/* ==========================================================================
   Signature & Initials Studio Styling
   ========================================================================== */

/* Subnav: Full Signature vs Initials */
.studio-subnav {
  display: flex;
  background: var(--bg-surface-elevated);
  border-radius: var(--radius-md);
  padding: 3px;
  margin-bottom: 14px;
}

.subnav-btn {
  flex: 1;
  padding: 7px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
}

.subnav-btn.active {
  background: var(--accent-primary);
  color: #ffffff;
}

/* Creation Methods (Draw, Type, Upload) */
.creation-methods {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.method-btn {
  flex: 1;
  padding: 8px 4px;
  border: 1px solid var(--border-color);
  background: var(--bg-surface-elevated);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: var(--transition-fast);
}

.method-btn:hover {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
}

.method-btn.active {
  border-color: var(--accent-primary);
  background: var(--accent-primary-glow);
  color: var(--accent-primary);
}

.method-panel {
  display: none;
  flex-direction: column;
}

.method-panel.active {
  display: flex;
}

/* DRAW METHOD */
.signature-canvas-wrapper {
  position: relative;
  background: #ffffff;
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 10px;
  box-shadow: var(--shadow-sm);
}

#signature-draw-canvas {
  display: block;
  width: 100%;
  height: 150px;
  cursor: crosshair;
}

.canvas-hint {
  position: absolute;
  bottom: 20px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 0.72rem;
  color: #cbd5e1;
  pointer-events: none;
  border-bottom: 1px dashed #e2e8f0;
  padding-bottom: 4px;
  margin: 0 20px;
}

.draw-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.color-palette {
  display: flex;
  gap: 6px;
}

.color-dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition-fast);
}

.color-dot.active {
  transform: scale(1.15);
  border-color: #ffffff;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.4);
}

.btn-group-end {
  display: flex;
  gap: 6px;
}

/* TYPE METHOD */
.form-group {
  margin-bottom: 12px;
}

.form-group label, .form-label-sm {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 8px 12px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.88rem;
  font-family: var(--font-main);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px var(--accent-primary-glow);
}

.font-styles-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 14px;
}

.font-option-card {
  background: #ffffff;
  color: #0f172a;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  transition: var(--transition-fast);
}

.font-option-card:hover {
  border-color: var(--accent-primary);
}

.font-option-card.active {
  border-color: var(--accent-primary);
  background: #f0fdf4;
  box-shadow: 0 0 10px var(--accent-primary-glow);
}

.font-preview {
  font-size: 1.35rem;
  line-height: 1.2;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.font-name {
  font-size: 0.65rem;
  font-weight: 600;
  color: #64748b;
  font-family: var(--font-main);
}

/* UPLOAD METHOD */
.sig-upload-box {
  background: var(--bg-surface-elevated);
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px 16px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition-fast);
  margin-bottom: 10px;
}

.sig-upload-box:hover {
  border-color: var(--accent-primary);
  background: var(--bg-surface-hover);
}

.sig-upload-box i {
  font-size: 1.75rem;
  color: var(--accent-primary);
  margin-bottom: 8px;
}

.sig-upload-box p {
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.subtext {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.sig-upload-preview {
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.sig-upload-preview img {
  max-height: 50px;
  max-width: 80%;
  object-fit: contain;
}

.checkbox-control {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.signature-save-bar {
  margin-top: auto;
  padding-top: 14px;
}

/* ==========================================================================
   TAB 2: Placement & Presets
   ========================================================================== */
.preset-positions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-bottom: 12px;
}

.preset-btn {
  padding: 8px 4px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.preset-btn:hover {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
}

.preset-btn.active {
  border-color: var(--accent-primary);
  background: var(--accent-primary-glow);
  color: var(--accent-primary);
}

.sync-card {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px;
}

.switch-control {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.switch-control input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent-primary);
}

.switch-text {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
}

.slider-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
}

#sig-width-slider {
  width: 100%;
  accent-color: var(--accent-primary);
}

/* ==========================================================================
   TAB 3: Page Scope & Rules
   ========================================================================== */
.page-scope-selector {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.radio-card {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
}

.radio-card:hover {
  border-color: var(--text-muted);
}

.radio-card.active {
  border-color: var(--accent-primary);
  background: var(--accent-primary-glow);
}

.radio-card input {
  margin-top: 3px;
  accent-color: var(--accent-primary);
}

.radio-info {
  display: flex;
  flex-direction: column;
}

.radio-info strong {
  font-size: 0.82rem;
  color: var(--text-primary);
}

.radio-info span {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.page-rules-list-container {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.rules-header {
  padding: 10px 12px;
  background: var(--bg-base);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.page-rules-scroll {
  max-height: 220px;
  overflow-y: auto;
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-rule-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  font-size: 0.78rem;
}

.page-rule-row:hover {
  background: var(--bg-surface-hover);
}

.page-rule-check-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.page-rule-select {
  padding: 4px 8px;
  border-radius: 4px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 0.75rem;
}