/* ============================================================
   PHASE 3 — Wren Share System & Contact Groups
   Additive styles — zero modifications to existing CSS files
   ============================================================ */

/* ===== SHARE BUTTON — toolbar & panel injection ===== */
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  background: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(14, 165, 233, 0.3);
  white-space: nowrap;
}

.share-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.4);
  background: linear-gradient(135deg, #38bdf8 0%, #0ea5e9 100%);
}

.share-btn:active {
  transform: translateY(0);
}

.share-btn-icon {
  font-size: 15px;
  line-height: 1;
}

/* Share btn inside editor toolbar — push to far right */
.toolbar-share-btn {
  margin-left: auto;
}

/* ===== SHARE MODAL (desktop fallback) ===== */
.share-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: wrenFadeIn 0.2s ease;
}

.share-modal {
  background: var(--color-surface);
  border-radius: 16px;
  width: 440px;
  max-width: calc(100vw - 40px);
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: wrenSlideUp 0.25s ease;
  border: 1px solid var(--color-border);
}

.share-modal-header {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.share-modal-header h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0;
}

.share-modal-close {
  width: 30px;
  height: 30px;
  border: none;
  background: var(--color-bg-secondary);
  border-radius: 50%;
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: all 0.2s;
  flex-shrink: 0;
}

.share-modal-close:hover {
  background: var(--color-border);
  color: var(--color-text-primary);
}

.share-modal-preview {
  margin: 16px 24px 6px;
  background: var(--color-bg-secondary);
  border-radius: 10px;
  padding: 14px 16px;
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-height: 110px;
  overflow-y: auto;
  border: 1px solid var(--color-border);
  white-space: pre-wrap;
  word-break: break-word;
  font-family: inherit;
}

.share-modal-section-label {
  padding: 12px 24px 8px;
  font-size: 11px;
  font-weight: 700;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* 2×2 platform grid */
.share-options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 0 24px 16px;
}

.share-option-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 12px;
  border: 2px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-surface);
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.share-option-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.share-option-icon {
  font-size: 30px;
  line-height: 1;
}

.share-option-btn.opt-whatsapp:hover  { border-color: #25d366; background: rgba(37, 211, 102, 0.05); }
.share-option-btn.opt-sms:hover       { border-color: #34c759; background: rgba(52, 199, 89, 0.05); }
.share-option-btn.opt-email:hover     { border-color: #ea4335; background: rgba(234, 67, 53, 0.05); }
.share-option-btn.opt-copy:hover      { border-color: #6366f1; background: rgba(99, 102, 241, 0.05); }

/* ===== GROUP EMAIL SECTION ===== */
.share-email-section {
  padding: 14px 24px 20px;
  border-top: 1px solid var(--color-border);
}

.share-email-section h4 {
  font-size: 11px;
  font-weight: 700;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 10px;
}

.contact-group-select-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.contact-group-select {
  flex: 1;
  padding: 9px 12px;
  border: 2px solid var(--color-border);
  border-radius: 8px;
  font-size: 14px;
  color: var(--color-text-primary);
  background: var(--color-surface);
  cursor: pointer;
  transition: border-color 0.2s;
  font-family: inherit;
}

.contact-group-select:focus {
  outline: none;
  border-color: var(--color-primary);
}

.btn-send-group-email {
  padding: 9px 16px;
  background: linear-gradient(135deg, #ea4335, #d93025);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.btn-send-group-email:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(234, 67, 53, 0.35);
}

.btn-manage-groups {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 7px 12px;
  background: transparent;
  border: 1.5px solid var(--color-border);
  border-radius: 7px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  margin-top: 10px;
}

.btn-manage-groups:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ===== CONTACT GROUPS MANAGER MODAL ===== */
.contacts-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 9100;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: wrenFadeIn 0.2s ease;
}

.contacts-modal {
  background: var(--color-surface);
  border-radius: 16px;
  width: 500px;
  max-width: calc(100vw - 40px);
  max-height: 82vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: wrenSlideUp 0.25s ease;
  border: 1px solid var(--color-border);
}

.contacts-modal-header {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  background: var(--color-surface);
  z-index: 2;
}

.contacts-modal-header h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0;
}

.contacts-modal-body {
  padding: 20px 24px 24px;
}

/* Group list */
.contact-groups-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 14px;
}

.contact-group-item {
  border: 1.5px solid var(--color-border);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color 0.2s;
}

.contact-group-item:hover {
  border-color: var(--color-primary);
}

.contact-group-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  background: var(--color-bg-secondary);
}

.contact-group-item-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.contact-group-count {
  font-size: 11px;
  background: var(--color-primary);
  color: white;
  padding: 2px 8px;
  border-radius: 20px;
  font-weight: 600;
}

.contact-group-actions {
  display: flex;
  gap: 6px;
}

.btn-group-action {
  padding: 4px 10px;
  border: none;
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.2s;
}

.btn-group-edit   { background: rgba(99, 102, 241, 0.1); color: var(--color-primary); }
.btn-group-edit:hover  { background: rgba(99, 102, 241, 0.2); }
.btn-group-delete { background: rgba(239, 68, 68, 0.1); color: #ef4444; }
.btn-group-delete:hover { background: rgba(239, 68, 68, 0.2); }

.contact-group-emails {
  padding: 10px 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.contact-email-chip {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 3px 10px;
  font-size: 12px;
  color: var(--color-text-secondary);
}

/* Add / edit group form */
.add-group-form {
  background: var(--color-bg-secondary);
  border-radius: 10px;
  padding: 18px;
  border: 1.5px dashed var(--color-border);
  margin-top: 14px;
}

.add-group-form h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0 0 14px;
}

.wren-form-field {
  margin-bottom: 12px;
}

.wren-form-field label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  color: var(--color-text-secondary);
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.wren-form-field input,
.wren-form-field textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1.5px solid var(--color-border);
  border-radius: 8px;
  font-size: 14px;
  color: var(--color-text-primary);
  background: var(--color-surface);
  transition: border-color 0.2s;
  box-sizing: border-box;
  font-family: inherit;
}

.wren-form-field input:focus,
.wren-form-field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.wren-form-field textarea {
  resize: vertical;
  min-height: 85px;
  line-height: 1.5;
}

.wren-field-hint {
  font-size: 11px;
  color: var(--color-text-secondary);
  margin-top: 4px;
  line-height: 1.4;
}

.wren-form-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 4px;
}

.btn-save-group {
  padding: 9px 18px;
  background: linear-gradient(135deg, var(--color-primary), #7c3aed);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-save-group:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
}

.btn-cancel-group {
  padding: 9px 16px;
  background: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  border: 1.5px solid var(--color-border);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-cancel-group:hover {
  border-color: var(--color-text-secondary);
  color: var(--color-text-primary);
}

.btn-new-group {
  width: 100%;
  padding: 11px;
  background: transparent;
  border: 2px dashed var(--color-primary);
  border-radius: 10px;
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn-new-group:hover {
  background: rgba(99, 102, 241, 0.05);
}

/* Empty contacts state */
.contacts-empty {
  text-align: center;
  padding: 28px 16px;
  color: var(--color-text-secondary);
}

.contacts-empty-icon {
  font-size: 40px;
  margin-bottom: 10px;
  display: block;
}

.contacts-empty p {
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
}

/* ===== DARK MODE ===== */
[data-theme="dark"] .share-modal,
[data-theme="dark"] .contacts-modal {
  background: #1a1a1a;
  border-color: rgba(64, 64, 64, 0.5);
}

[data-theme="dark"] .share-modal-header,
[data-theme="dark"] .contacts-modal-header {
  background: #1a1a1a;
  border-bottom-color: rgba(64, 64, 64, 0.3);
}

[data-theme="dark"] .share-modal-preview {
  background: #111;
  border-color: rgba(64, 64, 64, 0.4);
  color: #a3a3a3;
}

[data-theme="dark"] .share-option-btn {
  background: #1f1f1f;
  border-color: rgba(82, 82, 82, 0.5);
  color: #e5e5e5;
}

[data-theme="dark"] .share-email-section {
  border-top-color: rgba(64, 64, 64, 0.3);
}

[data-theme="dark"] .contact-group-select {
  background: #1a1a1a;
  border-color: rgba(82, 82, 82, 0.5);
  color: #e5e5e5;
}

[data-theme="dark"] .contact-group-item {
  border-color: rgba(64, 64, 64, 0.5);
}

[data-theme="dark"] .contact-group-item-header {
  background: #111;
}

[data-theme="dark"] .add-group-form {
  background: #111;
  border-color: rgba(64, 64, 64, 0.5);
}

[data-theme="dark"] .wren-form-field input,
[data-theme="dark"] .wren-form-field textarea {
  background: #1a1a1a;
  border-color: rgba(82, 82, 82, 0.5);
  color: #e5e5e5;
}

[data-theme="dark"] .contact-email-chip {
  background: #111;
  border-color: rgba(64, 64, 64, 0.4);
  color: #a3a3a3;
}

[data-theme="dark"] .btn-cancel-group {
  background: #1f1f1f;
  border-color: rgba(82, 82, 82, 0.5);
  color: #a3a3a3;
}

[data-theme="dark"] .btn-manage-groups {
  border-color: rgba(82, 82, 82, 0.5);
  color: #a3a3a3;
}

[data-theme="dark"] .btn-new-group {
  border-color: rgba(99, 102, 241, 0.5);
}

/* ===== ANIMATIONS ===== */
@keyframes wrenFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes wrenSlideUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}