/* ------------------------------------------------------
   components.css — Design System: Baseline UI Components
   ------------------------------------------------------
   Loaded globally AFTER design-tokens.css, BEFORE site.css.
   Provides reusable class-based components that reference
   design tokens from design-tokens.css.

   Keep classes neutral and composable.
   All colors via tokens — no hardcoded hex values.
*/


/* ================================================
   BUTTONS
   ================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: 34px;
  padding: 0 0.875rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

/* Hover — no translateY lift, only shadow/color changes */
.btn:hover:not(:disabled) {
  box-shadow: var(--shadow-md);
}

/* Press feedback — subtle scale instead of vertical translate */
.btn:active:not(:disabled) {
  transform: scale(0.98);
  transition-duration: 50ms;
}

/* Accessible focus ring */
.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* --------------------------------------------------------------------------
   Button sizes
   -------------------------------------------------------------------------- */

.btn--sm,
.btn-sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-xs);
}

.btn--lg,
.btn-lg {
  padding: var(--space-4) var(--space-6);
  font-size: var(--font-size-base);
}

/* --------------------------------------------------------------------------
   Button variants
   -------------------------------------------------------------------------- */

/* Primary — solid brand color */
.btn-primary,
.btn--primary {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
  box-shadow: 0 1px 2px rgba(35, 131, 226, 0.2);
}

.btn-primary:hover:not(:disabled),
.btn--primary:hover:not(:disabled) {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  box-shadow: 0 2px 6px rgba(35, 131, 226, 0.28);
}

/* Secondary — outlined, neutral */
.btn-secondary,
.btn--secondary {
  background-color: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
  box-shadow: 0 1px 2px rgba(55, 53, 47, 0.04);
}

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

/* Danger */
.btn-danger,
.btn--danger {
  background-color: var(--color-danger);
  color: #fff;
  border-color: var(--color-danger);
}

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

/* Ghost — transparent with border */
.btn--ghost {
  background-color: transparent;
  color: var(--color-text-secondary);
  border-color: var(--color-border);
}

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

/* Shimmer sweep on .btn--glow */
.btn--glow::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  transition: left 500ms ease-in-out;
}

.btn--glow:hover::before {
  left: 100%;
}


/* ================================================
   CARDS
   ================================================ */

.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  box-shadow: 0 1px 3px rgba(55, 53, 47, 0.04), 0 1px 2px rgba(55, 53, 47, 0.02);
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

/* Interactive card — clickable with hover lift */
.card--interactive {
  cursor: pointer;
}

.card--interactive:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* Elevated card — stronger shadow by default */
.card--elevated {
  box-shadow: var(--shadow-md);
}

/* --------------------------------------------------------------------------
   Card sections
   -------------------------------------------------------------------------- */

.card-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
  background-color: transparent;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-lg);
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.card-body {
  padding: 1.5rem;
  color: var(--color-text);
}

.card-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--color-border);
  background-color: var(--color-surface-alt);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

/* Glass morphism variant */
.card--glass {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.theme-dark .card--glass {
  background: rgba(37, 37, 37, 0.7);
  border: 1px solid var(--color-border-subtle);
}


/* ================================================
   FORMS
   ================================================ */

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

/* Base input styles shared by text inputs, textareas, and selects */
.form-input,
.form-textarea,
.form-select {
  display: block;
  width: 100%;
  height: 36px;
  padding: 0 0.75rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

/* Subtle hover — nudge border to stronger tone */
.form-input:hover:not(:focus):not(:disabled),
.form-textarea:hover:not(:focus):not(:disabled),
.form-select:hover:not(:focus):not(:disabled) {
  border-color: var(--color-border-strong);
}

/* Focus ring — primary blue glow */
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(35, 131, 226, 0.14);
}

/* Disabled state */
.form-input:disabled,
.form-textarea:disabled,
.form-select:disabled {
  background-color: var(--color-surface-alt);
  color: var(--color-text-muted);
  cursor: not-allowed;
  opacity: 0.7;
}

/* Textarea — allow vertical resize only; override fixed height from base rule */
.form-textarea {
  height: auto;
  min-height: 80px;
  padding: 0.625rem 0.75rem;
  resize: vertical;
}

/* Native select arrow preserved; extra right padding for chevron */
.form-select {
  appearance: auto;
  padding-right: 2.25rem;
  cursor: pointer;
}

/* --------------------------------------------------------------------------
   Input with leading icon
   -------------------------------------------------------------------------- */

.input-icon {
  position: relative;
}

.input-icon__icon {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: var(--space-4);
  color: var(--color-text-muted);
  pointer-events: none;
}

.input-icon .form-input {
  padding-left: calc(var(--space-4) * 2.5);
}

/* --------------------------------------------------------------------------
   Validation states
   -------------------------------------------------------------------------- */

.form-input--error,
.form-textarea--error,
.form-select--error {
  border-color: var(--color-danger) !important;
}

.form-input--error:focus,
.form-textarea--error:focus,
.form-select--error:focus {
  box-shadow: 0 0 0 3px var(--color-danger-bg) !important;
}

.form-input--success,
.form-textarea--success,
.form-select--success {
  border-color: var(--color-success) !important;
}

.form-input--success:focus,
.form-textarea--success:focus,
.form-select--success:focus {
  box-shadow: 0 0 0 3px var(--color-success-bg) !important;
}

/* --------------------------------------------------------------------------
   Help text and inline errors
   -------------------------------------------------------------------------- */

.form-help {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.form-error {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--color-danger);
  font-weight: var(--font-weight-medium);
}

/* Form group — wraps label + input + help/error */
.form-group {
  margin-bottom: var(--space-4);
}


/* ================================================
   TABLES
   ================================================ */

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.table th,
.table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.table th {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  background-color: var(--color-surface-alt);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Striped rows */
.table--striped tbody tr:nth-child(even) {
  background-color: var(--color-surface-alt);
}

/* Hover highlight */
.table tbody tr:hover {
  background-color: var(--color-surface-hover, var(--color-surface-alt));
}


/* ================================================
   BADGES / PILLS
   ================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  line-height: var(--line-height-base);
  border-radius: 9999px;
  background-color: var(--color-surface-alt);
  color: var(--color-text-secondary);
}

/* Status badge variants — use token -bg and -text pairs */
.badge-primary {
  background-color: var(--color-primary-bg);
  color: var(--color-primary-text);
}

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

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

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

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


/* ================================================
   ALERTS / NOTIFICATIONS
   ================================================ */

/* Base alert — BEM variant names (.alert--success) */
.alert {
  position: relative;
  padding: var(--space-4) var(--space-5);
  margin-bottom: var(--space-4);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  animation: alertSlideIn var(--transition-medium) ease-out both;
}

@keyframes alertSlideIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* BEM variants (.alert--success etc.) */
.alert--success {
  background-color: var(--color-success-bg);
  border-color: var(--color-success);
  color: var(--color-success-text);
}

.alert--warning {
  background-color: var(--color-warning-bg);
  border-color: var(--color-warning);
  color: var(--color-warning-text);
}

.alert--danger {
  background-color: var(--color-danger-bg);
  border-color: var(--color-danger);
  color: var(--color-danger-text);
}

.alert--info {
  background-color: var(--color-info-bg);
  border-color: var(--color-info);
  color: var(--color-info-text);
}

/* Modifier variants (.alert-success, .alert-info, etc.) — bootstrap-style aliases */
.alert-success {
  background-color: var(--color-success-bg);
  border-color: var(--color-success);
  color: var(--color-success-text);
}

.alert-warning {
  background-color: var(--color-warning-bg);
  border-color: var(--color-warning);
  color: var(--color-warning-text);
}

.alert-danger {
  background-color: var(--color-danger-bg);
  border-color: var(--color-danger);
  color: var(--color-danger-text);
}

.alert-info {
  background-color: var(--color-info-bg);
  border-color: var(--color-info);
  color: var(--color-info-text);
}

/* Dismiss button inside alert */
.alert__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: none;
  border: none;
  font-size: var(--font-size-lg);
  line-height: 1;
  color: inherit;
  opacity: 0.5;
  cursor: pointer;
  transition: opacity var(--transition-fast);
  padding: 0;
}

.alert__close:hover {
  opacity: 1;
}


/* ================================================
   MODALS
   ================================================ */

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.45);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal-backdrop--active {
  opacity: 1;
  visibility: visible;
}

.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow: auto;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal--active {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  gap: var(--space-3);
}

.modal__title {
  margin: 0;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.modal__body {
  padding: var(--space-6);
  color: var(--color-text);
}

.modal__footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-6);
  border-top: 1px solid var(--color-border);
  background-color: var(--color-surface-alt);
}


/* ================================================
   TOOLTIPS
   ================================================ */

.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip__content {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  padding: var(--space-2) var(--space-3);
  /* Dark tooltip bubble works in both light & dark themes */
  background-color: var(--color-text);
  color: var(--color-bg);
  font-size: var(--font-size-xs);
  white-space: nowrap;
  border-radius: var(--radius-md);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: var(--z-tooltip);
  pointer-events: none;
}

.tooltip__content::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: var(--color-text);
}

.tooltip:hover .tooltip__content {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(-12px);
}


/* ================================================
   PROGRESS BARS
   ================================================ */

.progress {
  position: relative;
  width: 100%;
  height: 8px;
  background-color: var(--color-surface-alt);
  border-radius: var(--radius-full);
  overflow: hidden;
  border: 1px solid var(--color-border-subtle);
}

.progress__bar {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow) ease-out;
}

/* Animated striped variant */
.progress--striped .progress__bar {
  background-image: linear-gradient(
    45deg,
    rgba(255, 255, 255, 0.15) 25%,
    transparent 25%,
    transparent 50%,
    rgba(255, 255, 255, 0.15) 50%,
    rgba(255, 255, 255, 0.15) 75%,
    transparent 75%,
    transparent
  );
  background-size: 40px 40px;
  animation: progressStripes 1s linear infinite;
}

@keyframes progressStripes {
  from { background-position: 40px 0; }
  to { background-position: 0 0; }
}


/* ================================================
   LOADING STATES & SPINNERS
   ================================================ */

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}

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

.spinner--sm {
  width: 16px;
  height: 16px;
  border-width: 2px;
}

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

/* --------------------------------------------------------------------------
   Skeleton loader
   -------------------------------------------------------------------------- */

.skeleton {
  position: relative;
  overflow: hidden;
  background-color: var(--color-surface-alt);
  border-radius: var(--radius-sm);
}

.skeleton::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  transform: translateX(-100%);
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.4),
    transparent
  );
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  100% { transform: translateX(100%); }
}

.skeleton--text   { height: 1em; margin-bottom: var(--space-2); }
.skeleton--title  { height: 2em; width: 50%; margin-bottom: var(--space-4); }
.skeleton--button { height: 40px; width: 120px; }
.skeleton--avatar { width: 48px; height: 48px; border-radius: 50%; }


/* ================================================
   UTILITY CLASSES
   ================================================ */

/* Entrance animations */
.fade-in {
  animation: fadeIn var(--transition-medium) ease-out both;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.fade-in-up {
  animation: fadeInUp var(--transition-medium) ease-out both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Gradient text — uses primary color range */
.gradient-text {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Visually hidden but accessible to screen readers */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}


/* ================================================
   ENTITY CARDS — business list items
   ================================================ */

.entity-card {
  cursor: default;
}

.entity-card:not(.entity-card--active):hover {
  border-color: var(--color-border-strong) !important;
  box-shadow: 0 2px 8px rgba(55, 53, 47, 0.06);
}

.entity-card--active {
  border-color: var(--color-primary) !important;
  box-shadow: 0 0 0 3px rgba(35, 131, 226, 0.1);
}


/* ================================================
   PAGE HEADER — friendly section header
   ================================================ */

.page-header {
  margin-bottom: 2rem;
  padding-top: 1.5rem;
}

.page-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.page-header p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  margin: 0;
}