:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1f242d;
  --border: #2a303b;
  --text: #e6e9ef;
  --muted: #8c95a4;
  --accent: #6aa6ff;
  --accent-dim: #4d7ec4;
  --success: #6cd093;
  --danger: #ef6b6b;
  --code-bg: #0b0d11;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

main { max-width: 960px; margin: 0 auto; padding: 24px; }
body.public main { max-width: 1200px; padding: 16px; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.topbar .brand a { color: var(--text); font-weight: 600; }
.topbar nav { display: flex; gap: 16px; align-items: center; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 16px;
}
.card.narrow { max-width: 480px; margin-left: auto; margin-right: auto; }
.card.wide   { max-width: 100%; }
.card h1, .card h2 { margin-top: 0; }
.card-header { display: flex; justify-content: space-between; align-items: baseline; }
.card-actions a { font-size: 13px; }

label { display: block; margin: 12px 0; font-size: 14px; }
label > input, label > textarea, label > select {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 8px 10px;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
}
textarea { resize: vertical; min-height: 80px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
input[type="number"] { -moz-appearance: textfield; }

button, .button {
  display: inline-block;
  background: var(--accent);
  color: #0b0f15;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
button:hover, .button:hover { background: var(--accent-dim); text-decoration: none; }
button:disabled { opacity: 0.5; cursor: not-allowed; }
.link-button {
  background: transparent;
  color: var(--accent);
  padding: 0;
  font-weight: 400;
}
.link-button:hover { background: transparent; text-decoration: underline; }

fieldset.inline {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 12px;
  margin: 12px 0;
}
fieldset.inline legend { font-size: 13px; color: var(--muted); padding: 0 4px; }
fieldset.inline label { display: inline-block; margin: 0 12px 0 0; }

.muted { color: var(--muted); }
.error { background: rgba(239, 107, 107, 0.12); border: 1px solid var(--danger); color: var(--danger); padding: 8px 12px; border-radius: 6px; margin-bottom: 12px; }
.success { position: relative; background: rgba(108, 208, 147, 0.12); border: 1px solid var(--success); color: var(--success); padding: 8px 36px 8px 12px; border-radius: 6px; margin-bottom: 12px; }
.success .dismiss {
  position: absolute;
  top: 4px;
  right: 4px;
  background: transparent;
  color: var(--success);
  font-size: 20px;
  line-height: 1;
  padding: 2px 8px;
  font-weight: 400;
}
.success .dismiss:hover { background: rgba(108, 208, 147, 0.15); }
.hint { color: var(--muted); font-size: 13px; margin: 4px 0; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
.tab {
  background: transparent;
  color: var(--muted);
  border-radius: 0;
  padding: 8px 16px;
  font-weight: 400;
  border-bottom: 2px solid transparent;
}
.tab:hover { background: transparent; color: var(--text); }
.tab.active { color: var(--text); border-bottom: 2px solid var(--accent); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

.link-row { display: flex; gap: 8px; align-items: center; }
.link-row input { flex: 1; padding: 6px 8px; background: var(--panel-2); border: 1px solid var(--border); border-radius: 6px; color: var(--text); }

.paste-preview { margin: 8px 0; padding: 8px; background: var(--panel-2); border: 1px dashed var(--border); border-radius: 6px; }
.paste-preview img { max-width: 200px; max-height: 200px; display: block; margin-bottom: 4px; border-radius: 4px; }

.data-table { width: 100%; border-collapse: collapse; margin-top: 8px; }
.data-table th, .data-table td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14px; }
.data-table th { color: var(--muted); font-weight: 500; font-size: 13px; }

.row-form { display: flex; gap: 8px; margin: 12px 0 24px; flex-wrap: wrap; }
.row-form input, .row-form select { padding: 8px 10px; background: var(--panel-2); border: 1px solid var(--border); border-radius: 6px; color: var(--text); font: inherit; }

.badge { display: inline-block; padding: 2px 6px; font-size: 11px; background: var(--accent-dim); color: #0b0f15; border-radius: 4px; margin-left: 4px; }

.public-view { display: flex; flex-direction: column; gap: 12px; align-items: center; }
.public-view .media { max-width: 100%; max-height: 80vh; border-radius: 6px; background: #000; }
.public-view .caption { max-width: 800px; width: 100%; background: var(--panel); border: 1px solid var(--border); border-radius: 6px; padding: 12px 16px; }
.public-view .text-body { max-width: 800px; width: 100%; background: var(--panel); border: 1px solid var(--border); border-radius: 6px; padding: 16px 20px; }
.public-view .text-body.plain { white-space: pre-wrap; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 14px; }
.public-view .text-body.markdown img { max-width: 100%; }
.public-view .text-body.markdown pre { background: var(--code-bg); padding: 12px; border-radius: 6px; overflow-x: auto; }
.public-view .text-body.markdown code { background: var(--code-bg); padding: 2px 4px; border-radius: 3px; }
.public-view .text-body.markdown pre code { background: transparent; padding: 0; }

.file-card { text-align: center; padding: 32px; background: var(--panel); border: 1px solid var(--border); border-radius: 8px; max-width: 480px; width: 100%; }
.file-card h1 { word-break: break-all; }

.view-footer { margin-top: 8px; font-size: 13px; }
.view-footer .dot { margin: 0 6px; }