:root{
  --bg: #0a0a0f;
  --bg-card: #14141c;
  --border: #232330;
  --text: #e8e8ef;
  --text-dim: #8a8a9a;
  --accent1: #ff2d55;
  --accent2: #c026d3;
  --gradient: linear-gradient(135deg, var(--accent1), var(--accent2));
  --radius: 14px;
}

*{ box-sizing: border-box; }

html,body{
  margin:0; padding:0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  min-height: 100vh;
}

.bg-glow{
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(600px circle at 15% 10%, rgba(255,45,85,0.12), transparent 60%),
    radial-gradient(600px circle at 85% 90%, rgba(192,38,211,0.12), transparent 60%);
}

.topbar{
  display:flex; align-items:center; justify-content:space-between;
  padding: 24px 32px;
  border-bottom: 1px solid var(--border);
}
.brand{
  color: var(--text); text-decoration:none;
  font-weight: 700; font-size: 1.1rem;
  display:flex; align-items:center; gap:8px;
}
.brand-mark{
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.tag{ color: var(--text-dim); font-size: 0.85rem; }

main{
  max-width: 720px;
  margin: 0 auto;
  padding: 60px 24px 80px;
}

footer{
  text-align:center; color: var(--text-dim);
  font-size: 0.8rem; padding: 24px; border-top: 1px solid var(--border);
}

.hero h1{
  font-size: 2rem; line-height: 1.3; margin: 0 0 12px;
  font-weight: 700;
}
.hero .sub{ color: var(--text-dim); margin: 0 0 32px; }

.dropzone{
  position: relative;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  background: var(--bg-card);
  transition: border-color .2s, transform .2s, box-shadow .2s;
}
.dropzone:hover, .dropzone.dragover{
  border-color: var(--accent2);
  box-shadow: 0 0 0 1px rgba(192,38,211,0.3), 0 8px 30px rgba(192,38,211,0.08);
  transform: translateY(-1px);
}
.dz-icon{ font-size: 2rem; margin-bottom: 12px;
  background: var(--gradient); -webkit-background-clip:text; background-clip:text; color:transparent; }
.dz-text{ font-weight: 500; margin-bottom: 6px; }
.dz-hint{ color: var(--text-dim); font-size: 0.8rem; font-family: 'JetBrains Mono', monospace; }
.link-like{ color: var(--accent2); text-decoration: underline; cursor: pointer; }

.dz-progress{ }
.bar{ height: 8px; border-radius: 4px; background: #232330; overflow: hidden; margin-bottom: 8px; }
.fill{ height: 100%; width: 0%; background: var(--gradient); transition: width .15s; }
.pct{ color: var(--text-dim); font-size: 0.85rem; font-family: 'JetBrains Mono', monospace; }

.result-card{
  margin-top: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.result-row{ display:flex; gap: 10px; }
.result-row input{
  flex:1; background: #0d0d13; border: 1px solid var(--border);
  color: var(--text); border-radius: 8px; padding: 10px 12px;
  font-family: 'JetBrains Mono', monospace; font-size: 0.85rem;
}
.btn-primary{
  background: var(--gradient); color: #fff; border: none;
  border-radius: 8px; padding: 10px 18px; font-weight: 600;
  cursor: pointer; text-decoration: none; display:inline-flex; align-items:center;
  transition: filter .15s, transform .15s;
}
.btn-primary:hover{ filter: brightness(1.1); transform: translateY(-1px); }
.result-meta{
  display:flex; justify-content: space-between; margin-top: 10px;
  font-size: 0.8rem; color: var(--text-dim);
}

.error-box{
  margin-top: 16px; padding: 12px 16px; border-radius: 8px;
  background: rgba(255,45,85,0.1); border: 1px solid rgba(255,45,85,0.3);
  color: #ff8fa3; font-size: 0.9rem;
}

.viewer{ }
.media-frame{
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  display:flex; align-items:center; justify-content:center;
  min-height: 200px;
}
.media-frame img, .media-frame video{
  max-width: 100%; max-height: 70vh; display:block;
}
.viewer-bar{
  display:flex; justify-content: space-between; align-items:center;
  margin-top: 16px; flex-wrap: wrap; gap: 12px;
}
.viewer-info{ display:flex; flex-direction:column; gap:2px; }
.fname{ font-weight:500; word-break: break-all; }
.fsize{ color: var(--text-dim); font-size: 0.8rem; font-family: 'JetBrains Mono', monospace; }
.viewer-actions{ display:flex; align-items:center; gap: 14px; }
.countdown{
  color: var(--accent2); font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
}

.gone{ text-align:center; padding: 60px 0; }
.gone-icon{ font-size: 2.5rem; margin-bottom: 16px;
  background: var(--gradient); -webkit-background-clip:text; background-clip:text; color:transparent; }
.gone h1{ margin: 0 0 8px; }
.gone .sub{ color: var(--text-dim); margin-bottom: 24px; }

@media (max-width: 480px){
  .hero h1{ font-size: 1.5rem; }
  .result-row{ flex-direction: column; }
}