/* ========= BUTTONS ========= */
.bc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: opacity var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
  border: 1.5px solid transparent;
  line-height: 1;
}

.bc-btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}
.bc-btn--primary:hover { opacity: 0.85; }

.bc-btn--secondary {
  background: var(--color-white);
  color: var(--color-text);
  border-color: rgba(0, 0, 0, 0.15);
}
.bc-btn--secondary:hover {
  border-color: var(--color-primary);
}

.bc-btn--ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
  padding: 6px 12px;
}
.bc-btn--ghost:hover {
  background: var(--color-surface-hover);
  color: var(--color-text);
}

.bc-btn--danger {
  background: var(--color-white);
  color: var(--color-danger);
  border-color: rgba(220, 38, 38, 0.20);
}
.bc-btn--danger:hover {
  background: var(--color-danger-bg);
}

.bc-btn--sm {
  padding: 6px 12px;
  font-size: 12px;
}

.bc-btn--icon {
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: var(--radius-full);
  border: 1.5px solid rgba(0, 0, 0, 0.15);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-white);
}
.bc-btn--icon:hover {
  border-color: var(--color-primary);
}

.bc-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ========= BADGES ========= */
.bc-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: capitalize;
  letter-spacing: 0.02em;
  line-height: 1.5;
}

.bc-badge--new { background: var(--status-new-bg); color: var(--status-new); }
.bc-badge--contacted { background: var(--status-contacted-bg); color: var(--status-contacted); }
.bc-badge--proposal { background: var(--status-proposal-bg); color: var(--status-proposal); }
.bc-badge--closed { background: var(--status-closed-bg); color: var(--status-closed); }
.bc-badge--sent { background: var(--status-sent-bg); color: var(--status-sent); }
.bc-badge--viewed { background: var(--status-viewed-bg); color: var(--status-viewed); }
.bc-badge--accepted { background: var(--status-accepted-bg); color: var(--status-accepted); }
.bc-badge--declined { background: var(--status-declined-bg); color: var(--status-declined); }
.bc-badge--draft { background: var(--status-draft-bg); color: var(--status-draft); }
.bc-badge--archived { background: var(--status-draft-bg); color: var(--status-draft); }

/* ========= INPUTS ========= */
.bc-input,
.bc-select,
.bc-textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border-medium);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-family: inherit;
  background: var(--color-input-bg);
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.bc-input:focus,
.bc-select:focus,
.bc-textarea:focus {
  border-color: var(--color-border-focus);
  background: var(--color-input-bg-focus);
}

.bc-input::placeholder {
  color: var(--color-text-hint);
}

.bc-textarea {
  resize: vertical;
  min-height: 80px;
}

.bc-select {
  cursor: pointer;
  font-weight: 600;
  appearance: none;
  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='rgba(0,0,0,0.4)' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

.bc-search-input {
  width: 100%;
  max-width: 480px;
  padding: 9px 12px 9px 36px;
  border: 1px solid var(--color-border-medium);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition-fast), background var(--transition-fast);
  background: var(--color-input-bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='rgba(0,0,0,0.3)' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.3-4.3'/%3E%3C/svg%3E") 10px center no-repeat;
}

.bc-search-input:focus {
  border-color: var(--color-border-focus);
  background-color: var(--color-input-bg-focus);
}

.bc-label {
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}

.bc-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* ========= PANELS ========= */
.bc-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

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

.bc-panel-header-title {
  font-size: var(--text-md);
  font-weight: 600;
}

.bc-panel-body {
  flex: 1;
  overflow-y: auto;
}

/* ========= TABLE ========= */
.bc-table-head {
  display: grid;
  padding: 12px 24px;
  border-bottom: 1px solid var(--color-border-light);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  user-select: none;
}

.bc-table-row {
  display: grid;
  padding: 14px 24px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  cursor: pointer;
  transition: background 0.1s;
  align-items: center;
}

.bc-table-row:last-child { border-bottom: none; }
.bc-table-row:hover { background: var(--color-surface-hover); }

.bc-table-row-name {
  font-weight: 600;
  font-size: var(--text-sm);
}

.bc-table-row-secondary {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.bc-table-row-muted {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-align: right;
}

/* ========= OVERLAY / MODAL ========= */
.bc-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-overlay);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.bc-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.bc-modal {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  min-width: 280px;
  max-width: 560px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95);
  transition: transform var(--transition-base);
}

.bc-overlay.open .bc-modal {
  transform: scale(1);
}

.bc-close-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-size: 20px;
  line-height: 1;
  padding: 0;
  padding-bottom: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: background var(--transition-fast);
  z-index: 1;
}

.bc-close-btn:hover {
  background: var(--color-surface-hover);
}

/* ========= FULL-SCREEN OVERLAY ========= */
.bc-fullscreen-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-surface);
  z-index: 1000;
  overflow-y: auto;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.bc-fullscreen-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

/* ========= SPINNER ========= */
.bc-spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: var(--radius-full);
  animation: bc-spin 0.6s linear infinite;
}

.bc-spinner--lg {
  width: 40px;
  height: 40px;
  border-width: 3px;
}

@keyframes bc-spin {
  to { transform: rotate(360deg); }
}

/* ========= EMPTY STATE ========= */
.bc-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-6);
  color: var(--color-text-hint);
  text-align: center;
  gap: var(--space-2);
}

.bc-empty-state svg {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-2);
  opacity: 0.3;
}

/* ========= FORM GRID ========= */
.bc-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.bc-form-grid .bc-field--full {
  grid-column: 1 / -1;
}

/* ========= NOTES THREAD ========= */
.bc-note {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3) 0;
}

.bc-note-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
  flex-shrink: 0;
}

.bc-note-body {
  flex: 1;
  min-width: 0;
}

.bc-note-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: 2px;
}

.bc-note-author {
  font-size: 12px;
  font-weight: 600;
}

.bc-note-date {
  font-size: 11px;
  color: var(--color-text-muted);
}

.bc-note-text {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.5;
}

.bc-note-delete {
  font-size: 11px;
  color: var(--color-text-hint);
  cursor: pointer;
  background: none;
  border: none;
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: auto;
}
.bc-note-delete:hover {
  color: var(--color-danger);
  background: var(--color-danger-bg);
}

/* ========= STATUS SELECTOR ========= */
.bc-status-select {
  padding: 6px 10px;
  border: 1px solid var(--color-border-medium);
  border-radius: var(--radius-md);
  font-size: 12px;
  font-weight: 600;
  background: var(--color-input-bg);
  cursor: pointer;
  outline: none;
  font-family: inherit;
}

/* ========= TWO-COLUMN DETAIL ========= */
.bc-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

@media (max-width: 800px) {
  .bc-detail-grid {
    grid-template-columns: 1fr;
  }
  .bc-form-grid {
    grid-template-columns: 1fr;
  }
  .bc-table-head,
  .bc-table-row {
    padding: 10px 16px;
  }
}