/**
 * BIG ZAINT — Customer Components Library
 * Buttons, Forms, Cards, Badges, Modals, Toasts, Skeletons, Animations
 */

/* =========================================================================
   1. Buttons System
   ========================================================================= */
.c-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  min-height: var(--c-min-touch);
  font-family: var(--c-font);
  font-size: var(--c-fs-base);
  font-weight: var(--c-fw-semibold);
  line-height: 1;
  text-decoration: none;
  border-radius: var(--c-radius-sm);
  border: 1.5px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  position: relative;
  overflow: hidden;
  transition: all var(--c-transition-fast);
  -webkit-tap-highlight-color: transparent;
}

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

.c-btn:disabled,
.c-btn.is-disabled {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
  box-shadow: none !important;
  transform: none !important;
}

/* Primary Button (Deep Navy) */
.customer-app .c-btn-primary,
.customer-app a.c-btn-primary,
.c-btn-primary,
a.c-btn-primary,
button.c-btn-primary {
  background-color: var(--c-primary) !important;
  color: #ffffff !important;
  box-shadow: 0 4px 12px rgba(12, 53, 120, 0.20);
}

.customer-app .c-btn-primary *,
.customer-app a.c-btn-primary *,
.c-btn-primary * {
  color: #ffffff !important;
}

.customer-app .c-btn-primary:hover,
.customer-app a.c-btn-primary:hover,
.c-btn-primary:hover {
  background-color: var(--c-primary-hover) !important;
  color: #ffffff !important;
  box-shadow: 0 6px 18px rgba(12, 53, 120, 0.30);
  transform: translateY(-1px);
}

.customer-app .c-btn-primary:active,
.customer-app a.c-btn-primary:active,
.c-btn-primary:active {
  transform: scale(0.98);
  color: #ffffff !important;
}

/* Accent Button (BIG ZAINT Vibrant Orange) */
.customer-app .c-btn-accent,
.customer-app a.c-btn-accent,
.c-btn-accent,
a.c-btn-accent,
button.c-btn-accent {
  background-color: var(--c-accent) !important;
  color: #ffffff !important;
  box-shadow: 0 4px 14px rgba(249, 115, 22, 0.25);
}

.customer-app .c-btn-accent *,
.customer-app a.c-btn-accent *,
.c-btn-accent * {
  color: #ffffff !important;
}

.customer-app .c-btn-accent:hover,
.customer-app a.c-btn-accent:hover,
.c-btn-accent:hover {
  background-color: var(--c-accent-hover) !important;
  color: #ffffff !important;
  box-shadow: 0 6px 20px rgba(249, 115, 22, 0.35);
  transform: translateY(-1px);
}

/* Secondary Button (Clean Slate Outline) */
.c-btn-secondary {
  background-color: var(--c-surface);
  color: var(--c-text);
  border-color: var(--c-border);
  box-shadow: var(--c-shadow-xs);
}

.c-btn-secondary:hover {
  background-color: var(--c-surface-soft);
  border-color: var(--c-border-strong);
  color: var(--c-primary);
  transform: translateY(-1px);
}

/* Ghost Button (Minimal Action) */
.c-btn-ghost {
  background-color: transparent;
  color: var(--c-text-muted);
}

.c-btn-ghost:hover {
  background-color: var(--c-surface-soft);
  color: var(--c-primary);
}

/* Danger Button */
.customer-app .c-btn-danger,
.customer-app a.c-btn-danger,
.c-btn-danger,
a.c-btn-danger,
button.c-btn-danger {
  background-color: var(--c-danger) !important;
  color: #ffffff !important;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.25);
}

.customer-app .c-btn-danger *,
.customer-app a.c-btn-danger *,
.c-btn-danger * {
  color: #ffffff !important;
}

.customer-app .c-btn-danger:hover,
.customer-app a.c-btn-danger:hover,
.c-btn-danger:hover {
  background-color: var(--c-danger-hover) !important;
  color: #ffffff !important;
  box-shadow: 0 6px 16px rgba(239, 68, 68, 0.35);
  transform: translateY(-1px);
}

/* Button Sizing */
.c-btn-sm {
  padding: 0.4375rem 0.875rem;
  font-size: var(--c-fs-sm);
  min-height: 38px;
  border-radius: var(--c-radius-xs);
}

.c-btn-lg {
  padding: 0.8125rem 1.75rem;
  font-size: var(--c-fs-md);
  min-height: 52px;
  border-radius: var(--c-radius-md);
}

.c-btn-block {
  display: flex;
  width: 100%;
}

.c-btn-icon-only {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--c-radius-sm);
  flex-shrink: 0;
}

/* Loading Spinner State */
.c-btn.is-loading {
  color: transparent !important;
  pointer-events: none;
  position: relative;
}

.c-btn.is-loading::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  top: 50%;
  left: 50%;
  margin: -10px 0 0 -10px;
  border: 2.5px solid rgba(255, 255, 255, 0.35);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: cSpin 0.7s linear infinite;
}

.c-btn-secondary.is-loading::after,
.c-btn-ghost.is-loading::after {
  border-color: rgba(12, 53, 120, 0.2);
  border-top-color: var(--c-primary);
}

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

/* =========================================================================
   2. Form Controls & Inputs
   ========================================================================= */
.c-form-group {
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.c-label,
.c-form-label {
  font-size: var(--c-fs-sm);
  font-weight: var(--c-fw-semibold);
  color: var(--c-text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  line-height: 1.4;
  margin-bottom: 0.15rem;
}

.c-label .c-req,
.c-form-label .c-req {
  color: var(--c-danger);
  margin-left: 2px;
}

.c-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.c-input-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--c-text-subtle);
  font-size: 1rem;
  pointer-events: none;
  transition: color var(--c-transition-fast);
  z-index: 2;
}

.c-input-wrap.has-icon .c-input,
.c-input-wrap.has-icon .c-form-input,
.c-input.has-icon-left,
.c-form-input.has-icon-left {
  padding-left: 2.85rem !important;
}

.c-input-password-toggle {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--c-text-muted);
  cursor: pointer;
  padding: 0;
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--c-radius-full);
  z-index: 2;
  transition: color var(--c-transition-fast), background-color var(--c-transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.c-input-password-toggle:hover {
  color: var(--c-primary);
  background-color: var(--c-surface-soft);
}

.c-input,
.c-form-input,
.c-select,
.c-textarea {
  width: 100%;
  box-sizing: border-box;
  min-height: 48px;
  padding: 0.6875rem 1rem;
  font-family: var(--c-font);
  font-size: var(--c-fs-md); /* 16px to prevent iOS auto-zoom */
  color: var(--c-text);
  background-color: var(--c-surface);
  border: 1.5px solid var(--c-border);
  border-radius: var(--c-radius-sm);
  box-shadow: var(--c-shadow-xs);
  outline: none;
  transition: border-color var(--c-transition-fast), box-shadow var(--c-transition-fast), background-color var(--c-transition-fast);
}

.c-textarea {
  min-height: 100px;
  padding: 0.75rem 1rem;
  resize: vertical;
}

.c-input::placeholder,
.c-form-input::placeholder,
.c-textarea::placeholder {
  color: var(--c-text-subtle);
  font-weight: var(--c-fw-regular);
}

.c-input:hover,
.c-form-input:hover,
.c-select:hover,
.c-textarea:hover {
  border-color: var(--c-border-strong);
}

.c-input:focus,
.c-form-input:focus,
.c-select:focus,
.c-textarea:focus {
  border-color: var(--c-border-focus);
  box-shadow: 0 0 0 3px rgba(12, 53, 120, 0.12);
  background-color: #ffffff;
}

.c-input-wrap:focus-within .c-input-icon {
  color: var(--c-primary);
}

/* Error & Success States */
.c-form-group.has-error .c-input,
.c-form-group.has-error .c-form-input,
.c-input.is-invalid,
.c-form-input.is-invalid {
  border-color: var(--c-danger);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12);
}

.c-field-hint {
  font-size: var(--c-fs-xs);
  color: var(--c-text-muted);
  margin-top: 0.25rem;
}

.c-field-error {
  font-size: var(--c-fs-xs);
  font-weight: var(--c-fw-medium);
  color: var(--c-danger);
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-top: 0.25rem;
}

/* =========================================================================
   Responsive Form Grids
   ========================================================================= */
.c-form-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  width: 100%;
  box-sizing: border-box;
}

.c-form-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  width: 100%;
  box-sizing: border-box;
}

@media (max-width: 640px) {
  .c-form-grid-2,
  .c-form-grid-3 {
    grid-template-columns: 1fr !important;
    gap: 1rem !important;
  }
}

/* =========================================================================
   3. Cards & Surfaces
   ========================================================================= */
.c-card {
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--c-radius-md);
  box-shadow: var(--c-shadow-sm);
  padding: 1.25rem;
  position: relative;
  transition: transform var(--c-transition-normal), box-shadow var(--c-transition-normal), border-color var(--c-transition-normal);
}

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

.c-card-interactive:hover {
  transform: translateY(-2px);
  box-shadow: var(--c-shadow-hover);
  border-color: rgba(12, 53, 120, 0.25);
}

.c-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--c-border-subtle);
}

.c-card-title {
  font-size: var(--c-fs-lg);
  font-weight: var(--c-fw-bold);
  color: var(--c-text);
  margin: 0;
}

.c-card-footer {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--c-border-subtle);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* =========================================================================
   4. Status Pills & Badges
   ========================================================================= */
.c-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.625rem;
  font-size: var(--c-fs-xs);
  font-weight: var(--c-fw-semibold);
  line-height: 1.2;
  border-radius: var(--c-radius-full);
  white-space: nowrap;
}

.c-badge-primary { background: var(--c-primary-light); color: var(--c-primary-text); }
.c-badge-accent  { background: var(--c-accent-light);  color: var(--c-accent-text); }
.c-badge-success { background: var(--c-success-light); color: var(--c-success-text); }
.c-badge-warning { background: var(--c-warning-light); color: var(--c-warning-text); }
.c-badge-danger  { background: var(--c-danger-light);  color: var(--c-danger-text); }
.c-badge-neutral { background: var(--c-surface-soft);  color: var(--c-text-muted); }

/* Order Lifecycle Status Pills */
.c-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3125rem 0.75rem;
  font-size: var(--c-fs-xs);
  font-weight: var(--c-fw-semibold);
  border-radius: var(--c-radius-full);
  line-height: 1;
}

.c-status-pill::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: currentColor;
}

/* Specific Milestones */
.c-status-placed     { background: #eff6ff; color: #1d4ed8; }
.c-status-confirmed  { background: #e0e7ff; color: #4338ca; }
.c-status-packed     { background: #ede9fe; color: #6d28d9; }
.c-status-shipped    { background: #e0f2fe; color: #0284c7; }
.c-status-out        { background: #fef3c7; color: #b45309; }
.c-status-delivered  { background: #dcfce7; color: #15803d; }
.c-status-cancelled  { background: #fee2e2; color: #b91c1c; }
.c-status-returned   { background: #f3e8ff; color: #7e22ce; }

/* =========================================================================
   5. Modals & In-Page Dialogs
   ========================================================================= */
.c-modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(4px);
  z-index: 1050;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--c-transition-normal), visibility var(--c-transition-normal);
}

.c-modal-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.c-modal-dialog {
  background-color: var(--c-surface);
  border-radius: var(--c-radius-lg);
  box-shadow: var(--c-shadow-xl);
  border: 1px solid var(--c-border);
  width: 100%;
  max-width: 500px;
  overflow: hidden;
  transform: translateY(12px) scale(0.97);
  transition: transform var(--c-transition-normal);
}

.c-modal-overlay.is-open .c-modal-dialog {
  transform: translateY(0) scale(1);
}

.c-modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--c-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.c-modal-title {
  font-size: var(--c-fs-lg);
  font-weight: var(--c-fw-bold);
  color: var(--c-text);
  margin: 0;
}

.c-modal-close {
  background: transparent;
  border: none;
  font-size: 1.25rem;
  color: var(--c-text-muted);
  cursor: pointer;
  padding: 0.25rem;
  line-height: 1;
  border-radius: var(--c-radius-xs);
  transition: color var(--c-transition-fast), background-color var(--c-transition-fast);
}

.c-modal-close:hover {
  color: var(--c-text);
  background-color: var(--c-surface-soft);
}

.c-modal-body {
  padding: 1.5rem;
  max-height: 75vh;
  overflow-y: auto;
}

.c-modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--c-border-subtle);
  background-color: var(--c-surface-subtle);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* =========================================================================
   6. Toast Notifications System
   ========================================================================= */
.c-toast-container {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 1100;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  max-width: 400px;
  width: calc(100vw - 2.5rem);
  pointer-events: none;
}

.c-toast {
  pointer-events: auto;
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--c-radius-md);
  box-shadow: var(--c-shadow-lg);
  padding: 0.875rem 1.125rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  animation: cToastSlideIn 0.3s var(--c-ease-out) forwards;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.c-toast.is-hiding {
  opacity: 0;
  transform: translateX(30px);
}

@keyframes cToastSlideIn {
  from {
    opacity: 0;
    transform: translateY(-12px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.c-toast-icon {
  font-size: 1.125rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.c-toast-body {
  flex: 1;
}

.c-toast-title {
  font-size: var(--c-fs-sm);
  font-weight: var(--c-fw-bold);
  color: var(--c-text);
  margin-bottom: 2px;
}

.c-toast-msg {
  font-size: var(--c-fs-xs);
  color: var(--c-text-muted);
  line-height: 1.4;
}

.c-toast-close {
  background: none;
  border: none;
  color: var(--c-text-subtle);
  cursor: pointer;
  padding: 0;
  font-size: 1rem;
}

.c-toast-close:hover { color: var(--c-text); }

.c-toast-success .c-toast-icon { color: var(--c-success); }
.c-toast-error   .c-toast-icon { color: var(--c-danger); }
.c-toast-warning .c-toast-icon { color: var(--c-warning); }
.c-toast-info    .c-toast-icon { color: var(--c-info); }

/* =========================================================================
   7. Skeleton Loaders & Shimmer
   ========================================================================= */
.c-skeleton {
  background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 50%, #f1f5f9 75%);
  background-size: 200% 100%;
  animation: cShimmer 1.6s infinite ease-in-out;
  border-radius: var(--c-radius-xs);
}

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

.c-skeleton-text {
  height: 1rem;
  margin-bottom: 0.5rem;
}

.c-skeleton-title {
  height: 1.5rem;
  width: 60%;
  margin-bottom: 0.75rem;
}

.c-skeleton-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
}

/* =========================================================================
   8. Empty States & Error States
   ========================================================================= */
.c-empty-state {
  text-align: center;
  padding: 3.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.c-empty-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background-color: var(--c-primary-light);
  color: var(--c-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.875rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 4px 14px rgba(12, 53, 120, 0.08);
}

.c-empty-title {
  font-size: var(--c-fs-xl);
  font-weight: var(--c-fw-bold);
  color: var(--c-text);
  margin-bottom: 0.5rem;
}

.c-empty-desc {
  font-size: var(--c-fs-sm);
  color: var(--c-text-muted);
  max-width: 380px;
  margin-bottom: 1.5rem;
  line-height: var(--c-lh-relaxed);
}

/* Micro-animations */
@keyframes cFadeUp {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.c-animate-fade-up {
  animation: cFadeUp 0.35s var(--c-ease-out) forwards;
}

.c-heart-beat {
  animation: cHeart 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes cHeart {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.35); color: #ef4444; }
  100% { transform: scale(1); }
}