/* ============================================
   ICZ — Reusable UI Components
   Compact sizing for agent workstation
   ============================================ */

/* --- Buttons --- */
.icz-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--font-md);
  font-weight: 600;
  font-family: var(--font-mono);
  line-height: 1.2;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  min-height: 28px;
  transition: background var(--transition-fast), border-color var(--transition-fast), opacity var(--transition-fast);
  white-space: nowrap;
  user-select: none;
  -webkit-user-select: none;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

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

.icz-btn:active {
  opacity: 0.8;
}

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

.icz-btn--primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-text);
}

.icz-btn--primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

.icz-btn--danger {
  background: var(--color-danger);
  border-color: var(--color-danger);
  color: #fff;
}

.icz-btn--danger:hover {
  background: var(--color-danger-hover);
  border-color: var(--color-danger-hover);
}

.icz-btn--ghost {
  background: transparent;
  border-color: transparent;
  color: var(--color-accent);
}

.icz-btn--ghost:hover {
  background: var(--color-surface-hover);
}

.icz-btn--small {
  min-height: 24px;
  padding: 2px var(--space-md);
  font-size: var(--font-xs);
}

.icz-btn--full {
  width: 100%;
}

.icz-btn__spinner {
  width: 12px;
  height: 12px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.icz-btn.loading .icz-btn__label {
  visibility: hidden;
}

.icz-btn.loading .icz-btn__spinner {
  position: absolute;
}

.icz-btn.loading {
  position: relative;
  pointer-events: none;
}

/* --- Inputs (login form uses these) --- */
.icz-input {
  display: block;
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-md);
  font-family: var(--font-mono);
  line-height: 1.4;
  color: var(--color-text);
  background: var(--color-input-bg);
  border: 1px solid var(--color-input-border);
  border-radius: var(--radius-sm);
  min-height: 32px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
}

.icz-input:focus {
  outline: none;
  border-color: var(--color-input-focus);
  box-shadow: 0 0 0 1px var(--color-input-focus);
}

.icz-input::placeholder {
  color: var(--color-text-tertiary);
}

.icz-input:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.icz-input--error {
  border-color: var(--color-danger);
}

.icz-input--error:focus {
  box-shadow: 0 0 0 1px var(--color-danger);
}

select.icz-input {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' fill='%238b949e' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  padding-right: 24px;
  cursor: pointer;
}

textarea.icz-input {
  min-height: 48px;
  resize: vertical;
}

.icz-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.icz-label {
  font-size: var(--font-xs);
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.icz-field-error {
  font-size: var(--font-xs);
  color: var(--color-danger);
}

/* --- Modal --- */
.icz-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-overlay);
  z-index: 500;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
}

.icz-modal-overlay.visible {
  display: flex;
}

.icz-modal {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 600px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 8px 40px var(--color-shadow-heavy);
  animation: modal-enter 0.15s ease;
}

@keyframes modal-enter {
  from { opacity: 0; transform: scale(0.97) translateY(4px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.icz-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.icz-modal__title {
  font-size: var(--font-lg);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.icz-modal__close {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  font-size: 18px;
  cursor: pointer;
  padding: var(--space-sm);
  line-height: 1;
  border-radius: var(--radius-sm);
}

.icz-modal__close:hover {
  color: var(--color-text);
  background: var(--color-surface-hover);
}

.icz-modal__body {
  padding: var(--space-xl);
  overflow-y: auto;
  flex: 1;
  font-size: var(--font-md);
  color: var(--color-text);
}

.icz-modal__actions {
  display: flex;
  gap: var(--space-md);
  justify-content: flex-end;
  padding: var(--space-lg) var(--space-xl);
  border-top: 1px solid var(--color-border);
  flex-shrink: 0;
}

/* --- Badges --- */
.icz-badge {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  font-size: var(--font-xs);
  font-weight: 700;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-family: var(--font-mono);
}

.icz-badge--active {
  background: color-mix(in srgb, var(--color-success) 15%, transparent);
  color: var(--color-success);
}

.icz-badge--booked {
  background: color-mix(in srgb, var(--color-info) 15%, transparent);
  color: var(--color-info);
}

.icz-badge--completed {
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
}

.icz-badge--cancelled {
  background: color-mix(in srgb, var(--color-danger) 15%, transparent);
  color: var(--color-danger);
}

.icz-badge--dispatched {
  background: color-mix(in srgb, var(--color-warning) 15%, transparent);
  color: var(--color-warning);
}

/* --- Spinner --- */
.icz-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.icz-spinner--small {
  width: 12px;
  height: 12px;
  border-width: 2px;
}

.icz-spinner--large {
  width: 28px;
  height: 28px;
  border-width: 3px;
}

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

/* --- Toast --- */
.icz-toast {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-sm);
  font-size: var(--font-sm);
  font-weight: 600;
  pointer-events: auto;
  box-shadow: 0 4px 16px var(--color-shadow-heavy);
  animation: toast-enter 0.2s ease;
  min-width: 180px;
  max-width: 360px;
  border: 1px solid transparent;
}

.icz-toast--success {
  background: color-mix(in srgb, var(--color-success) 15%, var(--color-surface));
  color: var(--color-success);
  border-color: var(--color-success);
}

.icz-toast--error {
  background: color-mix(in srgb, var(--color-danger) 15%, var(--color-surface));
  color: var(--color-danger);
  border-color: var(--color-danger);
}

.icz-toast--info {
  background: color-mix(in srgb, var(--color-info) 15%, var(--color-surface));
  color: var(--color-info);
  border-color: var(--color-info);
}

.icz-toast--warning {
  background: color-mix(in srgb, var(--color-warning) 15%, var(--color-surface));
  color: var(--color-warning);
  border-color: var(--color-warning);
}

@keyframes toast-enter {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Cards (used in modal detail views) --- */
.icz-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.icz-card--interactive {
  cursor: pointer;
}

.icz-card--interactive:hover {
  background: var(--color-surface-hover);
}

/* --- Status Rows (detail view) --- */
.icz-status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  gap: var(--space-lg);
}

.icz-status-row + .icz-status-row {
  border-top: 1px solid var(--color-border-light);
}

.icz-status-row__label {
  font-size: var(--font-xs);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

.icz-status-row__value {
  font-size: var(--font-md);
  font-weight: 500;
  text-align: right;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* --- Form Section Headers (modal forms) --- */
.icz-form-section {
  margin-bottom: var(--space-lg);
}

.icz-form-section__title {
  font-size: var(--font-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-md);
}

.icz-form-row {
  display: flex;
  gap: var(--space-lg);
}

.icz-form-row > * {
  flex: 1;
}

/* --- Segment Control --- */
.icz-segment {
  display: inline-flex;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
  padding: 1px;
  gap: 1px;
}

.icz-segment__item {
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--font-xs);
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--color-text-secondary);
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  min-height: 24px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: background var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}

.icz-segment__item:hover {
  color: var(--color-text);
}

.icz-segment__item.active {
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: 0 1px 2px var(--color-shadow);
}

/* --- Empty State --- */
.icz-empty {
  text-align: center;
  padding: var(--space-xl) var(--space-lg);
  color: var(--color-text-tertiary);
}

.icz-empty__title {
  font-size: var(--font-lg);
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.icz-empty__text {
  font-size: var(--font-sm);
}

/* --- Skeleton Loading --- */
.icz-skeleton {
  background: linear-gradient(90deg, var(--color-bg-tertiary) 25%, var(--color-bg-secondary) 50%, var(--color-bg-tertiary) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.icz-skeleton--text {
  height: 12px;
  width: 80%;
  margin-bottom: var(--space-sm);
}

.icz-skeleton--card {
  height: 48px;
  margin-bottom: var(--space-sm);
}

/* --- Quote Display (inside modal) --- */
.icz-quote {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  background: var(--color-bg-secondary);
}

.icz-quote__amount {
  font-size: var(--font-xl);
  font-weight: 700;
  color: var(--color-accent);
}

.icz-quote__detail {
  font-size: var(--font-sm);
  color: var(--color-text-secondary);
}

/* --- Divider --- */
.icz-divider {
  border: none;
  border-top: 1px solid var(--color-border-light);
  margin: var(--space-md) 0;
}