:root {
  --bg: #f4f5f7;
  --panel: #ffffff;
  --panel-2: #fafbfc;
  --text: #1a1d21;
  --muted: #6b7280;
  --border: #e3e6ea;
  --accent: #2f6df6;
  --accent-contrast: #ffffff;
  --accent-soft: #e8f0ff;
  --danger: #d6455c;
  --success: #1f9d64;
  --shadow: 0 10px 30px rgba(20, 30, 50, 0.08);
  --radius: 14px;
  --radius-sm: 9px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1016;
    --panel: #161a22;
    --panel-2: #1c212b;
    --text: #e8ebf0;
    --muted: #96a0b0;
    --border: #2a303c;
    --accent: #5b8cff;
    --accent-contrast: #0d1016;
    --accent-soft: #1b2436;
    --shadow: 0 14px 40px rgba(0, 0, 0, 0.45);
  }
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 32px 16px 48px;
}

header.top {
  width: 100%;
  max-width: 560px;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
}
header.top .logo {
  width: 30px; height: 30px;
  display: grid; place-items: center;
  background: var(--accent); color: var(--accent-contrast);
  border-radius: 8px; font-weight: 800;
}
header.top h1 { font-size: 1.1rem; margin: 0; font-weight: 700; letter-spacing: -0.01em; }
header.top .spacer { flex: 1; }
header.top a { color: var(--muted); text-decoration: none; font-size: 0.85rem; }
header.top a:hover { color: var(--text); }

.card {
  width: 100%;
  max-width: 560px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}

.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: 34px 18px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  background: var(--panel-2);
}
.dropzone:hover, .dropzone.drag { border-color: var(--accent); background: var(--accent-soft); }
.dropzone .big { font-size: 1.05rem; font-weight: 600; margin: 8px 0 2px; }
.dropzone .small { color: var(--muted); font-size: 0.85rem; }
.dropzone svg { width: 34px; height: 34px; color: var(--accent); }

.filelist { margin: 16px 0 4px; display: flex; flex-direction: column; gap: 8px; }
.fileitem {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border: 1px solid var(--border);
  border-radius: var(--radius-sm); background: var(--panel-2);
}
.fileitem .name { flex: 1; min-width: 0; }
.fileitem .name b { display: block; font-size: 0.9rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fileitem .name span { font-size: 0.78rem; color: var(--muted); }
.fileitem .remove {
  border: 0; background: transparent; color: var(--muted);
  cursor: pointer; font-size: 1.2rem; line-height: 1; padding: 2px 6px;
}
.fileitem .remove:hover { color: var(--danger); }
.fileitem .bar { width: 100%; height: 4px; background: var(--border); border-radius: 3px; overflow: hidden; margin-top: 6px; display: none; }
.fileitem .bar i { display: block; height: 100%; width: 0; background: var(--accent); transition: width 0.2s; }
.fileitem.uploading .bar { display: block; }
.fileitem .meta-wrap { flex: 1; min-width: 0; }

.fields { margin-top: 16px; display: flex; flex-direction: column; gap: 12px; }
.field label { display: block; font-size: 0.8rem; color: var(--muted); margin-bottom: 4px; font-weight: 600; }
.field input, .field textarea, .field select {
  width: 100%; padding: 10px 12px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--panel-2); color: var(--text); font-size: 0.92rem; font-family: inherit;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft);
}
.field textarea { resize: vertical; min-height: 64px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.advanced-toggle {
  background: transparent; border: 0; color: var(--accent);
  cursor: pointer; font-size: 0.85rem; padding: 4px 0; font-weight: 600;
}
.advanced { display: none; flex-direction: column; gap: 12px; }
.advanced.open { display: flex; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; padding: 13px 16px; margin-top: 16px;
  border: 0; border-radius: var(--radius-sm);
  background: var(--accent); color: var(--accent-contrast);
  font-size: 0.98rem; font-weight: 700; cursor: pointer;
  transition: filter 0.15s, opacity 0.15s;
}
.btn:hover { filter: brightness(1.05); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn.secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }

.totals { font-size: 0.82rem; color: var(--muted); margin-top: 10px; text-align: center; }
.error { color: var(--danger); font-size: 0.85rem; margin-top: 10px; text-align: center; min-height: 1.1em; }

.overall { margin-top: 16px; display: none; }
.overall.show { display: block; }
.overall .bar { height: 8px; background: var(--border); border-radius: 5px; overflow: hidden; }
.overall .bar i { display: block; height: 100%; width: 0; background: var(--accent); transition: width 0.2s; }
.overall .label { font-size: 0.82rem; color: var(--muted); margin-top: 6px; text-align: center; }

.success { text-align: center; }
.success .check {
  width: 54px; height: 54px; margin: 4px auto 10px;
  display: grid; place-items: center; border-radius: 50%;
  background: var(--success); color: #fff; font-size: 1.6rem;
}
.success h2 { margin: 0 0 4px; font-size: 1.2rem; }
.success p { color: var(--muted); margin: 0 0 16px; font-size: 0.9rem; }
.linkbox {
  display: flex; gap: 8px; align-items: center;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 6px 6px 6px 12px; background: var(--panel-2);
}
.linkbox input { flex: 1; border: 0; background: transparent; color: var(--text); font-size: 0.9rem; min-width: 0; }
.linkbox input:focus { outline: none; }
.linkbox button { border: 0; background: var(--accent); color: var(--accent-contrast); padding: 8px 14px; border-radius: 7px; cursor: pointer; font-weight: 700; font-size: 0.85rem; }

.hidden { display: none !important; }
footer.foot { margin-top: 24px; color: var(--muted); font-size: 0.78rem; text-align: center; }
footer.foot a { color: var(--muted); }

/* Download page specifics */
.dl-meta { color: var(--muted); font-size: 0.88rem; margin: 2px 0 16px; }
.dl-message {
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 12px 14px; margin-bottom: 16px;
  font-size: 0.92rem; white-space: pre-wrap; word-break: break-word;
}
.dl-file {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 12px; border: 1px solid var(--border);
  border-radius: var(--radius-sm); margin-bottom: 8px; background: var(--panel-2);
  text-decoration: none; color: var(--text);
}
.dl-file:hover { border-color: var(--accent); }
.dl-file .name { flex: 1; min-width: 0; }
.dl-file .name b { display: block; font-size: 0.9rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dl-file .name span { font-size: 0.78rem; color: var(--muted); }
.dl-file .dlicon { color: var(--accent); }
.state { text-align: center; padding: 30px 10px; }
.state .emoji { font-size: 2.4rem; }
.state h2 { margin: 10px 0 4px; }
.state p { color: var(--muted); margin: 0; }