);
  --edge-2: rgba(255, 255, 255, .16);
  --ink: #f3f5fb;
  --muted: #aab2c6;
  --accent: #3d7bff;
  --accent-light: #93b6ff;
  --accent-strong: #2152d9;
  --accent-ink: #ffffff;
  --warm: #c9935f;
  --danger: #f2846f;
  --ok: #5fd39a;
  --radius: 16px;
  --radius-s: 10px;
  --ctl: 44px;
  --blur: blur(14px) saturate(1.25);
  --shadow: 0 18px 40px -12px rgba(0, 0, 0, .55), 0 2px 6px rgba(0, 0, 0, .25);
  --ease: cubic-bezier(.2, .7, .2, 1);
  --font-ui: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-brand: "Outfit", "Manrope", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font-ui);
  color: var(--ink);
  background:
    radial-gradient(1200px 700px at 85% -10%, rgba(61, 123, 255, .18), transparent 60%),
    radial-gradient(900px 600px at -10% 110%, rgba(201, 147, 95, .14), transparent 60%),
    var(--bg);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

.glass {
  background: var(--glass);
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  -webkit-backdrop-filter: var(--blur);
  backdrop-filter: var(--blur);
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: var(--ctl); padding: 0 18px;
  font: 600 15px/1 var(--font-ui); color: var(--ink);
  background: var(--glass-2); border: 1px solid var(--edge-2); border-radius: 12px;
  cursor: pointer; text-decoration: none;
  transition: background .2s var(--ease), border-color .2s var(--ease), transform .1s;
}
.btn:hover { background: var(--glass-3); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--accent); border-color: transparent; color: var(--accent-ink); }
.btn.primary:hover { background: var(--accent-strong); }
.btn.danger { color: var(--danger); }
.btn.small { min-height: 34px; padding: 0 12px; font-size: 13px; border-radius: 9px; }
.btn[disabled] { opacity: .5; cursor: default; }

.field { display: grid; gap: 6px; }
.field label { font-size: 13px; font-weight: 600; color: var(--muted); }
.input {
  min-height: var(--ctl); padding: 0 14px; width: 100%;
  font: 500 16px var(--font-ui); color: var(--ink);
  background: rgba(0, 0, 0, .25); border: 1px solid var(--edge-2); border-radius: 12px;
  outline: none; transition: border-color .2s;
}
textarea.input { padding: 12px 14px; min-height: 84px; resize: vertical; }
.input:focus { border-color: var(--accent); }

.muted { color: var(--muted); }
h1, h2, h3 { font-family: var(--font-brand); font-weight: 600; }

/* Logo VISION / AIOX. Velikost = font-size (výška nápisu VISION). */
.vlogo { display: inline-flex; align-items: center; gap: .4em; font-family: var(--font-brand); line-height: 1; color: var(--ink); text-decoration: none; flex: none; }
.vlogo .vm { width: 1.05em; height: 1.24em; flex: none; display: block; }
.vlogo .wm { display: flex; flex-direction: column; }
.vlogo .wm b { font-weight: 600; font-size: 1em; letter-spacing: .06em; }
.vlogo .wm span { font-weight: 600; font-size: max(.24em, 7.5px); letter-spacing: .55em; margin: .62em 0 0 .15em; opacity: .6; }

/* Skleněné V (živé CSS, ostré v každé velikosti). Používat od ~40 px, menší = plochá .vm. */
.vglass { position: relative; flex: none; width: 1.6em; height: 1.6em; --w: .384em; --bl: 10px; }
.vglass i { position: absolute; bottom: 0; left: 50%; width: var(--w); height: 1.44em; border-radius: 999px; box-sizing: border-box;
  transform-origin: 50% calc(100% - var(--w) / 2);
  -webkit-backdrop-filter: blur(var(--bl)) saturate(190%) brightness(1.08); backdrop-filter: blur(var(--bl)) saturate(190%) brightness(1.08);
  border: calc(var(--w) * .06) solid rgba(255, 255, 255, .6);
  box-shadow: inset 0 calc(var(--w) * .08) calc(var(--w) * .05) rgba(255, 255, 255, .95), inset 0 calc(var(--w) * -.5) calc(var(--w) * .9) rgba(40, 90, 230, .4), inset calc(var(--w) * .3) 0 calc(var(--w) * .6) rgba(255, 255, 255, .3); }
.vglass i::after { content: ""; position: absolute; left: 22%; top: 7%; width: 22%; height: 42%; border-radius: 999px; background: linear-gradient(180deg, rgba(255, 255, 255, .95), rgba(255, 255, 255, 0)); }
.vglass i:first-child { background: linear-gradient(170deg, rgba(150, 190, 255, .75), rgba(90, 145, 255, .7) 45%, rgba(61, 123, 255, .95)); transform: translateX(-50%) rotate(-21deg); }
.vglass i:last-child { background: linear-gradient(190deg, rgba(225, 236, 255, .85), rgba(170, 200, 255, .6) 50%, rgba(130, 172, 255, .8)); transform: translateX(-50%) rotate(21deg); }

.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%) translateY(20px);
  padding: 12px 18px; border-radius: 12px; background: var(--glass-solid); border: 1px solid var(--edge-2);
  box-shadow: var(--shadow); font-weight: 600; opacity: 0; pointer-events: none;
  transition: opacity .25s var(--ease), transform .25s var(--ease); z-index: 1000;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.err { color: var(--danger); }