/* Workspace only: the shared late stylesheet owns fixed page sections. */
.tn-signature-page { width: min(1180px, calc(100vw - 32px)); margin: 0 auto; }
.tn-signature-page .tn-signature-ad { width: min(900px, 100%); min-height: 90px; margin: 18px auto; }
.tn-signature-page .tn-signature-ad--top { margin: 54px auto 40px; }
.tn-signature-tool {
  --sig-ink: #1a1208; --sig-muted: #5a4a30; --sig-line: #b8a888; --sig-soft: #ddd4be;
  --sig-paper: #faf6ee; --sig-wash: #f5efdf; --sig-control: #fffaf1;
  --sig-button: #ede6d4; --sig-hover: #dfd4bb; --sig-accent: #c44a00;
  --sig-primary: #1a1208; --sig-on-primary: #faf6ee; --sig-error: #a1251b;
  --sig-sans: -apple-system, BlinkMacSystemFont, "Pretendard", "Segoe UI", system-ui, sans-serif;
  display: grid; grid-template-columns: 275px minmax(0, 1fr);
  margin: 0 auto 18px; border-top: 2px solid var(--sig-ink); border-bottom: 1px solid var(--sig-line);
  background: var(--sig-paper); color: var(--sig-ink); -webkit-text-fill-color: var(--sig-ink);
  color-scheme: light; font-family: var(--sig-sans);
}
.tn-signature-tool, .tn-signature-tool * { box-sizing: border-box; }
.tn-signature-tool [hidden] { display: none !important; }
.tn-signature-tool .tn-signature-modes { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border-bottom: 1px solid var(--sig-line); padding: 0; }
.tn-signature-tool .tn-signature-controls, .tn-signature-tool .tn-signature-preview { display: grid; align-content: start; gap: 10px; min-width: 0; margin: 0; padding: 14px; }
.tn-signature-tool .tn-signature-controls { border: 0; border-right: 1px solid var(--sig-line); background: var(--sig-wash); }
.tn-signature-tool .tn-signature-group { display: grid; gap: 10px; min-width: 0; }
.tn-signature-tool .tn-signature-field { display: grid; align-content: start; gap: 5px; min-width: 0; margin: 0; padding: 0; border: 0; background: transparent; }
.tn-signature-tool .tn-signature-field label { display: block; margin: 0; padding: 0; color: var(--sig-muted); -webkit-text-fill-color: var(--sig-muted); font: 700 12px/1.4 var(--sig-sans); }
.tn-signature-tool .tn-signature-field input, .tn-signature-tool .tn-signature-field select {
  display: block; width: 100%; min-width: 0; height: 38px; min-height: 38px; margin: 0; padding: 0 10px;
  border: 1px solid var(--sig-line); border-radius: 0; background-color: var(--sig-control);
  color: var(--sig-ink); -webkit-text-fill-color: var(--sig-ink); box-shadow: none;
  font: 600 14px/1.3 var(--sig-sans); font-variant-numeric: lining-nums tabular-nums; letter-spacing: normal;
}
.tn-signature-tool .tn-signature-field select { appearance: none; padding-right: 30px; background-image: linear-gradient(45deg, transparent 50%, var(--sig-muted) 50%), linear-gradient(135deg, var(--sig-muted) 50%, transparent 50%); background-position: calc(100% - 15px) 16px, calc(100% - 10px) 16px; background-size: 5px 5px; background-repeat: no-repeat; }
.tn-signature-tool .tn-signature-field option { background: var(--sig-control); color: var(--sig-ink); }
.tn-signature-tool .tn-signature-field input[type="color"] { padding: 5px 8px; cursor: pointer; }
.tn-signature-tool .tn-signature-field input[type="range"] { appearance: auto; padding: 0; border: 0; background: transparent; accent-color: var(--sig-accent); cursor: pointer; }
.tn-signature-tool .tn-signature-range { display: grid; grid-template-columns: minmax(0, 1fr) 42px; align-items: center; gap: 8px; }
.tn-signature-tool .tn-signature-range output { color: var(--sig-ink); -webkit-text-fill-color: var(--sig-ink); font: 800 14px/1.3 var(--sig-sans); font-variant-numeric: lining-nums tabular-nums; text-align: right; }
.tn-signature-tool .tn-signature-field input::placeholder { color: var(--sig-ink); -webkit-text-fill-color: var(--sig-ink); opacity: .35; font-weight: 400; }
.tn-signature-tool .tn-signature-field [aria-invalid="true"] { border-color: var(--sig-error); }
.tn-signature-tool .tn-signature-hint, .tn-signature-tool .tn-signature-caption, .tn-signature-tool .tn-signature-status { min-width: 0; margin: 0; padding: 0; color: var(--sig-muted); -webkit-text-fill-color: var(--sig-muted); overflow-wrap: anywhere; font: 400 12px/1.65 var(--sig-sans); }
.tn-signature-tool[data-state="error"] .tn-signature-status { color: var(--sig-error); -webkit-text-fill-color: var(--sig-error); }
.tn-signature-tool .tn-signature-actions { display: grid; gap: 10px; min-width: 0; }
.tn-signature-tool .tn-signature-actions--pair { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.tn-signature-tool .tn-signature-button { display: grid; place-items: center; width: 100%; height: 38px; min-height: 38px; margin: 0; padding: 0 8px; border: 1px solid var(--sig-line); border-radius: 0; background: var(--sig-button); color: var(--sig-ink); -webkit-text-fill-color: var(--sig-ink); box-shadow: none; font: 700 13px/1 var(--sig-sans); letter-spacing: normal; text-align: center; text-transform: none; cursor: pointer; }
.tn-signature-tool .tn-signature-button:hover:not(:disabled) { background: var(--sig-hover); }
.tn-signature-tool .tn-signature-button--primary, .tn-signature-tool .tn-signature-modes [aria-pressed="true"] { background: var(--sig-primary); border-color: var(--sig-primary); color: var(--sig-on-primary); -webkit-text-fill-color: var(--sig-on-primary); }
.tn-signature-tool .tn-signature-button--primary:hover:not(:disabled), .tn-signature-tool .tn-signature-modes [aria-pressed="true"]:hover { background: var(--sig-accent); }
.tn-signature-tool .tn-signature-button:disabled { opacity: .5; cursor: not-allowed; }
.tn-signature-tool :is(button, input, select):focus-visible { outline: 2px solid var(--sig-accent); outline-offset: 3px; }
.tn-signature-tool .tn-signature-modes .tn-signature-button { border: 0; height: 42px; }
.tn-signature-tool .tn-signature-preview figure { display: grid; gap: 10px; min-width: 0; margin: 0; }
.tn-signature-tool .tn-signature-preview-heading { display: flex; justify-content: space-between; gap: 10px; color: var(--sig-muted); -webkit-text-fill-color: var(--sig-muted); font: 700 12px/1.4 var(--sig-sans); }
/* The preview depicts the exported image, not a theme surface. Its ink/background never follow dark mode. */
.tn-signature-tool .tn-signature-canvas-wrap { position: relative; width: 100%; min-width: 0; border: 1px solid var(--sig-line); background-color: #fff; background-image: conic-gradient(#eee 25%, #fff 0 50%, #eee 0 75%, #fff 0); background-size: 20px 20px; }
.tn-signature-tool #signatureCanvas { display: block; width: 100%; height: auto; aspect-ratio: 5 / 2; margin: 0; padding: 0; border: 0; background: transparent; }
.tn-signature-tool[data-mode="draw"] #signatureCanvas { touch-action: none; cursor: crosshair; }
.tn-signature-tool .tn-signature-empty { position: absolute; inset: 0; display: grid; place-items: center; padding: 12px; pointer-events: none; color: #5a4a30; -webkit-text-fill-color: #5a4a30; font: 500 13px/1.5 var(--sig-sans); text-align: center; }
.tn-signature-tool .tn-signature-boundary { margin: 4px 0 0; padding: 12px 0 0; border-top: 1px solid var(--sig-soft); color: var(--sig-muted); -webkit-text-fill-color: var(--sig-muted); font: 400 12px/1.7 var(--sig-sans); }
body[data-scheme="dark"] .tn-signature-tool { --sig-ink: #f3ead9; --sig-muted: #d4c4a8; --sig-line: #80715a; --sig-soft: #584c3b; --sig-paper: #211d17; --sig-wash: #2a241c; --sig-control: #181510; --sig-button: #3a3125; --sig-hover: #4b3e2d; --sig-accent: #e9905a; --sig-primary: #f0d9ad; --sig-on-primary: #21180d; --sig-error: #ffa396; color-scheme: dark; }
@media (prefers-color-scheme: dark) {
  body[data-scheme="auto"] .tn-signature-tool { --sig-ink: #f3ead9; --sig-muted: #d4c4a8; --sig-line: #80715a; --sig-soft: #584c3b; --sig-paper: #211d17; --sig-wash: #2a241c; --sig-control: #181510; --sig-button: #3a3125; --sig-hover: #4b3e2d; --sig-accent: #e9905a; --sig-primary: #f0d9ad; --sig-on-primary: #21180d; --sig-error: #ffa396; color-scheme: dark; }
}
@media (max-width: 760px) {
  .tn-signature-page { width: calc(100% - 10px); }
  .tn-signature-tool { grid-template-columns: minmax(0, 1fr); }
  .tn-signature-tool .tn-signature-controls { border-right: 0; border-bottom: 1px solid var(--sig-line); }
  .tn-signature-tool .tn-signature-group { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) { .tn-signature-tool * { transition: none !important; animation: none !important; } }

/* Keep the editor's palette above the shared broad [class*="tn-"] dark rules. */
#tnSignatureTool, #tnSignatureTool [class*="tn-signature-"] { color: var(--sig-ink) !important; -webkit-text-fill-color: var(--sig-ink) !important; }
#tnSignatureTool input, #tnSignatureTool select { background-color: var(--sig-control) !important; color: var(--sig-ink) !important; -webkit-text-fill-color: var(--sig-ink) !important; border-color: var(--sig-line) !important; }
#tnSignatureTool input[aria-invalid="true"] { border-color: var(--sig-error) !important; }
#tnSignatureTool .tn-signature-hint, #tnSignatureTool .tn-signature-caption, #tnSignatureTool .tn-signature-boundary, #tnSignatureTool .tn-signature-preview-heading { color: var(--sig-muted) !important; -webkit-text-fill-color: var(--sig-muted) !important; }
#tnSignatureTool .tn-signature-button--primary, #tnSignatureTool .tn-signature-modes [aria-pressed="true"] { color: var(--sig-on-primary) !important; -webkit-text-fill-color: var(--sig-on-primary) !important; }
#tnSignatureTool .tn-signature-status[data-state="error"] { color: var(--sig-error) !important; -webkit-text-fill-color: var(--sig-error) !important; }
#tnSignatureTool .tn-signature-empty { color: #5a4a30 !important; -webkit-text-fill-color: #5a4a30 !important; }