:root{
  --bg:#0b0b0c; --panel:#131317; --text:#f3f3f5; --muted:#9aa0a6;
  --acc:#7dd3fc; --acc2:#c084fc; --radius:16px;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Noto Sans JP","Segoe UI",Roboto,Arial,sans-serif;}
button{-webkit-tap-highlight-color:transparent;}

.topbar{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-bottom:1px solid #222;
  position:sticky;top:0;background:rgba(11,11,12,.85);backdrop-filter:blur(6px);z-index:10;}
.brand{font-weight:700;}
.nav .tab-btn{background:transparent;color:var(--text);border:1px solid #333;padding:6px 10px;margin-left:6px;border-radius:10px;}
.nav .tab-btn:active{transform:scale(.98);}

main{max-width:640px;margin:0 auto;padding:10px;}
.panel{background:var(--panel);border:1px solid #222;border-radius:var(--radius);padding:12px;margin:10px 0;
  box-shadow:0 10px 30px rgba(0,0,0,.25);}

/* ビューワ：さらに大きく（デフォ56svh、JSで65?85%に最適化） */
.player .player-controls{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;font-size:14px;}
/* ビューワ枠：横=端末幅の90%、縦=その1.8倍（= 5:9 の比率） */
.player .stage{
  width: 90vw;
  aspect-ratio: 5 / 9; /* height = 1.8 * width */
  background:#000;
  border-radius: var(--radius);
  overflow:hidden;
  display:flex; align-items:center; justify-content:center;
  margin: 0 auto; /* 中央寄せ */
}
.player .stage img,
.player .stage video{
  width:100%;
  height:100%;
  object-fit:contain;
}


/* アップロード：中央ぞろえ */
.upload{ text-align:center; }
.upload h2{margin:4px 0 6px;font-size:16px;}
.uploader{display:flex;gap:10px;align-items:center;justify-content:center;}
.primary{background:linear-gradient(45deg,var(--acc),var(--acc2));border:none;padding:10px 16px;border-radius:9999px;color:#0b0b0c;font-weight:700;}

/* グリッド2列 */
.grid{display:grid;gap:8px;}
.grid-2{grid-template-columns:1fr 1fr;}
.card{position:relative;overflow:hidden;border-radius:12px;background:#000;border:1px solid #222;}
.card img{width:100%;height:34vw;max-height:180px;object-fit:cover;display:block;background:#0b0b0c;}
.card .meta{padding:6px;font-size:11px;color:var(--muted);display:flex;justify-content:space-between;align-items:center;}
.badge{font-size:10px;padding:2px 6px;border-radius:9999px;background:#1f2937;color:#d1d5db;}
.btn-del{background:#231a1a;border:1px solid #3b1f1f;color:#fca5a5;padding:3px 6px;border-radius:8px;}

.tab{display:none;} .tab.active{display:block;}
.foot{text-align:center;padding:18px;color:var(--muted);}

/* 共通モーダル（“謎の×”対策で完全非表示） */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.85);display:flex;align-items:center;justify-content:center;z-index:1000;}
.modal.hidden{display:none !important;}
.modal.hidden *{display:none !important;}

/* ビューアモーダル */
.modal-inner{width:100vw;height:100vh;display:flex;align-items:center;justify-content:center;position:relative;}
.modal-stage{width:100vw;height:100vh;display:flex;align-items:center;justify-content:center;}
.modal-stage img,.modal-stage video{width:100vw;height:100vh;object-fit:contain;}
.modal-close{position:absolute;top:14px;right:14px;background:rgba(0,0,0,.4);border:1px solid #555;border-radius:50%;
  width:40px;height:40px;color:#fff;display:grid;place-items:center;}

/* アップロード中モーダル */
.uploading-inner{display:flex;flex-direction:column;gap:12px;align-items:center;justify-content:center;background:#0f1216;
  border:1px solid #222;border-radius:12px;padding:16px;min-width:70vw;}
.spinner{width:28px;height:28px;border:3px solid #334155;border-top-color:#7dd3fc;border-radius:50%;animation:spin 1s linear infinite;}
@keyframes spin{to{transform:rotate(360deg)}}
.uploading-text .title{font-size:14px;margin-bottom:6px;}
.bar{width:100%;height:8px;background:#1e293b;border-radius:9999px;overflow:hidden;}
.bar-fill{height:100%;width:0%;background:#38bdf8;transition:width .15s linear;}