:root{
  --bg:#ffffff;--fg:#0b0b0b;--muted:#6b7280;--border:#e5e7eb;--card:#f9fafb;
  --brand:#0a84ff;--brand2:#1a73e8;--danger:#d11a2a;--radius:16px;
  --shadow:0 1px 2px rgba(0,0,0,.06),0 8px 24px rgba(0,0,0,.06)
}
:root.dark{
  --bg:#0b0b0b;--fg:#f5f5f5;--muted:#c3c6cf;--border:#2a2a2a;--card:#141414;
  --brand:#0a84ff;--brand2:#3b82f6;--danger:#ef4444
}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--fg);line-height:1.5}
.container{max-width:1100px;margin:0 auto;padding:16px}
.header-inner{display:flex;justify-content:space-between;align-items:center;gap:12px;padding-top:10px}
.brand{display:flex;align-items:center;gap:10px}
.logo{width:28px;height:28px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;border-radius:7px;display:inline-grid;place-items:center;font-weight:700}
.site-title{margin:0;font-size:clamp(1.3rem,2.5vw,1.8rem);font-weight:700}
.subtitle{margin:6px 0 14px;color:var(--muted)}
.header-actions{display:flex;gap:8px;flex-wrap:wrap}
.site-header{border-bottom:1px solid var(--border);background:var(--bg);position:sticky;top:0;z-index:10;backdrop-filter:saturate(140%) blur(4px)}
.sub{padding-top:0}

.btn{appearance:none;border:1px solid var(--border);background:var(--fg);color:#fff;padding:10px 14px;border-radius:999px;cursor:pointer;box-shadow:var(--shadow);transition:.15s}
.btn:hover{transform:translateY(-1px)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.ghost{background:transparent;color:var(--fg)}
.btn.outline{background:transparent;color:var(--fg)}
.btn.sm{padding:6px 10px;font-size:.9rem}
.btn.danger{background:var(--danger);border-color:transparent}

.card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin:16px 0;box-shadow:var(--shadow)}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.grid-2{display:grid;grid-template-columns:1.15fr .85fr;gap:16px}
@media (max-width:920px){.grid-2{grid-template-columns:1fr}}

.video-wrap{position:relative;background:var(--card);border:1px dashed var(--border);border-radius:14px;overflow:hidden;min-height:260px;display:flex;align-items:center;justify-content:center}
video{width:100%;height:auto;display:block}
.overlay{position:absolute;inset:0;border:2px solid rgba(10,132,255,.35);border-radius:14px;pointer-events:none}
.status{position:absolute;left:8px;bottom:8px;background:rgba(255,255,255,.85);color:#111;padding:4px 8px;border-radius:999px;font-size:.85rem;border:1px solid var(--border)}
:root.dark .status{background:rgba(0,0,0,.6);color:#fff}
.loader{position:absolute;inset:auto auto 8px 8px;width:18px;height:18px;border-radius:50%;border:2px solid var(--border);border-top-color:var(--brand);animation:spin 1s linear infinite;display:none}
@keyframes spin{to{transform:rotate(360deg)}}

.input-row{display:flex;gap:10px;flex-wrap:wrap;margin:12px 0}
.file-btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--border);padding:10px 14px;border-radius:999px;background:transparent;cursor:pointer}
.file-btn input{display:none}

.dropzone{border:2px dashed var(--border);border-radius:12px;padding:18px;text-align:center;color:var(--muted);cursor:pointer}
.dropzone:focus{outline:2px solid var(--brand)}

.result-header{display:flex;align-items:center;gap:10px;margin:4px 0 10px}
.icon-wrap svg{width:20px;height:20px;fill:currentColor;color:#666}
.type-label{font-weight:600}
.time-label{margin-left:auto;color:var(--muted);font-size:.9rem}

.kv{display:grid;grid-template-columns:150px 1fr;gap:8px;margin:8px 0}
.kv span:first-child{color:var(--muted)}
.actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}

.code{background:var(--card);padding:12px;border-radius:10px;border:1px solid var(--border);max-height:260px;overflow:auto}

.view-toggle{display:flex;gap:6px}
.tab{border:none;background:#f3f4f6;color:#111;padding:8px 12px;border-radius:999px;cursor:pointer}
:root.dark .tab{background:#1f2937;color:#f5f5f5}
.tab.active{background:#111;color:#fff}
:root.dark .tab.active{background:#fff;color:#111}

.history-toggle{margin-top:12px}
.switch{display:flex;align-items:center;gap:8px}
.history-list{display:flex;flex-direction:column;gap:10px}
.h-item{display:grid;grid-template-columns:24px 1fr auto;gap:10px;align-items:center;border:1px solid var(--border);border-radius:12px;padding:10px;background:var(--bg)}
.h-type svg{width:20px;height:20px;color:#666}
.h-content{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.h-time{color:var(--muted);font-size:.85rem}
.h-actions{display:flex;gap:8px}

.note{color:var(--muted);font-size:.95rem}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;margin:8px 0 0;padding-left:18px}
.help{margin:8px 0 0 18px}
.share-row{margin-top:10px}

.site-footer{border-top:1px solid var(--border);margin-top:20px;padding-top:10px;color:var(--muted)}
.keywords{font-size:.9rem;color:#9ca3af}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.toast{position:fixed;left:50%;bottom:16px;transform:translateX(-50%);background:#111;color:#fff;padding:10px 14px;border-radius:999px;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:.25s}
.toast.show{opacity:1}


/* Safe Open Modal */
.modal.hidden { display: none; }

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  padding: 1rem;
}

.modal-content {
  background: var(--bg);
  color: var(--fg);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  max-width: 480px;
  width: 100%;
  text-align: left;
  animation: fadeIn 0.2s ease;
}

.modal-content h2 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--danger, #d93025);
}

.warning-text {
  font-size: 0.95rem;
  margin-bottom: 1rem;
  line-height: 1.4;
  color: var(--muted, #666);
}

.warning-text a {
  color: var(--accent, #4285f4);
  text-decoration: underline;
}

.link-preview {
  background: var(--code-bg, #f5f5f5);
  color: var(--fg);
  padding: 0.75rem;
  border-radius: var(--radius);
  font-family: monospace;
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
  word-break: break-all;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

.btn.outline {
  background: transparent;
  border: 1px solid var(--border, #ccc);
  color: var(--fg);
}

.btn.outline:hover {
  background: var(--hover-bg, #f2f2f2);
}

.btn {
  background: var(--accent, #4285f4);
  color: #fff;
  border: none;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius);
  cursor: pointer;
}

.btn:hover {
  background: var(--accent-hover, #3367d6);
}

@keyframes fadeIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}