/**
 * Components - Henson Engineering Timesheet PWA
 * Reusable UI components: buttons, inputs, cards, lists, badges.
 */

/* ============================================================================
   App Bar / Status Bar
   ============================================================================ */

#status-bar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--content-padding);
  background: var(--status-bar-bg);
  border-bottom: 1px solid var(--status-bar-border);
  flex-shrink: 0;
  min-height: 48px;
}

#status-bar .status-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

#status-bar .status-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* ============================================================================
   Status Pills / Badges
   ============================================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.025em;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-success {
  background: var(--color-success-bg);
  color: var(--color-success);
}

.badge-danger {
  background: var(--color-danger-bg);
  color: var(--color-danger);
}

.badge-warning {
  background: var(--color-warning-bg);
  color: var(--color-warning);
}

.badge-info {
  background: var(--color-info-bg);
  color: var(--color-info);
}

.badge-muted {
  background: var(--bg-surface-sunken);
  color: var(--text-muted);
}

.badge-primary {
  background: var(--color-primary-bg);
  color: var(--color-primary);
}

/* Legacy status-pill classes for backwards compatibility */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.025em;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.status-pill.offline {
  background: var(--color-danger-bg);
  color: var(--color-danger);
}

.status-pill.online {
  background: var(--color-success-bg);
  color: var(--color-success);
}

.status-pill.pending {
  background: var(--color-warning-bg);
  color: var(--color-warning);
}

/* ============================================================================
   Buttons
   ============================================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: var(--btn-height);
  padding: var(--space-3) var(--space-5);
  font-family: inherit;
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  line-height: 1;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: background-color var(--transition-fast), 
              transform var(--transition-fast),
              box-shadow var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
  touch-action: manipulation;
}

.btn:active {
  transform: scale(0.98);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn:focus-visible {
  box-shadow: var(--focus-ring);
}

/* Primary Button */
.btn-primary {
  background: var(--color-primary);
  color: var(--text-inverse);
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
}

/* Success / Submit Button */
.btn-success,
.btn-submit {
  background: var(--color-success);
  color: var(--text-inverse);
}

.btn-success:hover:not(:disabled),
.btn-submit:hover:not(:disabled) {
  background: var(--color-success-hover);
}

/* Secondary Button */
.btn-secondary {
  background: var(--bg-surface-raised);
  color: var(--text-primary);
  border: 1px solid var(--border-default);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--bg-surface-sunken);
  border-color: var(--border-strong);
}

/* Danger Button */
.btn-danger {
  background: var(--color-danger);
  color: var(--text-inverse);
}

.btn-danger:hover:not(:disabled) {
  background: var(--color-danger-hover);
}

.btn-danger:focus-visible {
  box-shadow: var(--focus-ring-danger);
}

/* Back Button */
.btn-back {
  background: var(--bg-surface-raised);
  color: var(--text-secondary);
  border: 1px solid var(--border-default);
}

.btn-back:hover:not(:disabled) {
  background: var(--bg-surface-sunken);
  color: var(--text-primary);
}

/* Ghost / Tertiary Button */
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--bg-surface-sunken);
  color: var(--text-primary);
}

/* Large Button */
.btn-large {
  min-height: var(--btn-height-lg);
  font-size: var(--text-lg);
  padding: var(--space-4) var(--space-6);
}

/* Small Button */
.btn-small {
  min-height: 40px;
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-4);
}

/* Icon Button (square) */
.btn-icon {
  min-width: var(--btn-height);
  padding: var(--space-3);
}

.btn-icon svg {
  width: 20px;
  height: 20px;
}

/* Full width button */
.btn-block {
  width: 100%;
}

/* Employee selection button */
.btn-employee {
  background: var(--color-primary);
  color: var(--text-inverse);
  min-height: var(--btn-height-lg);
  font-size: var(--text-lg);
}

.btn-employee:hover:not(:disabled) {
  background: var(--color-primary-hover);
}

/* Customer selection button */
.btn-customer {
  background: var(--color-success);
  color: var(--text-inverse);
  min-height: var(--btn-height-lg);
  font-size: var(--text-lg);
}

.btn-customer:hover:not(:disabled) {
  background: var(--color-success-hover);
}

/* Odd job variant */
.btn-odd-job {
  background: var(--color-warning);
  color: var(--text-inverse);
}

/* Admin link button */
.btn-admin-link {
  background: transparent;
  color: var(--text-muted);
  font-size: var(--text-sm);
  min-height: 44px;
  border: 1px solid var(--border-default);
  opacity: 0.7;
}

.btn-admin-link:hover:not(:disabled) {
  opacity: 1;
  background: var(--bg-surface-sunken);
}

/* Price save button */
.btn-price-save {
  background: var(--color-success);
  color: var(--text-inverse);
  min-height: 44px;
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-4);
}

/* ============================================================================
   Button Groups / Rows
   ============================================================================ */

.button-row {
  display: flex;
  gap: var(--space-3);
  margin-top: auto;
  flex-shrink: 0;
  padding-top: var(--space-4);
}

.button-row .btn {
  flex: 1;
}

.button-row .btn-back {
  flex: 0 0 auto;
  min-width: 100px;
}

.button-row.three-buttons .btn {
  flex: 1;
}

.button-row.three-buttons .btn-back {
  flex: 0.5;
}

/* ============================================================================
   Form Elements
   ============================================================================ */

.form-group {
  margin-bottom: var(--space-4);
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}

.form-input,
.form-select,
.form-textarea {
  display: block;
  width: 100%;
  min-height: var(--input-height);
  padding: var(--space-3) var(--space-4);
  font-family: inherit;
  font-size: var(--text-base);
  color: var(--text-primary);
  background: var(--input-bg);
  border: 1.5px solid var(--input-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--input-placeholder);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--input-border-focus);
  box-shadow: var(--focus-ring);
  outline: none;
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  background: var(--bg-surface-sunken);
}

/* Textarea */
.form-textarea {
  min-height: 120px;
  resize: vertical;
  line-height: var(--leading-relaxed);
}

.form-textarea-small {
  min-height: 80px;
}

/* Select with custom arrow */
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-right: calc(var(--space-4) + 24px);
}

/* Form row for side-by-side inputs */
.form-row {
  display: flex;
  gap: var(--space-3);
}

.form-row .form-group {
  flex: 1;
}

/* Search input */
.search-input {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.3-4.3'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: var(--space-4) center;
  padding-left: calc(var(--space-4) + 28px);
}

/* PIN input */
.pin-input {
  text-align: center;
  font-size: var(--text-2xl);
  font-weight: var(--font-semibold);
  letter-spacing: 0.25em;
  max-width: 200px;
  margin: 0 auto;
}

/* Provision input */
.provision-input {
  text-align: center;
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  max-width: 280px;
}

/* Half width helper */
.half-width {
  width: 50%;
}

/* Form scroll container */
.form-scroll {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: var(--space-4);
  padding-right: var(--space-2);
}

/* ============================================================================
   Messages
   ============================================================================ */

.error-message {
  color: var(--color-danger);
  font-size: var(--text-sm);
  text-align: center;
  min-height: 24px;
  margin: var(--space-2) 0;
}

.success-message {
  color: var(--color-success);
  font-size: var(--text-sm);
  text-align: center;
  min-height: 24px;
  margin: var(--space-2) 0;
}

.status-message {
  font-size: var(--text-sm);
  text-align: center;
  color: var(--text-muted);
  min-height: 24px;
  margin: var(--space-2) 0;
}

.warning-box {
  background: var(--color-danger-bg);
  color: var(--color-danger);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  text-align: center;
  margin-bottom: var(--space-4);
  border: 1px solid var(--color-danger);
}

/* ============================================================================
   Cards & Surfaces
   ============================================================================ */

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
}

.card-raised {
  background: var(--bg-surface-raised);
  box-shadow: var(--shadow-md);
}

/* ============================================================================
   Lists & Rows
   ============================================================================ */

/* Generic scrollable list container */
.list-container {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: var(--space-4);
}

/* List row */
.list-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  background: var(--bg-surface);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-2);
  border: 1px solid var(--border-default);
  cursor: pointer;
  transition: background-color var(--transition-fast), 
              transform var(--transition-fast),
              border-color var(--transition-fast);
}

.list-row:active {
  transform: scale(0.99);
  background: var(--bg-surface-sunken);
}

.list-row:last-child {
  margin-bottom: 0;
}

/* Customer row */
.customer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-surface);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-2);
  border: 1px solid var(--border-default);
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.customer-row:active {
  transform: scale(0.99);
  background: var(--bg-surface-sunken);
}

.customer-row-name {
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--text-primary);
  flex: 1;
}

.customer-row-warning {
  font-size: var(--text-xs);
  color: var(--color-danger);
  font-weight: var(--font-semibold);
}

/* Project row */
.project-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-surface);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-2);
  border: 1px solid var(--border-default);
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.project-row:active {
  transform: scale(0.99);
  background: var(--bg-surface-sunken);
}

.project-row-name {
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--text-primary);
  flex: 1;
}

.project-row-status {
  font-size: var(--text-xs);
  color: var(--color-warning);
  font-weight: var(--font-semibold);
}

/* Catalog item row */
.catalog-item-row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  background: var(--bg-surface);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-2);
  border: 1px solid var(--border-default);
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.catalog-item-row:active {
  transform: scale(0.99);
  background: var(--bg-surface-sunken);
}

.catalog-item-code {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--brand-gold);
  min-width: 80px;
}

.catalog-item-name {
  font-size: var(--text-base);
  color: var(--text-primary);
  flex: 1;
}

/* Log entry */
.log-entry {
  background: var(--bg-surface);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-3);
  border: 1px solid var(--border-default);
}

.log-entry.clickable {
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.log-entry.clickable:active {
  transform: scale(0.99);
  background: var(--bg-surface-sunken);
}

.log-entry-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
}

.log-entry-date {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.log-entry-hours {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--brand-gold);
}

.log-entry-customer {
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--color-success);
  margin-bottom: var(--space-1);
}

.log-entry-description {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
  white-space: pre-line;
}

.log-entry-status {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.log-entry-locked,
.log-entry-billing {
  font-size: var(--text-xs);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
}

.log-entry-locked.locked {
  background: var(--color-danger-bg);
  color: var(--color-danger);
}

.log-entry-locked.editable {
  background: var(--color-success-bg);
  color: var(--color-success);
}

.log-entry-billing.priced {
  background: var(--color-primary-bg);
  color: var(--color-primary);
}

.log-entry-billing.invoiced {
  background: var(--color-info-bg);
  color: var(--color-info);
}

/* ============================================================================
   Empty States
   ============================================================================ */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-8) var(--space-4);
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
  opacity: 0.5;
}

.empty-state-title {
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}

.empty-state-text {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* ============================================================================
   Theme Toggle Button
   ============================================================================ */

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.theme-toggle:hover {
  background: var(--bg-surface-sunken);
  color: var(--text-primary);
}

.theme-toggle:focus-visible {
  box-shadow: var(--focus-ring);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
}

/* Show/hide icons based on theme */
.theme-toggle .icon-sun {
  display: none;
}

.theme-toggle .icon-moon {
  display: block;
}

:root[data-theme="dark"] .theme-toggle .icon-sun {
  display: block;
}

:root[data-theme="dark"] .theme-toggle .icon-moon {
  display: none;
}

/* System preference fallback */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .theme-toggle .icon-sun {
    display: block;
  }
  :root:not([data-theme]) .theme-toggle .icon-moon {
    display: none;
  }
}