/* ==========================================================================
   Kalvi Nesan Workbench
   One neutral palette, one accent, Geist type. Light by default, dark via
   prefers-color-scheme.
   ========================================================================== */

:root {
  --bg: #f6f6f4;
  --surface: #ffffff;
  --surface-2: #f3f3f0;
  --surface-3: #ebebe7;
  --border: #e3e3de;
  --border-strong: #cfcfc9;

  --text: #17171a;
  --text-2: #55555d;
  --text-3: #8b8b93;

  --ink: #17171a;
  --ink-hover: #2e2e33;
  --on-ink: #ffffff;

  --accent: #2448c8;
  --accent-soft: #edf0fb;
  --focus: rgba(36, 72, 200, 0.28);

  --ok: #17734a;
  --ok-soft: #e8f4ed;
  --warn: #9a5b06;
  --warn-soft: #fbf2e1;
  --err: #b4281f;
  --err-soft: #fcebea;
  --info: #2448c8;
  --info-soft: #edf0fb;

  --radius-sm: 6px;
  --radius: 8px;
  --radius-lg: 12px;

  --shadow-sm: 0 1px 2px rgba(20, 20, 25, 0.05);
  --shadow: 0 1px 2px rgba(20, 20, 25, 0.04), 0 4px 16px rgba(20, 20, 25, 0.04);

  --font: 'Geist', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'Geist Mono', ui-monospace, 'SFMono-Regular', Consolas, monospace;

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f0f11;
    --surface: #161619;
    --surface-2: #1c1c20;
    --surface-3: #242429;
    --border: #27272c;
    --border-strong: #36363d;

    --text: #ececee;
    --text-2: #a3a3ab;
    --text-3: #6e6e77;

    --ink: #ececee;
    --ink-hover: #ffffff;
    --on-ink: #111113;

    --accent: #8ea4ff;
    --accent-soft: rgba(142, 164, 255, 0.12);
    --focus: rgba(142, 164, 255, 0.35);

    --ok: #5fc794;
    --ok-soft: rgba(95, 199, 148, 0.12);
    --warn: #e2a64a;
    --warn-soft: rgba(226, 166, 74, 0.12);
    --err: #f27d73;
    --err-soft: rgba(242, 125, 115, 0.12);
    --info: #8ea4ff;
    --info-soft: rgba(142, 164, 255, 0.12);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.25);

    color-scheme: dark;
  }
}

/* ---------- Base ---------- */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'ss01', 'cv11';
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 2px; }

button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; }
button:disabled { cursor: not-allowed; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

::selection { background: var(--accent-soft); color: var(--text); }

strong { font-weight: 600; }

.font-mono, .code-font { font-family: var(--mono); font-size: 0.92em; }
.text-muted { color: var(--text-3) !important; }

/* ---------- Layout ---------- */

.app-layout { min-height: 100vh; display: flex; flex-direction: column; }

.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1440px;
  margin: 0 auto;
  height: 56px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 600;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.brand:hover { text-decoration: none; }
.brand img { width: 24px; height: 24px; border-radius: 6px; display: block; }
.brand-sep { color: var(--border-strong); font-weight: 400; }
.brand-product { color: var(--text-2); font-weight: 500; }

.primary-nav { display: flex; align-items: stretch; height: 100%; gap: 4px; }
.primary-nav a {
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  padding: 0 10px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-2);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.primary-nav a:hover { color: var(--text); text-decoration: none; }
.primary-nav a[aria-current='page'] { color: var(--text); border-bottom-color: var(--text); }

.header-actions { margin-left: auto; display: flex; align-items: center; gap: 6px; }

.main-container {
  flex: 1;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 36px 24px 64px;
}

.app-footer { border-top: 1px solid var(--border); }
.footer-content {
  max-width: 1440px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 12.5px;
  color: var(--text-3);
}

.footer-tag { display: inline-flex; align-items: center; gap: 6px; }
#footerWpStatusText { color: var(--text-2); font-weight: 500; }
#footerWpStatusText[data-state='ok'] { color: var(--ok); }
#footerWpStatusText[data-state='error'] { color: var(--err); }
#footerWpStatusText[data-state='warn'] { color: var(--warn); }
#footerWpStatusText[data-state='pending'] { color: var(--accent); }

/* ---------- Page heading ---------- */

.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.page-head h1 {
  font-size: 24px;
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.page-head p { color: var(--text-2); margin-top: 6px; max-width: 60ch; }
.page-head-aside { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

/* ---------- Cards / sections ---------- */

.card,
.wordpress-card,
.sheets-card,
.local-card,
.publishing-control-card,
.output-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
}

.card-pad { padding: 24px; }

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}
.card-header h2 { font-size: 15px; font-weight: 600; letter-spacing: -0.01em; }
.card-header p { color: var(--text-2); font-size: 13px; margin-top: 2px; }
.card-header-aside { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

.card-body { padding: 24px; }
.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  background: var(--surface-2);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}
.card-footer.end { justify-content: flex-end; }

/* Narrow single-purpose screens (WordPress connect / defaults) */
.setup-wrap { max-width: 560px; margin: 24px auto 0; }
.setup-step {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-3);
  margin-bottom: 10px;
  font-variant-numeric: tabular-nums;
}

/* ---------- Forms ---------- */

.field { display: flex; flex-direction: column; gap: 6px; }
.field + .field { margin-top: 18px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field-row .field + .field { margin-top: 0; }

.field-label, .config-label, .mini-field-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
}
.mini-field-label { font-size: 12px; color: var(--text-2); }
.mini-field-label .font-mono { color: var(--text); font-size: 11.5px; }

.field-hint, .wp-field-hint { font-size: 12.5px; color: var(--text-3); line-height: 1.45; }
.field-hint strong, .wp-field-hint strong { color: var(--text-2); font-weight: 500; }

.form-control {
  width: 100%;
  height: 38px;
  padding: 0 12px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--text);
  transition: border-color 0.12s, box-shadow 0.12s;
}
.form-control::placeholder { color: var(--text-3); }
.form-control:hover { border-color: var(--text-3); }
.form-control:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--focus); }
.form-control:disabled { background: var(--surface-2); color: var(--text-3); }
.form-control.sm { height: 32px; font-size: 13px; padding: 0 10px; }

select.form-control, .select-control {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 32px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238b8b93' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 11px center;
  cursor: pointer;
}

.wp-password-wrapper { position: relative; }
.wp-password-wrapper .form-control { padding-right: 42px; }
.btn-eye-toggle {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 30px;
  border-radius: var(--radius-sm);
  color: var(--text-3);
  display: grid;
  place-items: center;
  font-size: 13px;
}
.btn-eye-toggle:hover { color: var(--text); background: var(--surface-2); }

.check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
}
.check input { margin-top: 3px; width: 15px; height: 15px; accent-color: var(--ink); flex-shrink: 0; }
.check-title { font-size: 13.5px; font-weight: 500; }
.check-desc { font-size: 12.5px; color: var(--text-3); margin-top: 2px; }

input[type='range'] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 18px;
  background: transparent;
  cursor: pointer;
}
input[type='range']::-webkit-slider-runnable-track { height: 3px; background: var(--surface-3); border-radius: 3px; }
input[type='range']::-moz-range-track { height: 3px; background: var(--surface-3); border-radius: 3px; }
input[type='range']::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px; height: 14px; margin-top: -5.5px;
  border-radius: 50%;
  background: var(--surface);
  border: 1.5px solid var(--ink);
}
input[type='range']::-moz-range-thumb {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--surface);
  border: 1.5px solid var(--ink);
}
input[type='range']:disabled { opacity: 0.45; cursor: not-allowed; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 36px;
  padding: 0 14px;
  border-radius: var(--radius);
  font-size: 13.5px;
  font-weight: 500;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: background-color 0.12s, border-color 0.12s, color 0.12s;
  text-decoration: none !important;
}
.btn i { font-size: 12px; }
.btn:disabled { opacity: 0.45; }

.btn-primary { background: var(--ink); color: var(--on-ink); }
.btn-primary:hover:not(:disabled) { background: var(--ink-hover); }

.btn-secondary { background: var(--surface); color: var(--text); border-color: var(--border-strong); box-shadow: var(--shadow-sm); }
.btn-secondary:hover:not(:disabled) { background: var(--surface-2); }

.btn-ghost { color: var(--text-2); }
.btn-ghost:hover:not(:disabled) { color: var(--text); background: var(--surface-2); }

.btn-icon { width: 34px; padding: 0; }
.btn-sm { height: 30px; padding: 0 10px; font-size: 12.5px; }
.btn-lg { height: 42px; padding: 0 20px; font-size: 14px; }
.btn-block { width: 100%; }

.btn-success { background: var(--ok-soft) !important; color: var(--ok) !important; border-color: transparent !important; }

/* Small text-style buttons used in tables / metadata */
.btn-preset, .btn-copy-mini, .btn-link-mini {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 28px;
  padding: 0 10px;
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-2);
  border: 1px solid var(--border);
  background: var(--surface);
  white-space: nowrap;
}
.btn-preset:hover, .btn-copy-mini:hover, .btn-link-mini:hover {
  color: var(--text);
  background: var(--surface-2);
  text-decoration: none;
}
.btn-preset i, .btn-copy-mini i, .btn-link-mini i { font-size: 11px; }

/* ---------- Segmented control ---------- */

.segmented {
  display: inline-flex;
  padding: 3px;
  gap: 2px;
  background: var(--surface-3);
  border-radius: 9px;
}
.segmented > label,
.segmented > button {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 30px;
  padding: 0 12px;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  transition: color 0.12s, background-color 0.12s;
}
.segmented > label:hover,
.segmented > button:hover { color: var(--text); }
.segmented input { position: absolute; opacity: 0; pointer-events: none; }
.segmented > .active,
.segmented > .active-custom,
.segmented > .active-kalvikadal,
.segmented > .active-kalvinesan {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08), 0 0 0 1px var(--border);
}
.segmented i { font-size: 12px; }
.segmented label:has(input:focus-visible) { outline: 2px solid var(--accent); outline-offset: 1px; }

/* ---------- Badges ---------- */

.auth-status-badge,
.module-meta-badge,
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 24px;
  padding: 0 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  background: var(--surface-2);
  color: var(--text-2);
  border: 1px solid var(--border);
}
.auth-status-badge i,
.module-meta-badge i,
.status-badge i { font-size: 10px; }

/* Leading dot replaces "fa-circle" style icons */
.auth-status-badge .fa-circle { font-size: 7px; }

.badge-connected, .wp-badge-connected, .badge-pdf-ready, .badge-wp-state-connected,
.status-badge-published, .status-badge-generated {
  background: var(--ok-soft); color: var(--ok); border-color: transparent;
}
.badge-disconnected, .wp-badge-disconnected, .badge-wp-state-disconnected, .status-badge-pending {
  background: var(--surface-2); color: var(--text-2);
}
.wp-badge-error, .badge-pdf-error, .status-badge-error {
  background: var(--err-soft); color: var(--err); border-color: transparent;
}
.badge-checking, .status-badge-processing, .status-badge-creating {
  background: var(--info-soft); color: var(--info); border-color: transparent;
}
.status-badge-draft { background: var(--warn-soft); color: var(--warn); border-color: transparent; }

.module-meta-badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.9;
}

/* ---------- Alerts ---------- */

.alert {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 11px 14px;
  border-radius: var(--radius);
  font-size: 13px;
  line-height: 1.45;
  border: 1px solid transparent;
}
.alert-icon { margin-top: 2px; font-size: 13px; flex-shrink: 0; }
.alert-content { min-width: 0; overflow-wrap: anywhere; }
.alert-content strong { margin-right: 4px; }
.alert-error { background: var(--err-soft); color: var(--err); }
.alert-success { background: var(--ok-soft); color: var(--ok); }
.alert-info { background: var(--info-soft); color: var(--info); }
.alert-warning { background: var(--warn-soft); color: var(--warn); }
.alert-content, .alert-content span { color: inherit; }

.card-body > .alert { margin-top: 18px; }

/* ---------- Google Sheets source ---------- */

.source-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
  gap: 24px;
  align-items: center;
  padding: 18px 24px;
}
.meta-item { min-width: 0; }
.meta-label {
  display: block;
  font-size: 12px;
  color: var(--text-3);
  margin-bottom: 3px;
}
.meta-value {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  min-width: 0;
}
.meta-value .sheet-name-text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sheet-external-link { font-size: 12.5px; font-weight: 500; white-space: nowrap; }
.sheet-external-link i { font-size: 10px; margin-left: 2px; }
.sheet-worksheet-badge { font-family: var(--mono); font-size: 13px; }

.sheet-status-text { display: inline-flex; align-items: center; gap: 6px; font-weight: 500; }
.sheet-status-text i { font-size: 11px; }
.status-connected { color: var(--ok); }
.status-loading, .status-checking { color: var(--text-2); }
.status-error { color: var(--err); }
.status-disconnected { color: var(--text-3); }

#sheetsAlertBanner { margin: 0 24px 20px; }

/* ---------- Local upload ---------- */

.upload-dropzone, .pdf-dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 4px;
  padding: 36px 24px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface-2);
  cursor: pointer;
  transition: border-color 0.12s, background-color 0.12s;
}
.upload-dropzone:hover, .pdf-dropzone:hover { border-color: var(--text-3); }
.upload-dropzone.dragover, .pdf-dropzone.dragover { border-color: var(--accent); background: var(--accent-soft); }

.dropzone-icon, .pdf-dropzone-icon {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-2);
  margin-bottom: 8px;
  font-size: 14px;
}
.dropzone-title, .pdf-dropzone p { font-weight: 500; font-size: 13.5px; color: var(--text); }
.dropzone-desc, .pdf-dropzone span { font-size: 12.5px; color: var(--text-3); max-width: 62ch; }

.column-map {
  margin-top: 16px;
  font-size: 12px;
  color: var(--text-3);
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
}
.column-map code { font-family: var(--mono); color: var(--text-2); margin-right: 4px; }

/* ---------- Publishing defaults strip ---------- */

.defaults-strip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px 24px;
  flex-wrap: wrap;
  padding: 14px 24px;
  margin-bottom: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.defaults-text h2 { font-size: 14px; font-weight: 600; letter-spacing: -0.01em; }
.defaults-text p { font-size: 12.5px; color: var(--text-3); margin-top: 1px; }
.defaults-fields { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.inline-field { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-2); }
.inline-field .form-control { width: auto; min-width: 112px; }

/* ---------- Publishing toolbar & stats ---------- */

.publishing-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 16px 24px;
}
.publishing-toolbar h2 { font-size: 15px; font-weight: 600; letter-spacing: -0.01em; }
.publishing-toolbar p { font-size: 13px; color: var(--text-2); margin-top: 2px; }
.publishing-actions-group { display: flex; gap: 8px; flex-wrap: wrap; }

.batch-summary-bar {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--border);
}
.stat-pill {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 14px 24px;
}
.stat-pill + .stat-pill { border-left: 1px solid var(--border); }
.stat-label { font-size: 12px; color: var(--text-3); }
.stat-val {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.text-pending { color: var(--text); }
.text-generated { color: var(--ok); }
.text-error { color: var(--err); }

/* ---------- Data table ---------- */

.sheet-table-wrapper { border-top: 1px solid var(--border); }
.table-header-info {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 24px;
  font-size: 12.5px;
  color: var(--text-2);
  border-bottom: 1px solid var(--border);
}
.table-tip { color: var(--text-3); }
.table-scroll { overflow: auto; max-height: 560px; }

.google-sheet-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 13px;
}
.google-sheet-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--surface-2);
  text-align: left;
  font-weight: 500;
  font-size: 12px;
  color: var(--text-2);
  padding: 9px 12px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.google-sheet-table th small { color: var(--text-3); font-family: var(--mono); font-size: 10.5px; margin-left: 4px; font-weight: 400; }
.google-sheet-table td {
  padding: 10px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  color: var(--text);
}
.google-sheet-table th:first-child, .google-sheet-table td:first-child { padding-left: 24px; }
.google-sheet-table th:last-child, .google-sheet-table td:last-child { padding-right: 24px; }
.google-sheet-table tbody tr:last-child td { border-bottom: 0; }
.google-sheet-table td:first-child { color: var(--text-3); font-family: var(--mono); font-size: 12px; }
.google-sheet-table tr.clickable-row { cursor: pointer; }
.google-sheet-table tbody tr:hover td { background: var(--surface-2); }
.google-sheet-table tr.active-inspect td { background: var(--accent-soft); }
.google-sheet-table tr.active-inspect td:first-child { box-shadow: inset 2px 0 0 var(--accent); }

.cell-title, .cell-author, .cell-category, .cell-slug, .cell-exam-board,
.cell-standard, .cell-subject, .cell-year, .cell-url, .cell-error {
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.cell-title { font-weight: 500; max-width: 240px; }
.cell-url { max-width: 160px; }
.cell-slug, .cell-url { font-family: var(--mono); font-size: 12px; color: var(--text-2); }
.cell-error { color: var(--err); max-width: 180px; }
.cell-year { font-variant-numeric: tabular-nums; }

.wp-url-link { display: inline-flex; align-items: center; gap: 6px; font-weight: 500; white-space: nowrap; font-size: 12.5px; }
.wp-url-link i { font-size: 10px; }

/* ---------- Output tabs ---------- */

.output-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 12px;
  padding: 0 24px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.tabs-nav { display: flex; gap: 20px; overflow-x: auto; overflow-y: hidden; scrollbar-width: none; margin-bottom: -1px; }
.tab-btn {
  padding: 16px 0 13px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-2);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--text); border-bottom-color: var(--text); }
.output-actions { display: flex; gap: 8px; padding: 10px 0; }

.tab-panel { display: none; padding: 20px 24px 24px; }
.tab-panel.active { display: block; }

.preview-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.preview-status { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--text-2); }
.status-indicator { width: 6px; height: 6px; border-radius: 50%; background: var(--ok); }

.preview-frame-container {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  overflow: auto;
}
#previewIframe, .tool-drive-iframe {
  width: 100%;
  height: 640px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  display: block;
  margin: 0 auto;
}
#drivePreviewFrameContainer { display: flex; justify-content: center; align-items: center; min-height: 520px; }
.drive-notice { padding: 48px 24px; text-align: center; color: var(--text-2); max-width: 420px; }
.drive-notice strong { display: block; color: var(--text); font-size: 15px; margin-bottom: 6px; }
.drive-notice .btn { margin-top: 16px; }

.code-editor-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-bottom: 0;
  border-radius: var(--radius) var(--radius) 0 0;
  font-size: 12.5px;
}
.file-tag { font-family: var(--mono); color: var(--text); }
.code-stats { color: var(--text-3); font-variant-numeric: tabular-nums; }
.code-textarea {
  display: block;
  width: 100%;
  min-height: 480px;
  padding: 16px;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0 0 var(--radius) var(--radius);
  resize: vertical;
  tab-size: 2;
}
.code-textarea:focus { outline: none; border-color: var(--border-strong); }

.metadata-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.meta-card {
  display: grid;
  grid-template-columns: 180px 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  min-width: 0;
}
.meta-card:nth-child(1) { border-right: 1px solid var(--border); }
.meta-card:last-child { border-bottom: 0; }
.meta-card.full-width { grid-column: 1 / -1; }
.metadata-grid .meta-card:not(.full-width) { grid-template-columns: 1fr auto; grid-template-rows: auto auto; }
.metadata-grid .meta-card:not(.full-width) .meta-card-label { grid-column: 1 / -1; }
.meta-card-label { font-size: 12.5px; color: var(--text-3); }
.meta-card-value { overflow-wrap: anywhere; min-width: 0; font-weight: 500; }
.meta-card-value.code-font { font-weight: 400; font-size: 12.5px; color: var(--text-2); }
.meta-card-footer { display: flex; gap: 6px; }

/* ---------- PDF watermark ---------- */

.pdf-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 24px;
  align-items: start;
}

.pdf-section { padding: 24px; }
.pdf-section + .pdf-section { border-top: 1px solid var(--border); }
.pdf-section-head { margin-bottom: 16px; }
.pdf-section-head h2 { font-size: 15px; font-weight: 600; letter-spacing: -0.01em; }
.pdf-section-head p { color: var(--text-2); font-size: 13px; margin-top: 2px; }

.pdf-files-chip-list { display: flex; flex-direction: column; gap: 6px; margin-top: 12px; }
.pdf-file-chip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}
.pdf-chip-info { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 4px; font-size: 13px; }
.pdf-chip-info > div:first-child { min-width: 0; }
.pdf-chip-info .fa-file-pdf { color: var(--text-3); }
.pdf-chip-name { min-width: 0; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pdf-chip-size { color: var(--text-3); font-size: 12px; font-variant-numeric: tabular-nums; white-space: nowrap; }
.pdf-chip-remove {
  width: 28px; height: 28px;
  border-radius: var(--radius-sm);
  color: var(--text-3);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.pdf-chip-remove:hover { color: var(--err); background: var(--err-soft); }

.badge-wm-checking, .badge-wm-clean, .badge-wm-detected, .badge-wm-warning {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px;
  padding-left: 22px;
}
.badge-wm-checking { color: var(--text-3); }
.badge-wm-clean { color: var(--ok); }
.badge-wm-detected { color: var(--info); }
.badge-wm-warning { color: var(--warn); }
.badge-wm-checking i, .badge-wm-clean i, .badge-wm-detected i, .badge-wm-warning i { font-size: 10px; }

.option-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  background: var(--surface-2);
}
.overlap-warning {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: var(--radius);
  background: var(--warn-soft);
  color: var(--warn);
  font-size: 12.5px;
}
.overlap-warning strong { display: block; font-size: 13px; margin-bottom: 2px; }
.overlap-warning p { color: var(--text-2); margin-bottom: 10px; }
.overlap-warning .check { color: var(--text); font-weight: 500; }
.overlap-warning .check input { accent-color: var(--warn); }

.typography-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.config-box {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}
.config-box-header { font-size: 13px; font-weight: 600; }
.mini-field-group { display: flex; flex-direction: column; gap: 6px; }
.mini-field-group.divided { border-top: 1px solid var(--border); padding-top: 12px; }

.style-toggles-row { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.color-input-wrapper {
  display: flex; align-items: center; gap: 8px;
  height: 32px;
  padding: 0 10px 0 4px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  min-width: 0;
}
.color-input-wrapper input[type='color'] {
  -webkit-appearance: none; appearance: none;
  width: 24px; height: 24px;
  border: 0; padding: 0; background: none; cursor: pointer;
}
.color-input-wrapper input[type='color']::-webkit-color-swatch-wrapper { padding: 0; }
.color-input-wrapper input[type='color']::-webkit-color-swatch { border: 1px solid var(--border); border-radius: 5px; }
.color-input-wrapper input[type='color']::-moz-color-swatch { border: 1px solid var(--border); border-radius: 5px; }
.color-hex-text { font-family: var(--mono); font-size: 12px; color: var(--text-2); }

.bi-btn-group { display: inline-flex; border: 1px solid var(--border-strong); border-radius: var(--radius); overflow: hidden; }
.bi-btn {
  width: 32px; height: 30px;
  font-size: 13px;
  color: var(--text-2);
  font-family: Georgia, 'Times New Roman', serif;
}
#btnPdfHeaderBold, #btnPdfCenterBold, #btnPdfFooterBold { font-weight: 700; }
#btnPdfHeaderItalic, #btnPdfCenterItalic, #btnPdfFooterItalic { font-style: italic; }
.bi-btn + .bi-btn { border-left: 1px solid var(--border-strong); }
.bi-btn:hover { background: var(--surface-2); color: var(--text); }
.bi-btn.active { background: var(--ink); color: var(--on-ink); }

.pdf-submit-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  background: var(--surface-2);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}
.pdf-submit-bar p { font-size: 12.5px; color: var(--text-3); }
#pdfAlertBanner { margin: 0 24px 20px; }

/* Preview column */
.pdf-preview-col { position: sticky; top: 80px; }
.pdf-preview-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}
.pdf-preview-head h2 { font-size: 13.5px; font-weight: 600; }
#pdfPresetIndicator { font-size: 12px; color: var(--text-3); }
.pdf-preview-stage { padding: 20px; background: var(--surface-2); }

.pdf-preview-canvas {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1.414;
  background: #fff;
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.06), 0 6px 20px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  /* faux body copy so placement reads at a glance */
  background-image: repeating-linear-gradient(to bottom, transparent 0 14px, #eef0f2 14px 18px);
  background-size: calc(100% - 64px) calc(100% - 180px);
  background-position: 32px 90px;
  background-repeat: no-repeat;
}
.pdf-canvas-header, .pdf-canvas-footer {
  position: absolute;
  left: 0; right: 0;
  text-align: center;
  padding: 0 16px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.2;
}
.pdf-canvas-center {
  position: absolute;
  top: 50%; left: 50%;
  translate: -50% -50%;
  white-space: nowrap;
  pointer-events: none;
  line-height: 1;
}
.pdf-canvas-link-badge {
  position: absolute;
  right: 8px; top: 8px;
  display: flex; align-items: center; gap: 6px;
  padding: 3px 8px;
  max-width: calc(100% - 16px);
  border-radius: 999px;
  background: rgba(23, 23, 26, 0.85);
  color: #fff;
  font-size: 10.5px;
  font-family: var(--mono);
}
.pdf-preview-caption { padding: 12px 16px; font-size: 12px; color: var(--text-3); border-top: 1px solid var(--border); }

/* ---------- Login ---------- */

.auth-body { min-height: 100vh; display: flex; flex-direction: column; }
.auth-main {
  flex: 1;
  display: grid;
  place-items: center;
  padding: 48px 16px;
}
.auth-panel { width: 100%; max-width: 380px; }
.auth-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 32px; font-weight: 600; }
.auth-brand img { width: 28px; height: 28px; border-radius: 7px; }
.auth-panel h1 { font-size: 22px; font-weight: 600; letter-spacing: -0.02em; }
.auth-panel > p { color: var(--text-2); margin-top: 6px; margin-bottom: 28px; }
.auth-panel .alert { margin-top: 18px; }
.auth-panel .btn { margin-top: 24px; }
.auth-foot { text-align: center; padding: 20px; font-size: 12px; color: var(--text-3); }

/* Redirect splash */
.splash { min-height: 100vh; display: grid; place-items: center; color: var(--text-3); font-size: 13px; }

/* ---------- Icons ---------- */

.fa-spin { animation-duration: 0.9s; }

/* ---------- Responsive ---------- */

@media (max-width: 1100px) {
  .pdf-layout { grid-template-columns: 1fr; }
  .pdf-preview-col { position: static; order: -1; max-width: 420px; width: 100%; margin: 0 auto; }
  .typography-grid { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .source-meta { grid-template-columns: 1fr 1fr; }
  .batch-summary-bar { grid-template-columns: repeat(3, 1fr); }
  .stat-pill:nth-child(4) { border-left: 0; }
  .stat-pill:nth-child(n+4) { border-top: 1px solid var(--border); }
  .metadata-grid { grid-template-columns: 1fr; }
  .meta-card:nth-child(1) { border-right: 0; }
  .meta-card { grid-template-columns: 1fr auto; }
  .meta-card .meta-card-label { grid-column: 1 / -1; }
}

@media (max-width: 680px) {
  .header-inner { padding: 0 16px; gap: 16px; }
  .brand > span { display: none; }
  .primary-nav a { padding: 0 6px; font-size: 13px; }
  .pdf-preview-canvas { max-width: 260px; margin: 0 auto; }
  .header-actions .btn-label { display: none; }
  .main-container { padding: 24px 16px 48px; }
  .card-header, .card-body, .pdf-section, .publishing-toolbar, .source-meta { padding-left: 16px; padding-right: 16px; }
  .card-footer, .pdf-submit-bar { padding: 14px 16px; }
  .field-row { grid-template-columns: 1fr; }
  .field-row .field + .field { margin-top: 18px; }
  .source-meta { grid-template-columns: 1fr; gap: 14px; }
  .defaults-strip { padding: 14px 16px; }
  .defaults-fields { width: 100%; }
  .inline-field { flex: 1; }
  .inline-field .form-control { flex: 1; min-width: 0; }
  .output-header { padding: 0 16px; }
  .tab-panel { padding: 16px; }
  .footer-content { flex-direction: column; padding: 14px 16px; }
  .page-head-aside { width: 100%; }
  .segmented { max-width: 100%; overflow-x: auto; }
  .google-sheet-table th:first-child, .google-sheet-table td:first-child { padding-left: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation-duration: 0.01ms !important; }
}