/* ============================================================
   MEDOINO — Akadémia (LMS)  — dopĺňa styles.css
   ============================================================ */

/* ---------- Login hero (board) ---------- */
.auth {
  position: relative; overflow: hidden;
  background: radial-gradient(120% 100% at 80% 0%, #332b28 0%, var(--board) 55%);
  color: #faf5f0;
}
.auth .substrate { opacity: 0.35; }
.auth-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(32px, 5vw, 64px); align-items: center; padding: clamp(52px, 8vw, 92px) 0; }
.auth h1 { font-size: clamp(2.2rem, 4.6vw, 3.4rem); color: #fff; letter-spacing: -0.03em; margin: 18px 0 16px; }
.auth h1 .hl { color: var(--signal); }
.auth .lead { color: rgba(255,255,255,0.8); font-size: 1.12rem; max-width: 460px; margin: 0 0 26px; }
.auth-features { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
.auth-features li { display: flex; align-items: center; gap: 11px; font-size: 0.98rem; color: rgba(255,255,255,0.9); }
.auth-features li .tick { width: 26px; height: 26px; border-radius: 8px; background: rgba(240,108,142,0.14); border: 1px solid var(--board-line); color: #f6b8ca; display: grid; place-items: center; flex-shrink: 0; font-size: 13px; }

/* Terminál — prihlásenie kódom */
.terminal { background: rgba(20,18,17,0.6); border: 1px solid var(--board-line); border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow-lg); backdrop-filter: blur(6px); }
.terminal .bar { display: flex; align-items: center; gap: 7px; padding: 13px 16px; border-bottom: 1px solid var(--board-line); }
.terminal .bar i { width: 11px; height: 11px; border-radius: 50%; background: #3a3330; }
.terminal .bar i:first-child { background: var(--signal); }
.terminal .bar .t { margin-left: 8px; font-family: var(--font-mono); font-size: 12px; color: #a89a92; }
.terminal .body { padding: 26px; }
.terminal h3 { color: #fff; font-size: 1.3rem; margin: 0 0 4px; }
.terminal .sub { color: rgba(255,255,255,0.66); font-size: 0.9rem; margin: 0 0 18px; }
.terminal .sub a { color: var(--signal); }
.code-field { display: flex; align-items: center; background: #171412; border: 1.5px solid var(--board-line); border-radius: 12px; padding: 4px 4px 4px 14px; transition: border-color 0.18s, box-shadow 0.18s; }
.code-field:focus-within { border-color: var(--teal); box-shadow: 0 0 0 4px rgba(240,108,142,0.22); }
.code-field .prompt { font-family: var(--font-mono); color: var(--teal); font-size: 15px; margin-right: 8px; }
.code-field input { flex: 1; background: none; border: none; outline: none; color: #fff; font-family: var(--font-mono); font-size: 16px; letter-spacing: 2px; text-transform: uppercase; padding: 12px 0; }
.code-field input::placeholder { color: #6b625b; letter-spacing: 1px; }
.terminal .btn { margin-top: 16px; }
.demo-hint { margin-top: 14px; font-family: var(--font-mono); font-size: 12px; color: #a89a92; text-align: center; }
.demo-hint b { color: var(--signal); cursor: pointer; }
#loginMsg .err { margin-top: 14px; margin-bottom: 0; }

/* ---------- Curriculum preview (na paper) ---------- */
.curriculum { display: grid; gap: 16px; }
.cmod { border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; background: var(--card); }
.cmod-head { display: flex; align-items: center; justify-content: space-between; padding: 18px 22px; border-bottom: 1px solid var(--line-soft); }
.cmod-head .mh-l { display: flex; align-items: baseline; gap: 12px; }
.cmod-head .mnum { font-family: var(--font-mono); font-size: 12px; color: var(--teal-deep); }
.cmod-head h3 { font-size: 1.2rem; }
.cmod-head .msub { color: var(--muted); font-size: 0.88rem; }
.tag { font-family: var(--font-mono); font-size: 11px; font-weight: 500; letter-spacing: 0.06em; padding: 6px 11px; border-radius: 999px; white-space: nowrap; }
.tag.open { background: var(--teal-tint); color: var(--teal-deep); }
.tag.locked { background: var(--paper); color: var(--muted); border: 1px solid var(--line); }
.clessons { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line-soft); }
.crow { background: var(--card); padding: 14px 16px; display: flex; flex-direction: column; gap: 6px; }
.crow .ct { font-size: 0.86rem; font-weight: 500; line-height: 1.35; }
.crow .cd { font-family: var(--font-mono); font-size: 11px; color: var(--muted); display: flex; align-items: center; gap: 6px; }

/* ---------- Dashboard (po prihlásení) ---------- */
.dash-top { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg); padding: clamp(20px, 3vw, 30px); margin-bottom: 30px; }
.dash-hi { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--teal-deep); }
.dash-top h1 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin: 8px 0 10px; }
.dash-meta { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.pill { font-family: var(--font-mono); font-size: 12px; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line); }
.pill.tier { background: var(--signal-tint); color: var(--signal-deep); border-color: transparent; }
.pill.code { color: var(--muted); }
.pill.logout { cursor: pointer; background: none; }
.pill.logout:hover { border-color: var(--teal); color: var(--teal-deep); }

/* Progress ring */
.ring-wrap { display: flex; align-items: center; gap: 16px; }
.ring { position: relative; width: 92px; height: 92px; }
.ring svg { transform: rotate(-90deg); }
.ring .track { stroke: var(--line); }
.ring .bar { stroke: var(--teal); stroke-linecap: round; transition: stroke-dashoffset 0.8s var(--ease); }
.ring .label { position: absolute; inset: 0; display: grid; place-items: center; text-align: center; }
.ring .label b { font-family: var(--font-display); font-size: 1.3rem; }
.ring .label small { font-family: var(--font-mono); font-size: 10px; color: var(--muted); display: block; }
.ring-txt { font-size: 0.9rem; color: var(--muted); max-width: 140px; }

/* Continue watching */
.continue { display: grid; grid-template-columns: 220px 1fr; gap: 22px; align-items: center; background: linear-gradient(150deg, var(--board-2), var(--board)); color: #faf5f0; border-radius: var(--r-lg); overflow: hidden; margin-bottom: 34px; }
.continue .poster { position: relative; height: 100%; min-height: 150px; cursor: pointer; }
.continue .poster img { width: 100%; height: 100%; object-fit: cover; }
.continue .poster .play { position: absolute; inset: 0; display: grid; place-items: center; }
.continue .poster .play span { width: 54px; height: 54px; border-radius: 50%; background: var(--signal); color: var(--ink); display: grid; place-items: center; font-size: 20px; box-shadow: 0 8px 20px rgba(0,0,0,0.3); }
.continue .c-body { padding: 24px 26px 24px 0; }
.continue .c-kicker { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--signal); }
.continue h3 { color: #fff; font-size: 1.4rem; margin: 8px 0 8px; }
.continue p { color: rgba(255,255,255,0.75); margin: 0 0 16px; font-size: 0.94rem; }

/* Module blocks + lesson cards */
.mblock { margin-bottom: 34px; }
.mblock.locked { opacity: 0.86; }
.mblock-head { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.mblock-head .mnum { font-family: var(--font-mono); font-size: 13px; color: var(--teal-deep); }
.mblock-head h2 { font-size: 1.5rem; }
.mblock-head .msub { color: var(--muted); font-size: 0.9rem; }
.mblock-head .tag { margin-left: auto; }
.lesson-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.lcard { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; cursor: pointer; transition: transform 0.2s var(--ease), box-shadow 0.2s, border-color 0.2s; display: flex; flex-direction: column; }
.lcard:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--teal-tint); }
.lcard.locked { cursor: not-allowed; }
.lcard.locked:hover { transform: none; box-shadow: none; border-color: var(--line); }
.lcard .poster { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--board); }
.lcard .poster img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s var(--ease); }
.lcard:hover .poster img { transform: scale(1.06); }
.lcard.locked .poster img { filter: grayscale(0.8) brightness(0.6); }
.lcard .poster .ov { position: absolute; inset: 0; display: grid; place-items: center; }
.lcard .poster .ov .play { width: 44px; height: 44px; border-radius: 50%; background: rgba(255,255,255,0.92); color: var(--ink); display: grid; place-items: center; font-size: 15px; opacity: 0; transform: scale(0.85); transition: 0.22s var(--ease); }
.lcard:hover .poster .ov .play { opacity: 1; transform: none; }
.lcard .poster .dur { position: absolute; bottom: 8px; right: 8px; font-family: var(--font-mono); font-size: 11px; background: rgba(20,18,17,0.78); color: #e9dcd6; padding: 3px 8px; border-radius: 6px; }
.lcard .poster .lock { position: absolute; inset: 0; display: grid; place-items: center; font-size: 22px; color: rgba(255,255,255,0.85); }
.lcard .poster .free { position: absolute; top: 8px; left: 8px; font-family: var(--font-mono); font-size: 10px; font-weight: 600; background: var(--signal); color: var(--ink); padding: 3px 7px; border-radius: 6px; }
.lcard .poster .done { position: absolute; top: 8px; left: 8px; width: 24px; height: 24px; border-radius: 50%; background: var(--teal); color: #fff; display: grid; place-items: center; font-size: 13px; box-shadow: 0 2px 6px rgba(0,0,0,0.25); }
.lcard .l-body { padding: 13px 15px; flex: 1; display: flex; flex-direction: column; gap: 4px; }
.lcard .l-body h4 { font-family: var(--font-display); font-size: 0.95rem; font-weight: 600; letter-spacing: -0.01em; line-height: 1.25; }
.lcard .l-body p { margin: 0; font-size: 0.8rem; color: var(--muted); line-height: 1.4; }
.locked-note { background: var(--paper-2); border: 1px dashed var(--line); border-radius: var(--r); padding: 22px; text-align: center; color: var(--muted); font-size: 0.94rem; }
.locked-note a { color: var(--teal-deep); font-weight: 600; }

/* ---------- Video modal (centrovaný) ---------- */
.vmodal-overlay { position: fixed; inset: 0; background: rgba(4,12,9,0.7); backdrop-filter: blur(4px); opacity: 0; pointer-events: none; transition: opacity 0.25s; z-index: 120; display: grid; place-items: center; padding: 20px; }
.vmodal-overlay.open { opacity: 1; pointer-events: auto; }
.vmodal { width: min(760px, 100%); background: var(--paper-2); border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow-lg); transform: translateY(16px) scale(0.98); transition: transform 0.28s var(--ease); }
.vmodal-overlay.open .vmodal { transform: none; }
.vplayer { position: relative; aspect-ratio: 16 / 9; background: var(--board); display: grid; place-items: center; overflow: hidden; }
.vplayer img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.5; }
.vplayer .center { position: relative; text-align: center; color: #faf5f0; }
.vplayer .big-play { width: 74px; height: 74px; border-radius: 50%; background: var(--signal); color: var(--ink); display: grid; place-items: center; font-size: 28px; margin: 0 auto 12px; box-shadow: 0 10px 30px rgba(0,0,0,0.4); }
.vplayer .center .meta { font-family: var(--font-mono); font-size: 12px; opacity: 0.8; }
.vmodal .v-body { padding: 22px 26px 26px; }
.vmodal .v-body .row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.vmodal .v-body h3 { font-size: 1.35rem; }
.vmodal .v-body .close-x { color: var(--muted); }
.vmodal .v-body p { color: var(--muted); margin: 10px 0 18px; }

@media (max-width: 940px) {
  .auth-grid { grid-template-columns: 1fr; }
  .clessons, .lesson-grid { grid-template-columns: repeat(2, 1fr); }
  .dash-top { grid-template-columns: 1fr; }
  .continue { grid-template-columns: 1fr; }
  .continue .poster { min-height: 180px; }
  .continue .c-body { padding: 0 24px 24px; }
}
@media (max-width: 560px) {
  .clessons, .lesson-grid { grid-template-columns: 1fr; }
}