/* ============================================
   Pixia - Sign PDF studio (sign.html)
   Complements css/ai-tool.css (.at-* primitives).
   Scope: body.at-sign        Accent: indigo
   Create / place / resize signature, initials and
   date stamps on any page, then export a signed PDF.
   ============================================ */

body.at-sign {
  --sg-accent: #6366f1;
  --sg-accent-2: #8b5cf6;
  --sg-accent-ink: #ffffff;
  --sg-ok: #10b981;
  --sg-warn: #f59e0b;
  --sg-err: #ef4444;
  --sg-line: var(--glass-border);
  --sg-line-strong: var(--glass-border-hover);
  --sg-paper: #ffffff;
}

/* ============================================================
   Shared bits
   ============================================================ */
.sg-hidden { display: none !important; }

.sg-icon { width: 18px; height: 18px; flex: 0 0 auto; }

.sg-tool { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 22px; align-items: start; }

body.at-sign .at-btn svg { width: 18px; height: 18px; }
body.at-sign .at-btn { background: linear-gradient(135deg, var(--sg-accent), var(--sg-accent-2)); box-shadow: 0 16px 34px -18px rgba(99, 102, 241, .85); }
body.at-sign .at-btn-download { background: linear-gradient(135deg, #ff9800, #ffc947); color: #1b1408; box-shadow: 0 16px 34px -18px rgba(255, 152, 0, .95); }

/* small pill button used across toolbars */
.sg-mini {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 34px;
  height: 34px;
  padding: 0 11px;
  border-radius: 10px;
  border: 1px solid var(--sg-line);
  background: var(--glass-bg);
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: color .18s var(--at-ease), border-color .18s var(--at-ease), background .18s var(--at-ease);
}
.sg-mini:hover:not([disabled]) { color: var(--text-primary); border-color: var(--sg-line-strong); background: var(--bg-card-hover); }
.sg-mini[disabled] { opacity: .45; cursor: not-allowed; }
.sg-mini svg { width: 16px; height: 16px; }
.sg-mini.solid { background: var(--sg-accent); border-color: var(--sg-accent); color: var(--sg-accent-ink); }
.sg-mini.solid:hover:not([disabled]) { background: var(--sg-accent-2); border-color: var(--sg-accent-2); }

/* ============================================================
   1. Input panel
   ============================================================ */
#sgInput .sg-intro { margin: 0 0 18px; font-size: 13px; line-height: 1.65; color: var(--text-tertiary); max-width: 64ch; }

.sg-drop {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
  padding: 44px 22px;
  border: 1.6px dashed var(--sg-line-strong);
  border-radius: var(--at-radius-lg);
  background: var(--glass-bg);
  cursor: pointer;
  transition: border-color .2s var(--at-ease), background .2s var(--at-ease), transform .2s var(--at-ease);
}
.sg-drop:hover { border-color: var(--sg-accent); }
.sg-drop.drag {
  border-color: var(--sg-accent);
  background: color-mix(in srgb, var(--sg-accent) 10%, var(--glass-bg));
  transform: scale(1.006);
}
.sg-drop input { position: absolute; inset: 0; opacity: 0; pointer-events: none; }

.sg-drop-icon {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  border-radius: 16px;
  background: color-mix(in srgb, var(--sg-accent) 16%, transparent);
  color: var(--sg-accent);
  margin-block-end: 4px;
}
.sg-drop-icon svg { width: 28px; height: 28px; }
.sg-drop-title { font-family: var(--font-display); font-size: 1.06rem; font-weight: 600; color: var(--text-primary); }
.sg-drop-sub { font-size: 13px; color: var(--text-tertiary); max-width: 48ch; line-height: 1.6; }
.sg-drop-cta {
  margin-block-start: 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--sg-accent), var(--sg-accent-2));
  color: var(--sg-accent-ink);
  font-weight: 700;
  font-size: 14px;
  box-shadow: 0 14px 30px -18px rgba(99, 102, 241, .95);
}
.sg-drop-cta svg { width: 17px; height: 17px; }

/* ---------- Queued files ---------- */
.sg-files { display: grid; gap: 10px; margin-block-start: 18px; }

.sg-file {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) auto;
  align-items: center;
  gap: 13px;
  padding: 12px 14px;
  border: 1px solid var(--sg-line);
  border-radius: var(--at-radius-md);
  background: var(--bg-card);
}
.sg-file.is-active { border-color: var(--sg-accent); box-shadow: 0 0 0 2px color-mix(in srgb, var(--sg-accent) 20%, transparent); }

.sg-file-thumb {
  position: relative;
  width: 52px; height: 66px;
  border-radius: 8px;
  overflow: hidden;
  background:
    repeating-conic-gradient(rgba(128, 128, 128, .18) 0% 25%, transparent 0% 50%) 50% / 14px 14px,
    var(--bg-tertiary);
  border: 1px solid var(--sg-line);
  display: grid; place-items: center;
}
.sg-file-thumb img { max-width: 100%; max-height: 100%; display: block; object-fit: contain; }
.sg-file-thumb svg { width: 22px; height: 22px; color: var(--text-muted); }

.sg-file-info { min-width: 0; display: grid; gap: 3px; }
.sg-file-name { font-size: 14px; font-weight: 600; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sg-file-meta { font-size: 12px; color: var(--text-tertiary); display: flex; align-items: center; gap: 7px; flex-wrap: wrap; font-variant-numeric: tabular-nums; }
.sg-file-status { font-size: 12px; font-weight: 600; }
.sg-file-status.is-ready { color: var(--sg-ok); }
.sg-file-status.is-reading { color: var(--text-tertiary); }
.sg-file-status.is-error { color: var(--sg-err); }
.sg-file-actions { display: flex; gap: 8px; align-items: center; }

@media (max-width: 560px) {
  .sg-file { grid-template-columns: 44px minmax(0, 1fr); }
  .sg-file-thumb { width: 44px; height: 56px; }
  .sg-file-actions { grid-column: 1 / -1; }
}

/* ---------- Settings ---------- */
.sg-settings { margin-block-start: 20px; display: grid; gap: 14px; }
.sg-field { display: grid; gap: 8px; }
.sg-label { font-size: 12.5px; font-weight: 600; letter-spacing: .02em; color: var(--text-secondary); }
.sg-subhint { font-size: 11.5px; color: var(--text-muted); line-height: 1.5; }
.sg-input {
  width: 100%;
  padding: 11px 13px;
  border-radius: var(--at-radius-md);
  border: 1px solid var(--sg-line);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14px;
  transition: border-color .16s var(--at-ease), box-shadow .16s var(--at-ease);
}
.sg-input:focus { outline: none; border-color: var(--sg-accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--sg-accent) 22%, transparent); }

.sg-switches { display: grid; gap: 10px; }
body.at-sign .at-switch { align-items: flex-start; }
.sg-switch-text { display: grid; gap: 2px; }
.sg-switch-text b { font-size: 13.5px; font-weight: 600; color: var(--text-primary); }
.sg-switch-text span { font-size: 11.5px; color: var(--text-muted); line-height: 1.5; }

#sgInput .at-actions { grid-template-columns: minmax(0, 1fr) auto; }
#sgInput .at-actions .at-progress { grid-column: 1 / -1; }
@media (max-width: 560px) { #sgInput .at-actions { grid-template-columns: 1fr; } }

.sg-progress-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-block-start: 8px; }
.sg-progress-row .at-progress-msg { flex: 1 1 auto; min-width: 0; margin: 0; }
body.at-sign .at-progress-fill { background: linear-gradient(90deg, var(--sg-accent), var(--sg-accent-2)); }

/* ============================================================
   2. Workspace shell
   ============================================================ */
/* Left column = live preview (sticky); right column = upload + controls. */
.sg-workspace {
  display: grid;
  gap: 18px;
  position: sticky;
  inset-block-start: 84px;
  align-self: start;
}
.sg-side { display: grid; gap: 16px; }

@media (max-width: 1080px) {
  .sg-tool { grid-template-columns: 1fr; }
  .sg-workspace { position: static; }
}

.sg-panel { min-height: 0; }
body.at-sign .sg-side .at-panel + .at-panel { margin-block-start: 0; }
.sg-panel h2 { display: flex; align-items: center; gap: 9px; }
.sg-panel h2 svg { width: 17px; height: 17px; color: var(--sg-accent); }

/* ============================================================
   3. Top toolbar
   ============================================================ */
.sg-topbar {
  position: sticky;
  inset-block-start: 72px;
  z-index: 30;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--at-radius-lg);
  border: 1px solid var(--sg-line);
  background: color-mix(in srgb, var(--bg-primary) 82%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--at-shadow);
}

.sg-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  max-width: 260px;
  padding: 6px 11px;
  border-radius: 999px;
  border: 1px solid var(--sg-line);
  background: var(--glass-bg);
  font-size: 12.5px;
  color: var(--text-secondary);
}
.sg-chip svg { width: 15px; height: 15px; color: var(--sg-accent); flex: 0 0 auto; }
.sg-chip span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.sg-nav-group, .sg-zoom { display: inline-flex; align-items: center; gap: 4px; padding: 3px; border-radius: 999px; border: 1px solid var(--sg-line); background: var(--glass-bg); }
.sg-nav-group .sg-mini, .sg-zoom .sg-mini { border: 0; background: transparent; min-width: 30px; height: 30px; padding: 0 7px; border-radius: 999px; }
.sg-page-ind { min-width: 74px; text-align: center; font-size: 12.5px; font-weight: 600; color: var(--text-secondary); font-variant-numeric: tabular-nums; }
.sg-zoom-val { min-width: 46px; text-align: center; font-size: 12.5px; font-weight: 600; color: var(--text-secondary); font-variant-numeric: tabular-nums; }
.sg-topbar .sg-spacer { margin-inline-start: auto; }

/* ============================================================
   4. Page stage
   ============================================================ */
.sg-stage {
  position: relative;
  height: calc(100vh - 260px);
  min-height: 320px;
  overflow: auto;
  display: grid;
  place-items: start center;
  padding: 20px;
  border-radius: var(--at-radius-lg);
  border: 1px solid var(--sg-line);
  background:
    repeating-conic-gradient(rgba(128, 128, 128, .14) 0% 25%, transparent 0% 50%) 50% / 22px 22px,
    var(--bg-tertiary);
}

.sg-page-wrap {
  position: relative;
  background: var(--sg-paper);
  border-radius: 4px;
  box-shadow: 0 20px 46px -26px rgba(0, 0, 0, .7);
  line-height: 0;
}
.sg-page-wrap canvas { display: block; border-radius: 4px; }

.sg-stage-empty {
  display: grid;
  place-items: center;
  gap: 12px;
  padding: 60px 22px;
  text-align: center;
  color: var(--text-tertiary);
  font-size: 13.5px;
}
.sg-stage-empty svg { width: 42px; height: 42px; color: var(--text-muted); }

/* stamp overlay */
.sg-overlay { position: absolute; inset: 0; user-select: none; -webkit-user-select: none; }

/* file picker in the top toolbar when several PDFs are queued */
.sg-file-sel {
  min-width: 120px;
  max-width: 230px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--sg-line);
  background: var(--glass-bg);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 12.5px;
  color-scheme: light dark;
}
.sg-file-sel option { color: var(--text-primary); background-color: var(--bg-secondary); }

.sg-stamp {
  position: absolute;
  cursor: move;
  touch-action: none;
  outline: 1px solid transparent;
  border-radius: 3px;
  transition: outline-color .12s var(--at-ease);
}
.sg-stamp img {
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
  -webkit-user-drag: none;
  user-drag: none;
  -webkit-user-select: none;
  user-select: none;
}
.sg-stamp:hover { outline-color: color-mix(in srgb, var(--sg-accent) 55%, transparent); }
.sg-stamp.is-selected {
  outline: 1.5px solid var(--sg-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--sg-accent) 22%, transparent);
}
.sg-stamp.is-dragging { opacity: .9; }

.sg-stamp-handle {
  position: absolute;
  inset-block-end: -7px;
  inset-inline-end: -7px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid #fff;
  background: var(--sg-accent);
  box-shadow: 0 2px 6px rgba(0, 0, 0, .4);
  cursor: nwse-resize;
  touch-action: none;
  display: none;
}
.sg-stamp.is-selected .sg-stamp-handle { display: block; }

.sg-stamp-del {
  position: absolute;
  inset-block-start: -11px;
  inset-inline-end: -11px;
  width: 22px;
  height: 22px;
  display: none;
  place-items: center;
  border-radius: 50%;
  border: 2px solid #fff;
  background: var(--sg-err);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, .4);
}
.sg-stamp.is-selected .sg-stamp-del { display: grid; }
.sg-stamp-del svg { width: 12px; height: 12px; }

.sg-stage.is-placing { cursor: copy; }
.sg-stage.is-placing .sg-stamp { cursor: copy; }

.sg-page-hint {
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ============================================================
   5. Sidebar: assets
   ============================================================ */
.sg-assets { display: grid; gap: 9px; margin-block-start: 12px; }
.sg-asset {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr) auto;
  align-items: center;
  gap: 11px;
  padding: 9px 11px;
  border-radius: var(--at-radius-md);
  border: 1px solid var(--sg-line);
  background: var(--glass-bg);
  cursor: pointer;
  transition: border-color .16s var(--at-ease), background .16s var(--at-ease);
}
.sg-asset:hover { border-color: var(--sg-line-strong); background: var(--bg-card-hover); }
.sg-asset.is-active { border-color: var(--sg-accent); box-shadow: 0 0 0 2px color-mix(in srgb, var(--sg-accent) 22%, transparent); }

.sg-asset-thumb {
  width: 62px; height: 42px;
  display: grid; place-items: center;
  border-radius: 8px;
  overflow: hidden;
  background:
    repeating-conic-gradient(rgba(128, 128, 128, .16) 0% 25%, transparent 0% 50%) 50% / 12px 12px,
    var(--bg-tertiary);
  border: 1px solid var(--sg-line);
}
.sg-asset-thumb img { max-width: 100%; max-height: 100%; display: block; object-fit: contain; }
.sg-asset-info { min-width: 0; display: grid; gap: 2px; }
.sg-asset-name { font-size: 13px; font-weight: 600; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sg-asset-kind { font-size: 11px; color: var(--text-tertiary); }
.sg-asset-actions { display: flex; gap: 5px; }

.sg-asset-add, .sg-asset-del {
  display: grid;
  place-items: center;
  width: 30px; height: 30px;
  border-radius: 9px;
  border: 1px solid var(--sg-line);
  background: var(--glass-bg);
  color: var(--text-secondary);
  cursor: pointer;
  transition: color .16s var(--at-ease), border-color .16s var(--at-ease);
}
.sg-asset-add:hover { color: var(--sg-accent); border-color: var(--sg-accent); }
.sg-asset-del:hover { color: var(--sg-err); border-color: var(--sg-err); }
.sg-asset-add svg, .sg-asset-del svg { width: 15px; height: 15px; }

.sg-create-row { margin-block-start: 12px; display: grid; gap: 9px; }
.sg-create-row .sg-mini { width: 100%; height: 42px; font-size: 13.5px; }

.sg-empty-note { margin: 0; font-size: 12.5px; line-height: 1.6; color: var(--text-muted); }

/* ---------- Placement controls ---------- */
.sg-place-controls { display: grid; gap: 12px; margin-block-start: 12px; }
.sg-place-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.sg-place-row .sg-mini { flex: 1 1 auto; }
.sg-range-field { display: grid; gap: 7px; }
.sg-range-field .sg-label { display: flex; justify-content: space-between; }
.sg-range-field output { color: var(--text-tertiary); font-variant-numeric: tabular-nums; }

/* ---------- Page navigator ---------- */
.sg-navgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(64px, 1fr)); gap: 9px; max-height: 360px; overflow-y: auto; padding: 2px; margin-block-start: 12px; }
.sg-navcard {
  position: relative;
  padding: 5px 4px 6px;
  border-radius: 10px;
  border: 1.5px solid var(--sg-line);
  background: var(--glass-bg);
  cursor: pointer;
  text-align: center;
  transition: border-color .16s var(--at-ease), transform .16s var(--at-ease);
}
.sg-navcard:hover { transform: translateY(-2px); border-color: var(--sg-line-strong); }
.sg-navcard.is-active { border-color: var(--sg-accent); box-shadow: 0 0 0 2px color-mix(in srgb, var(--sg-accent) 30%, transparent); }
.sg-nav-card-thumb {
  height: 60px;
  display: grid;
  place-items: center;
  border-radius: 6px;
  overflow: hidden;
  background:
    repeating-conic-gradient(rgba(128, 128, 128, .16) 0% 25%, transparent 0% 50%) 50% / 12px 12px,
    var(--bg-tertiary);
}
.sg-nav-card-thumb img { max-width: 100%; max-height: 100%; display: block; }
.sg-nav-card-thumb .sg-nav-ph { font-size: 15px; font-weight: 700; color: var(--text-muted); }
.sg-nav-num { display: block; margin-block-start: 4px; font-size: 10.5px; font-weight: 600; color: var(--text-tertiary); font-variant-numeric: tabular-nums; }
.sg-nav-sign {
  position: absolute;
  inset-block-start: 4px;
  inset-inline-end: 4px;
  width: 16px; height: 16px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--sg-accent);
  color: #fff;
  box-shadow: 0 0 0 2px var(--bg-card);
}
.sg-nav-sign svg { width: 9px; height: 9px; }

/* ---------- Summary ---------- */
.sg-rows { display: grid; gap: 2px; margin-block-start: 6px; }
.sg-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 9px 2px; font-size: 13px; }
.sg-row + .sg-row { border-block-start: 1px solid var(--sg-line); }
.sg-row-k { display: flex; align-items: center; gap: 8px; color: var(--text-secondary); }
.sg-row-k svg { width: 15px; height: 15px; color: var(--text-muted); }
.sg-row-v { font-weight: 700; color: var(--text-primary); font-variant-numeric: tabular-nums; }

/* ---------- Run area ---------- */
.sg-run-btn { width: 100%; padding: 15px 22px; font-size: 15.5px; }
.sg-run-panel { background: linear-gradient(180deg, color-mix(in srgb, var(--sg-accent) 7%, transparent), transparent 60%), var(--bg-card); }
.sg-run-panel .at-actions { grid-template-columns: 1fr; }

.sg-result { display: grid; gap: 14px; }
.sg-success {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 13px 14px;
  border-radius: var(--at-radius-md);
  border: 1px solid color-mix(in srgb, var(--sg-ok) 45%, transparent);
  background: color-mix(in srgb, var(--sg-ok) 10%, transparent);
  margin-top: 10px;
}
.sg-success-icon { flex: 0 0 auto; width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; background: var(--sg-ok); color: #fff; }
.sg-success-icon svg { width: 17px; height: 17px; }
.sg-success-body { display: grid; gap: 3px; }
.sg-success-title { font-size: 14px; font-weight: 700; color: var(--text-primary); }
.sg-success-desc { font-size: 12.5px; color: var(--text-secondary); line-height: 1.5; }
.sg-result-actions { display: grid; gap: 9px; }

.sg-keys-hint { margin: 12px 0 0; font-size: 11.5px; line-height: 1.6; color: var(--text-muted); text-align: center; }

/* ============================================================
   6. Signature creator modal
   ============================================================ */
.sg-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1400;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 22px;
  background: rgba(0, 0, 0, .62);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.sg-modal-overlay.show { display: flex; }

.sg-modal {
  width: min(96vw, 620px);
  max-height: 92vh;
  overflow-y: auto;
  padding: 22px;
  border-radius: var(--at-radius-lg);
  border: 1px solid var(--sg-line);
  background: var(--bg-card);
  box-shadow: 0 40px 90px -40px rgba(0, 0, 0, .85);
}
.sg-modal-head { display: flex; align-items: flex-start; gap: 12px; margin-block-end: 16px; }
.sg-modal-head h3 { margin: 0; font-family: var(--font-display); font-size: 1.15rem; font-weight: 700; color: var(--text-primary); }
.sg-modal-head p { margin: 4px 0 0; font-size: 12.5px; color: var(--text-tertiary); line-height: 1.5; }
.sg-modal-close {
  margin-inline-start: auto;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 36px; height: 36px;
  border-radius: 10px;
  border: 1px solid var(--sg-line);
  background: var(--glass-bg);
  color: var(--text-secondary);
  cursor: pointer;
}
.sg-modal-close:hover { color: var(--text-primary); border-color: var(--sg-line-strong); }
.sg-modal-close svg { width: 18px; height: 18px; }

.sg-tabs { display: flex; flex-wrap: wrap; gap: 6px; padding: 5px; border-radius: 999px; border: 1px solid var(--sg-line); background: var(--glass-bg); margin-block-end: 18px; }
.sg-tab {
  flex: 1 1 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px 14px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all .18s var(--at-ease);
}
.sg-tab svg { width: 16px; height: 16px; }
.sg-tab:hover { color: var(--text-primary); }
.sg-tab.active { background: var(--sg-accent); color: var(--sg-accent-ink); }

.sg-panel-tab { display: none; }
.sg-panel-tab.active { display: block; }

.sg-canvas-wrap {
  position: relative;
  border-radius: var(--at-radius-md);
  border: 1.5px dashed var(--sg-line-strong);
  background: var(--sg-paper);
  overflow: hidden;
  touch-action: none;
}
.sg-canvas-wrap canvas { display: block; width: 100%; height: 170px; touch-action: none; }
.sg-canvas-hint { position: absolute; inset-block-start: 10px; inset-inline-start: 14px; font-size: 12px; color: #94a3b8; pointer-events: none; }

.sg-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-block-start: 14px; }
.sg-tool-group { display: flex; align-items: center; gap: 8px; }
.sg-tool-group label { font-size: 12.5px; font-weight: 600; color: var(--text-secondary); }
.sg-tool-group input[type="color"] {
  width: 38px; height: 30px;
  padding: 0;
  border: 1px solid var(--sg-line);
  border-radius: 8px;
  background: var(--glass-bg);
  cursor: pointer;
}
.sg-tool-group input[type="range"] { width: 110px; accent-color: var(--sg-accent); }

.sg-type-controls, .sg-date-controls { display: grid; gap: 14px; }
.sg-type-controls .sg-input, .sg-date-controls .sg-input { font-size: 15px; }
.sg-font-select {
  width: 100%;
  padding: 11px 13px;
  border-radius: var(--at-radius-md);
  border: 1px solid var(--sg-line);
  background: var(--glass-bg);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 15px;
  color-scheme: light dark;
}
.sg-font-select option { color: var(--text-primary); background-color: var(--bg-secondary); }

.sg-upload-area {
  display: grid;
  place-items: center;
  gap: 10px;
  padding: 30px 20px;
  border-radius: var(--at-radius-md);
  border: 1.5px dashed var(--sg-line-strong);
  background: var(--glass-bg);
  text-align: center;
  cursor: pointer;
}
.sg-upload-area:hover { border-color: var(--sg-accent); }
.sg-upload-area svg { width: 34px; height: 34px; color: var(--text-muted); }
.sg-upload-area p { margin: 0; font-size: 13px; color: var(--text-tertiary); }
.sg-upload-area input[type="file"] { display: none; }
.sg-upload-preview { max-width: 200px; max-height: 80px; margin-block-start: 4px; display: none; }

.sg-modal-preview {
  margin-block-start: 18px;
  padding: 16px;
  border-radius: var(--at-radius-md);
  border: 1px solid var(--sg-line);
  background:
    repeating-conic-gradient(rgba(128, 128, 128, .14) 0% 25%, transparent 0% 50%) 50% / 16px 16px,
    var(--bg-secondary);
  min-height: 96px;
  display: grid;
  place-items: center;
}
.sg-modal-preview img { max-height: 190px; max-width: 100%; display: none; }
.sg-modal-preview img.show { display: block; }
.sg-modal-preview .sg-preview-empty { font-size: 12.5px; color: var(--text-muted); }
.sg-modal-preview.has-img .sg-preview-empty { display: none; }

.sg-modal-actions { margin-block-start: 20px; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 10px; }
.sg-modal-actions .at-btn { justify-self: stretch; }

@media (max-width: 560px) {
  .sg-modal { padding: 18px; }
  .sg-tab span { display: none; }
}

/* ============================================================
   7. Empty / state
   ============================================================ */
.sg-state {
  display: grid;
  place-items: center;
  gap: 10px;
  padding: 48px 22px;
  text-align: center;
  border-radius: var(--at-radius-lg);
  border: 1px dashed var(--sg-line-strong);
  background: var(--glass-bg);
  color: var(--text-tertiary);
}
.sg-state svg { width: 44px; height: 44px; color: var(--text-muted); }
.sg-state b { font-family: var(--font-display); font-size: 1.05rem; color: var(--text-primary); }
.sg-state p { margin: 0; font-size: 13px; max-width: 46ch; line-height: 1.6; }

/* ============================================================
   8. Responsive / RTL / motion
   ============================================================ */
@media (max-width: 820px) {
  .sg-topbar { position: static; }
  .sg-topbar .sg-spacer { margin-inline-start: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .sg-drop, .sg-stamp, .sg-navcard, .sg-asset { transition: none !important; }
}