/* Shared stylesheet for the tool pages added from September 2026 on.
   The older tool pages carry this same block inline; new ones link it.
   Every colour is a theme token from theme.css. */
:root {
  --radius-sm: 6px;
  --radius-md: 9px;
  --radius-lg: 12px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  min-height: 100vh;
}
h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 700;
  text-wrap: balance;
  margin: 0;
}
a { color: inherit; text-decoration: none; }
.app-wrapper {
  max-width: 1040px;
  margin: 0 auto;
  padding: 24px 22px 80px;
}
.os-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 18px;
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  margin-bottom: 36px;
  gap: 12px;
}
.os-brand-group { display: flex; align-items: center; gap: 12px; }
.os-brand-col { display: flex; flex-direction: column; gap: 2px; }
.os-brand-head { display: flex; align-items: center; gap: 8px; }
.brand-title { font-family: var(--font-serif); font-weight: 700; font-size: 18px; letter-spacing: -0.01em; color: var(--ink); }
.brand-title span { color: var(--accent-strong); }
.brand-tag { font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; background: var(--paper-inset); color: var(--ink-soft); padding: 2px 7px; border-radius: 4px; border: 1px solid var(--rule); font-weight: 600; }

.os-controls { display: flex; align-items: center; gap: 8px; }
.btn-search, .btn-settings {
  display: flex; align-items: center; gap: 8px; background: var(--paper-inset);
  border: 1px solid var(--rule); padding: 6px 12px; border-radius: var(--radius-sm);
  color: var(--ink-soft); font-size: 12.5px; font-weight: 600; cursor: pointer; font-family: inherit;
}
.btn-search:hover, .btn-settings:hover { border-color: var(--accent); color: var(--ink); }
.search-kbd { font-family: var(--font-mono); font-size: 10px; background: var(--paper-raised); border: 1px solid var(--rule-strong); padding: 1px 5px; border-radius: 3px; color: var(--ink-faint); }

.page-header { margin-bottom: 24px; }
.page-title { font-size: 34px; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 6px; }
.page-sub { font-size: 14.5px; color: var(--ink-soft); max-width: 780px; }

.panel {
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: 24px 26px;
  margin-bottom: 24px;
}
.panel h2 { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.panel .sub { font-size: 13.5px; color: var(--ink-soft); margin-bottom: 18px; }

/* Dropzone */
.dropzone {
  border: 2px dashed var(--rule-strong);
  border-radius: var(--radius-md);
  padding: 36px 20px;
  text-align: center;
  background: var(--paper-inset);
  cursor: pointer;
  transition: all 0.2s ease;
}
.dropzone:hover { border-color: var(--accent-strong); background: var(--paper-raised); }
.dropzone-icon { font-size: 32px; margin-bottom: 8px; color: var(--accent-strong); }
.dropzone-title { font-size: 15px; font-weight: 700; color: var(--ink); margin-bottom: 4px; }
.dropzone-sub { font-size: 12.5px; color: var(--ink-faint); }

/* Document Viewer & Redaction Canvas */
.canvas-wrapper {
  position: relative;
  background: #2E3631;
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  justify-content: center;
  overflow: auto;
  min-height: 420px;
}
.page-sheet {
  background: #FFF;
  color: #111;
  width: 100%;
  max-width: 620px;
  min-height: 780px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
  border-radius: 4px;
  position: relative;
  user-select: none;
  overflow: hidden;
  padding: 40px 48px;
  font-family: var(--font-sans);
}
.redaction-layer {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  cursor: crosshair;
}
.redacted-box {
  position: absolute;
  background: #000;
  border: 1px solid #FF3B30;
  cursor: pointer;
}
.redacted-box::after {
  content: 'REDACTED [BINARY STRIPPED]';
  color: #FFF;
  font-family: var(--font-mono);
  font-size: 8px;
  position: absolute;
  top: 1px; left: 3px;
  opacity: 0.8;
  letter-spacing: 0.05em;
}

/* Scrub Presets Bar */
.presets-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  margin: 16px 0;
}
.preset-btn {
  background: var(--paper-inset);
  border: 1px solid var(--rule);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.preset-btn:hover { border-color: var(--accent); background: var(--paper-raised); }
.preset-btn.active { border-color: var(--danger); color: var(--danger); }

/* Audit Stamp Certificate */
.cert-card {
  background: var(--paper-inset);
  border: 2px solid var(--rule-strong);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
}
.cert-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 12px;
  margin-bottom: 14px;
}
.cert-seal {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 2px solid var(--accent-strong);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent-strong);
  font-weight: 700;
  font-size: 11px;
}

.action-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 20px;
}
button.btn-primary {
  background: var(--accent-strong);
  color: #FFF;
  border: 1px solid var(--accent-strong);
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
button.btn-primary:hover { opacity: 0.92; }

button.btn-secondary {
  background: var(--paper-inset);
  color: var(--ink);
  border: 1px solid var(--rule-strong);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
}
button.btn-secondary:hover { border-color: var(--accent); }

.os-footer {
  margin-top: 60px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: var(--ink-soft);
}

@media (max-width: 768px) {
  .app-wrapper { padding: 14px 12px 75px; }
  .os-topbar { flex-wrap: wrap; gap: 10px; padding: 10px 12px; margin-bottom: 24px; }
  .os-brand-group { order: 1; }
  .os-controls { order: 2; margin-left: auto; }
  .os-nav-tabs { order: 3; width: 100%; justify-content: space-around; padding: 4px; overflow-x: auto; }
  .nav-tab-btn { padding: 7px 8px; font-size: 11px; }
  .page-title { font-size: 26px; }
  .page-sub { font-size: 13.5px; }
}

/* ---- shared tool styles ---- */
/* A finger needs forty points. The desktop sizes above are right for a
   pointer; on a touch screen every control grows to meet it. */
@media (pointer: coarse) {
  button.btn-primary, button.btn-secondary, .btn-primary, .btn-secondary,
  .field input, .field select, .preset-btn { min-height: 40px; }
}

.field { display:flex; flex-direction:column; gap:6px; margin-bottom:14px; }
.field label { font-size:12.5px; font-weight:600; color:var(--ink-soft); }
.field input, .field textarea, .field select {
  font-family: inherit; font-size:14px; color:var(--ink); background:var(--paper-inset);
  border:1px solid var(--rule-strong); border-radius:var(--radius-sm); padding:9px 12px; width:100%;
}
.field textarea { min-height:110px; resize:vertical; line-height:1.55; }
.field input:focus, .field textarea:focus, .field select:focus { outline:none; border-color:var(--accent); }
.grid2 { display:grid; grid-template-columns:1fr 1fr; gap:0 16px; }
.grid3 { display:grid; grid-template-columns:1fr 2fr 1fr; gap:0 16px; }
@media (max-width:700px) { .grid2, .grid3 { grid-template-columns:1fr; } }
.notes { font-size:12.5px; color:var(--ink-faint); line-height:1.5; }
.digest { font-family:var(--font-mono); font-size:11px; word-break:break-all; color:var(--ink-soft); margin-top:4px; }
.status-line { font-size:13px; color:var(--ink-soft); border-left:3px solid var(--rule); padding:2px 0 2px 12px; margin:14px 0 0; }
.tool-note { font-size:13px; line-height:1.55; color:var(--ink-soft); border-left:3px solid var(--rule); padding:2px 0 2px 12px; margin:12px 0; }
.tool-note strong { color:var(--ink); }
.warn-panel { border-color: var(--danger, #A6432F); }
.warn-panel h2 { color: var(--danger, #A6432F); }