/* ── E-Signature Styles ── */

/* Modal overlay */
.sig-modal-overlay,
.sig-picker-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}
.sig-modal {
  background: var(--bg-secondary, #1c1c1e);
  border-radius: 16px;
  width: 90%;
  max-width: 540px;
  max-height: 80vh;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}
.sig-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color, #333);
}
.sig-modal-header h3 {
  margin: 0;
  font-size: 18px;
}
.sig-modal-close {
  background: none;
  border: none;
  color: var(--text-secondary, #999);
  font-size: 20px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 8px;
}
.sig-modal-close:hover {
  background: var(--bg-hover, #333);
}
.sig-modal-body {
  padding: 16px 20px;
  overflow-y: auto;
  max-height: calc(80vh - 60px);
}

/* Tabs */
.sig-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  background: var(--bg-tertiary, #2c2c2e);
  border-radius: 10px;
  padding: 3px;
}
.sig-tab {
  flex: 1;
  padding: 8px 12px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text-secondary, #999);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.sig-tab.active {
  background: var(--bg-secondary, #3a3a3c);
  color: var(--text-primary, #fff);
}
.sig-tab:hover:not(.active) {
  color: var(--text-primary, #ccc);
}

/* Drawing canvas */
.sig-draw-container {
  text-align: center;
}
.sig-draw-canvas {
  width: 100%;
  max-width: 500px;
  height: 200px;
  border: 2px dashed var(--border-color, #444);
  border-radius: 12px;
  background: var(--bg-primary, #fff);
  cursor: crosshair;
  touch-action: none;
}
.sig-draw-hint {
  font-size: 12px;
  color: var(--text-secondary, #666);
  margin: 8px 0 12px;
}

/* Type signature */
.sig-type-container {
  text-align: center;
}
.sig-type-input {
  width: 100%;
  padding: 12px 16px;
  font-size: 18px;
  background: var(--bg-tertiary, #2c2c2e);
  border: 1px solid var(--border-color, #444);
  border-radius: 10px;
  color: var(--text-primary, #fff);
  margin-bottom: 12px;
  outline: none;
}
.sig-type-input:focus {
  border-color: var(--accent, #0a84ff);
}
.sig-font-picker {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  justify-content: center;
}
.sig-font-option {
  padding: 8px 16px;
  font-size: 20px;
  border: 2px solid var(--border-color, #444);
  border-radius: 8px;
  background: var(--bg-tertiary, #2c2c2e);
  color: var(--text-primary, #fff);
  cursor: pointer;
  transition: all 0.2s;
}
.sig-font-option.active {
  border-color: var(--accent, #0a84ff);
  background: var(--bg-hover, #3a3a3c);
}
.sig-type-preview {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  color: var(--text-primary, #1a1a2e);
  padding: 16px;
  border: 1px solid var(--border-color, #333);
  border-radius: 12px;
  background: #fff;
  margin-bottom: 12px;
}

/* Upload */
.sig-upload-container {
  text-align: center;
}
.sig-drop-zone {
  padding: 40px 20px;
  border: 2px dashed var(--border-color, #444);
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--text-secondary, #999);
}
.sig-drop-zone:hover,
.sig-drop-zone.dragover {
  border-color: var(--accent, #0a84ff);
  background: rgba(10, 132, 255, 0.05);
}
.sig-drop-icon {
  font-size: 36px;
  margin-bottom: 12px;
}
.sig-drop-hint {
  font-size: 11px;
  margin-top: 8px;
  opacity: 0.6;
}
.sig-upload-preview {
  margin: 12px 0;
}
.sig-upload-img {
  max-width: 100%;
  max-height: 150px;
  border-radius: 8px;
  background: #fff;
  padding: 8px;
}

/* Buttons */
.sig-btn-row {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-top: 12px;
}
.sig-btn {
  padding: 10px 20px;
  border: none;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.sig-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.sig-btn-primary {
  background: var(--accent, #0a84ff);
  color: #fff;
}
.sig-btn-primary:hover:not(:disabled) {
  background: #0070d4;
}
.sig-btn-secondary {
  background: var(--bg-tertiary, #3a3a3c);
  color: var(--text-primary, #fff);
}
.sig-btn-secondary:hover {
  background: var(--bg-hover, #555);
}
.sig-btn-danger {
  background: transparent;
  color: var(--ios-red, #ff453a);
  border: none;
  padding: 6px;
  font-size: 16px;
}
.sig-btn-danger:hover {
  background: rgba(255, 69, 58, 0.1);
  border-radius: 8px;
}

/* Saved signatures list */
.sig-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.sig-list-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: 12px;
  background: var(--bg-tertiary, #2c2c2e);
  transition: background 0.2s;
}
.sig-list-item:hover {
  background: var(--bg-hover, #3a3a3c);
}
.sig-list-preview {
  width: 120px;
  height: 50px;
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sig-list-preview img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.sig-list-info {
  flex: 1;
}
.sig-list-name {
  font-weight: 600;
  font-size: 14px;
}
.sig-list-meta {
  font-size: 12px;
  color: var(--text-secondary, #999);
  margin-top: 2px;
}
.sig-list-actions {
  flex-shrink: 0;
}
.sig-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-secondary, #999);
  font-size: 14px;
}

/* Placement overlay */
.sig-placement {
  position: absolute;
  border: 2px solid transparent;
  border-radius: 4px;
  transition: border-color 0.2s;
  user-select: none;
}
.sig-placement:hover {
  border-color: var(--accent, #0a84ff);
}
.sig-placement-img {
  width: 100%;
  height: auto;
  pointer-events: none;
}
.sig-placement-remove {
  position: absolute;
  top: -10px;
  right: -10px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--ios-red, #ff453a);
  color: #fff;
  border: none;
  font-size: 12px;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.sig-placement:hover .sig-placement-remove {
  display: flex;
}
.sig-resize-handle {
  position: absolute;
  bottom: -4px;
  right: -4px;
  width: 14px;
  height: 14px;
  background: var(--accent, #0a84ff);
  border-radius: 3px;
  cursor: se-resize;
  opacity: 0;
  transition: opacity 0.2s;
}
.sig-placement:hover .sig-resize-handle {
  opacity: 1;
}
.sig-date-stamp {
  position: absolute;
  bottom: -20px;
  left: 0;
  font-size: 10px;
  color: var(--text-secondary, #666);
  white-space: nowrap;
}

/* Signature picker */
.sig-picker {
  background: var(--bg-secondary, #1c1c1e);
  border-radius: 16px;
  padding: 20px;
  width: 90%;
  max-width: 400px;
}
.sig-picker-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 12px;
  text-align: center;
}
.sig-picker-option {
  padding: 12px;
  background: #fff;
  border-radius: 10px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: transform 0.1s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sig-picker-option:hover {
  transform: scale(1.02);
}
.sig-picker-option img {
  max-height: 60px;
  max-width: 100%;
}

/* Settings section */
.sig-settings-section {
  padding: 8px 0;
}
.sig-settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.sig-settings-header h3 {
  margin: 0;
  font-size: 16px;
}
.sig-add-btn {
  padding: 6px 14px !important;
  font-size: 13px !important;
}
.sig-settings-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.sig-settings-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--bg-tertiary, #2c2c2e);
}
.sig-settings-preview {
  width: 100px;
  height: 40px;
  background: #fff;
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sig-settings-preview img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.sig-settings-info {
  flex: 1;
  font-size: 13px;
}