:root{
  --bg: #0b0f14;
  --card: rgba(255,255,255,0.06);
  --card2: rgba(255,255,255,0.08);
  --line: rgba(255,255,255,0.12);
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.66);
  --muted2: rgba(255,255,255,0.5);
  --shadow: 0 20px 60px rgba(0,0,0,0.45);
  --radius: 18px;
}

*{ box-sizing: border-box; }
html,body{ height: 100%; }
body{
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 700px at 20% 10%, rgba(120,90,255,0.18), transparent 60%),
              radial-gradient(900px 600px at 80% 30%, rgba(0,200,255,0.12), transparent 55%),
              var(--bg);
  color: var(--text);
}

.page{
  max-width: 1200px;
  padding: 18px;
  margin: 0 auto;
}

.topbar{
  display:flex;
  gap: 14px;
  align-items:center;
  justify-content: space-between;
  padding: 14px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.06), rgba(255,255,255,0.03));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.brand{
  display:flex;
  gap: 12px;
  align-items:center;
  min-width: 220px;
}
.dot{
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.9);
  box-shadow: 0 0 30px rgba(255,255,255,0.25);
}
.title{
  font-weight: 800;
  letter-spacing: 0.2px;
}
.subtitle{
  font-size: 13px;
  color: var(--muted);
  margin-top: 2px;
}

.controls{
  display:flex;
  gap: 10px;
  align-items:center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.levelbox{
  display:flex;
  gap: 8px;
  align-items:center;
  padding: 8px 10px;
  border-radius: 12px;
  background: var(--card);
  border: 1px solid var(--line);
}
.label{
  font-size: 12px;
  color: var(--muted);
}
select{
  background: rgba(0,0,0,0.25);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 10px;
  outline: none;
}

.btn{
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  cursor:pointer;
  transition: transform 0.06s ease, background 0.2s ease;
}
.btn:hover{ background: var(--card2); }
.btn:active{ transform: translateY(1px); }
.btn.primary{
  background: rgba(255,255,255,0.16);
  border-color: rgba(255,255,255,0.22);
}

.main{
  margin-top: 16px;
  display:grid;
  gap: 16px;
  grid-template-columns: 1.6fr 0.9fr;
}
@media (max-width: 900px){
  .main{ grid-template-columns: 1fr; }
}

.card{
  background: linear-gradient(to bottom, rgba(255,255,255,0.06), rgba(255,255,255,0.03));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  padding: 14px;
}

.cardhead{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 12px;
}
.cardtitle{
  font-weight: 800;
  letter-spacing: 0.2px;
}
.meta{
  display:flex;
  gap: 8px;
  align-items:center;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.pill{
  font-size: 12px;
  color: var(--muted);
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(0,0,0,0.25);
  border: 1px solid var(--line);
}

.boardWrap{
  margin-top: 12px;
  display:flex;
  justify-content:center;
  align-items:center;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.2);
}

.board{
  display:grid;
  gap: 8px;
  width: min(560px, 92vw);
  user-select: none;
}

.tile{
  position: relative;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.16);
  overflow:hidden;
  cursor:pointer;
  aspect-ratio: 1 / 1;
  background-repeat: no-repeat;
  background-size: cover;
  transition: transform 0.06s ease, filter 0.18s ease;
}
.tile:active{ transform: translateY(1px); }

/* ORIGINAL OVERLAY */
.tile::after{
  content:"";
  position:absolute;
  inset:0;
  background: linear-gradient(to bottom, rgba(255,255,255,0.14), rgba(0,0,0,0.18));
  opacity: 0.35;
  pointer-events:none;
}

/* ---------- NEW: STRONGER STATE TINTS (ADDED ONLY) ---------- */

/* OFF tiles (default) */
.tile:not(.on){
  filter: brightness(0.85) contrast(0.95);
}
.tile:not(.on)::after{
  background:
    linear-gradient(to bottom, rgba(255,255,255,0.14), rgba(0,0,0,0.18)),
    rgba(0,0,0,0.35);
}

/* ON tiles */
.tile.on{
  filter: brightness(1.12) contrast(1.05);
  box-shadow: 0 0 24px rgba(255,255,255,0.18);
}
.tile.on::after{
  background:
    linear-gradient(to bottom, rgba(255,255,255,0.18), rgba(0,0,0,0.08)),
    rgba(255,255,255,0.12);
}

/* ------------------------------------------------------------- */

.hintrow{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px;
}
.hint{
  font-size: 13px;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.22);
}

.progress{
  margin-top: 10px;
  display:grid;
  gap: 10px;
}
.progressRow{
  display:flex;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.22);
}
.k{ color: var(--muted); font-size: 12px; }
.v{ font-weight: 700; }

.divider{
  height: 1px;
  background: var(--line);
  margin: 14px 0;
}

.small{ font-size: 13px; line-height: 1.4; }
.muted{ color: var(--muted2); }
.tag{
  display:inline-block;
  margin: 0 2px;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.22);
  font-size: 12px;
}

.overlay, .modal{
  position: fixed;
  inset: 0;
  display:none;
  align-items:center;
  justify-content:center;
  padding: 18px;
  z-index: 50;
}

.overlay::before{
  content:"";
  position:absolute;
  inset:0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(6px);
}

.overlayCard{
  position: relative;
  width: min(720px, 92vw);
  border-radius: 18px;
  border: 1px solid var(--line);
  background: linear-gradient(to bottom, rgba(255,255,255,0.09), rgba(255,255,255,0.04));
  box-shadow: var(--shadow);
  padding: 14px;
}

.overlayTop{
  display:flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
}
.overlayTitle{ font-weight: 900; font-size: 18px; }
.overlaySub{ font-size: 13px; color: var(--muted); margin-top: 3px; }

.iconBtn{
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.25);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 12px;
  cursor:pointer;
}

/* ---------- MODIFIED: SUPPORT 3 THUMBNAILS ---------- */

.thumbRow{
  margin-top: 14px;
  display:grid;
  grid-template-columns: 1fr 1fr 1fr; /* was 2 */
  gap: 12px;
}
@media (max-width: 640px){
  .thumbRow{ grid-template-columns: 1fr; }
}

.thumb{
  text-align:left;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.22);
  border-radius: 16px;
  padding: 10px;
  cursor:pointer;
  transition: background 0.2s ease;
}
.thumb:hover{ background: rgba(255,255,255,0.07); }

/* NEW bonus highlight */
.thumb.bonus{
  border-color: rgba(255,255,255,0.25);
  box-shadow: 0 0 18px rgba(255,255,255,0.12);
}

.thumb img{
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.12);
  display:block;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.thumbLabel{
  margin-top: 8px;
  font-size: 13px;
  color: var(--muted);
}

.overlayActions{
  margin-top: 14px;
  display:flex;
  gap: 10px;
  justify-content:flex-end;
  flex-wrap: wrap;
}

.modal{
  z-index: 60;
}
.modalBack{
  position:absolute;
  inset:0;
  background: rgba(0,0,0,0.72);
  backdrop-filter: blur(6px);
}
.modalCard{
  position: relative;
  width: min(980px, 94vw);
  max-height: 92vh;
  overflow:auto;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: linear-gradient(to bottom, rgba(255,255,255,0.10), rgba(255,255,255,0.05));
  box-shadow: var(--shadow);
  padding: 12px;
}
.modalTop{
  display:flex;
  justify-content: space-between;
  align-items:center;
  gap: 10px;
  margin-bottom: 10px;
}
.modalTitle{ font-weight: 900; }
.modalImg{
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.12);
  display:block;
}
.modalNote{
  margin-top: 10px;
  font-size: 12px;
}

/* =========================
   MEDIA BOX POLISH
========================= */

.media-box {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 10px;
}

/* Video wrapper spacing */
.video-wrapper {
  margin-bottom: 12px;
}

.video-wrapper iframe,
.video-wrapper #youtubePlayer {
  width: 100%;
  height: 240px;
  border-radius: 14px;
  overflow: hidden;
}

/* =========================
   VIDEO CONTROLS
========================= */

.video-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 6px;
}

/* Prettier mute button */
.video-controls button {
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(6px);
  color: #fff;
  cursor: pointer;
  transition: all 0.2s ease;
}

.video-controls button:hover {
  background: rgba(255,255,255,0.15);
  transform: translateY(-1px);
}

/* Volume slider styling */
.video-controls input[type="range"] {
  width: 120px;
  accent-color: #8f6fff; /* soft accent glow */
  cursor: pointer;
}

/* =========================
   SOCIAL ICONS
========================= */

.social-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 18px;
  font-size: 22px; /* bigger icons */
}

.social-links a {
  color: #ccc;
  transition: all 0.25s ease;
}

.social-links a:hover {
  color: #ffffff;
  transform: scale(1.25);
  text-shadow: 0 0 8px rgba(255,255,255,0.6);
}