/* iPhone-like camera UI — mobile-first */
:root{
  --bg-dark:#0b0b0b;
  --panel:#0f1720;
  --accent:#ff3b30;
  --muted:#9aa4b2;
  --glass: rgba(255,255,255,0.06);
  --white: #fff;
  --card:#0b0f14;
}

*{box-sizing:border-box}
html,body{height:100%;margin:0;font-family:Inter, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;}
.shell{min-height:100vh;background:linear-gradient(0deg,#000 0%, #0b0b0b 40%, #0b1220 100%);display:flex;flex-direction:column;align-items:stretch;}

/* camera UI: edge-to-edge viewfinder */
.camera-ui{position:relative;flex:1;display:flex;align-items:stretch;justify-content:center;overflow:hidden}
/* video fills the container */
.camera-ui video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:contrast(1.02) saturate(1.02);}

/* grid overlay (3x3 rule of thirds) */
.grid-overlay{position:absolute;inset:0;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);pointer-events:none}
.grid-overlay > div{border-left:1px solid rgba(255,255,255,0.06);border-top:1px solid rgba(255,255,255,0.04);}

/* top bar */
.top-bar{position:absolute;top:env(safe-area-inset-top,12px);left:0;right:0;display:flex;align-items:center;justify-content:space-between;padding:12px 16px;z-index:30}
.top-bar .icon-btn{background:rgba(0,0,0,0.4);backdrop-filter:blur(6px);border-radius:10px;padding:8px 10px;color:var(--white);border:1px solid rgba(255,255,255,0.04);cursor:pointer}
.top-bar .top-center{color:var(--white);font-weight:600;letter-spacing:0.6px}
.top-actions{display:flex;gap:8px}

/* focus ring */
.focus-ring{position:absolute;width:80px;height:80px;border-radius:50%;border:2px solid rgba(255,255,255,0.9);transform:scale(0.5);opacity:0;transition:transform .28s ease, opacity .28s ease;z-index:40;pointer-events:none}

/* bottom bar with thumbnail, shutter, and controls */
.bottom-bar{position:absolute;bottom:env(safe-area-inset-bottom,12px);left:0;right:0;display:flex;align-items:center;justify-content:space-between;padding:12px 18px;z-index:40}
.left-controls, .right-controls{display:flex;align-items:center;gap:10px}
.thumb-btn{width:46px;height:46px;border-radius:8px;overflow:hidden;border:1px solid rgba(255,255,255,0.06);background:rgba(0,0,0,0.4);display:inline-flex;align-items:center;justify-content:center;padding:0}
.thumb-btn img{width:100%;height:100%;object-fit:cover;display:block}

/* shutter area */
.shutter-area{display:flex;flex-direction:column;align-items:center;gap:8px}
.mode-chooser{display:flex;gap:10px;margin-bottom:4px}
.mode{background:transparent;color:rgba(255,255,255,0.9);border:none;font-weight:700;letter-spacing:1px;padding:4px 8px;border-radius:20px;cursor:pointer;opacity:0.9}
.mode.active{background:rgba(255,255,255,0.08)}
.shutter-row{display:flex;align-items:center;gap:18px}
.icon-btn.small{width:44px;height:44px;border-radius:10px;padding:8px;background:rgba(0,0,0,0.35);border:1px solid rgba(255,255,255,0.04)}
.shutter{width:84px;height:84px;border-radius:50%;background:transparent;border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;position:relative}
.shutter::before{
  content:'';position:absolute;inset:0;border-radius:50%;background:linear-gradient(#fff,#fff);opacity:0.08;box-shadow:inset 0 2px 10px rgba(0,0,0,0.6);
}
.shutter .inner{
  width:58px;height:58px;border-radius:50%;background:var(--white);display:inline-block;transform:scale(0.98);box-shadow:0 8px 24px rgba(0,0,0,0.35)
}
.shutter:active .inner{transform:scale(0.92)}

/* controls panel that slides up (preview + gallery + options) */
.controls-panel{position:fixed;left:0;right:0;bottom:0;transform:translateY(100%);transition:transform .32s cubic-bezier(.2,.9,.3,1);background:linear-gradient(180deg,#07111a, #06131a);padding:12px;border-top-left-radius:12px;border-top-right-radius:12px;color:var(--white);z-index:60;max-height:75vh;overflow:auto}
.controls-panel.open{transform:translateY(0)}
.controls-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:8px}
.controls-row label{display:flex;flex-direction:column;font-size:12px;color:var(--muted)}
.controls-row input, .controls-row select, input#caption{padding:8px;border-radius:8px;border:1px solid rgba(255,255,255,0.06);background:rgba(255,255,255,0.02);color:var(--white)}

/* preview and gallery inside panel */
.preview-area{display:flex;gap:12px;align-items:flex-start}
.preview-left{flex:1}
.preview-canvas{width:100%;max-width:320px;border-radius:8px;background:#0a0a0a;border:1px solid rgba(255,255,255,0.04);display:block;margin-top:8px}
.preview-actions{display:flex;flex-direction:column;gap:8px;margin-left:8px}
.btn{background:var(--accent);color:#fff;padding:10px 14px;border-radius:10px;border:none;cursor:pointer;font-weight:700}
.btn.dark{background:#111}

/* gallery tiles */
.gallery-card{margin-top:12px;background:transparent;border-top:1px solid rgba(255,255,255,0.03);padding-top:10px}
.tile-container{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.tile{width:96px;background:#07121a;border-radius:8px;padding:8px;border:1px solid rgba(255,255,255,0.03);display:flex;flex-direction:column;gap:6px;align-items:center}
.tile img{width:100%;height:64px;object-fit:cover;border-radius:6px}

/* helper */
.icon-btn{color:var(--white);font-size:16px;border:none;padding:8px;display:inline-flex;align-items:center;justify-content:center}
.top-bar .icon-btn, .bottom-bar .icon-btn{opacity:0.95}

/* responsive for larger screens */
@media(min-width:760px){
  .camera-ui{height:80vh}
  .controls-panel{max-width:900px;left:50%;transform:translate(-50%,100%);border-radius:12px}
  .controls-panel.open{transform:translate(-50%,0)}
  .preview-canvas{max-width:380px}
}