/* Base & Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--text-main);
  background-color: var(--bg-app);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Global SVG Icons */
.icon {
  width: 1.25rem;
  height: 1.25rem;
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
  fill: currentColor;
}
.icon-sm { width: 1rem; height: 1rem; }
.icon-lg { width: 1.5rem; height: 1.5rem; }
.icon-xl { width: 2rem; height: 2rem; }
.mr-1 { margin-right: var(--space-1); }
.mr-1\.5 { margin-right: 0.375rem; }
.mr-2 { margin-right: var(--space-2); }
.ml-1 { margin-left: var(--space-1); }
.ml-2 { margin-left: var(--space-2); }

/* Numeric & Money display - Tabular figures (UI-04) */
.num, .amount, .money, .currency, [data-num] {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
}

/* Typography elements */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.25;
}
h1 { font-size: var(--font-size-2xl); }
h2 { font-size: var(--font-size-xl); }
h3 { font-size: var(--font-size-lg); }
h4 { font-size: var(--font-size-base); }

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover {
  text-decoration: underline;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: var(--touch-target);
  padding: 0.5rem 1rem;
  font-family: inherit;
  font-size: var(--font-size-sm);
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  user-select: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.btn:active {
  transform: scale(0.98);
}
.btn[disabled], .btn.disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}
.btn-primary:hover {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
  text-decoration: none;
}

.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--text-main);
  border-color: var(--border);
}
.btn-secondary:hover {
  background-color: var(--bg-subtle);
  text-decoration: none;
}

.btn-success {
  background-color: var(--success);
  color: #ffffff;
}
.btn-warning {
  background-color: var(--warning);
  color: #ffffff;
}
.btn-danger {
  background-color: var(--danger);
  color: #ffffff;
}

.btn-xs {
  min-height: 24px;
  padding: 0.15rem 0.5rem;
  font-size: 11px;
  border-radius: var(--radius-sm);
}
.btn-sm {
  min-height: 34px;
  padding: 0.25rem 0.625rem;
  font-size: var(--font-size-xs);
}
.btn-lg {
  min-height: 52px;
  padding: 0.75rem 1.5rem;
  font-size: var(--font-size-lg);
  font-weight: 600;
}
.btn-icon {
  width: var(--touch-target);
  padding: 0;
}

/* Form Controls */
.form-group {
  margin-bottom: var(--space-4);
}
.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--space-1);
  color: var(--text-main);
}
.form-label.required::after {
  content: " *";
  color: var(--danger);
  font-weight: 700;
}
.form-hint {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-top: var(--space-1);
}
.form-error {
  font-size: var(--font-size-xs);
  color: var(--danger);
  margin-top: var(--space-1);
}

.input, .select, .textarea, .form-control, .form-select {
  width: 100%;
  min-height: var(--touch-target);
  padding: 0.5rem 0.75rem;
  font-family: inherit;
  font-size: var(--font-size-base);
  color: var(--text-main);
  background-color: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  display: block;
}
.input:focus, .select:focus, .textarea:focus, .form-control:focus, .form-select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--primary-ring);
}
.input-sm, .select-sm, .form-control-sm, .form-select-sm {
  min-height: 32px;
  padding: 0.25rem 0.5rem;
  font-size: var(--font-size-xs);
  border-radius: var(--radius-sm);
}
.input-error, .form-control.is-invalid {
  border-color: var(--danger) !important;
}
.form-check-input {
  width: 1.125rem;
  height: 1.125rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  accent-color: var(--primary);
  cursor: pointer;
}

/* Switch / Toggle */
.switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  gap: var(--space-2);
}
.switch input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}
.switch-slider {
  width: 44px;
  height: 24px;
  background-color: var(--border);
  border-radius: var(--radius-full);
  transition: var(--transition-fast);
  position: relative;
}
.switch-slider::before {
  content: "";
  position: absolute;
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  border-radius: 50%;
  transition: var(--transition-fast);
}
.switch input:checked + .switch-slider {
  background-color: var(--primary);
}
.switch input:checked + .switch-slider::before {
  transform: translateX(20px);
}

/* Page Header */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}
@media (max-width: 767px) {
  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
  }
}

/* Cards */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  max-width: 100%;
}
.card-header {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
}
.card-body {
  padding: var(--space-5);
}
.card-footer {
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--border);
  background-color: var(--bg-subtle);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
  line-height: 1;
}
.badge-primary { background-color: var(--primary-light); color: var(--primary); }
.badge-success { background-color: var(--success-light); color: var(--success); }
.badge-warning { background-color: var(--warning-light); color: var(--warning); }
.badge-danger  { background-color: var(--danger-light); color: var(--danger); }
.badge-neutral { background-color: var(--bg-subtle); color: var(--text-muted); }

/* Tables */
.table-container {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background-color: var(--bg-surface);
}
.table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: var(--font-size-sm);
}
.table th {
  padding: var(--space-3) var(--space-4);
  background-color: var(--bg-subtle);
  color: var(--text-muted);
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border);
  color: var(--text-main);
  vertical-align: middle;
}
.table tr:last-child td {
  border-bottom: none;
}
.table tbody tr:hover {
  background-color: var(--bg-subtle);
}

/* Modals & Bottom Sheets (UI-03, MOB-07) */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(2px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}
.modal-backdrop.active {
  display: flex;
}
.modal {
  background-color: var(--bg-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: modalIn 180ms ease-out;
}
@keyframes modalIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}
.modal-header {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-body {
  padding: var(--space-5);
  overflow-y: auto;
}
.modal-footer {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  background-color: var(--bg-subtle);
}

/* Bottom Sheet on Mobile (MOB-07) */
@media (max-width: 767px) {
  .modal-sheet .modal {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    max-width: 100%;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    animation: sheetUp 200ms ease-out;
  }
  @keyframes sheetUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
  }
}

/* Toasts (UI-14) */
#toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
}
.toast {
  pointer-events: auto;
  min-width: 280px;
  max-width: 400px;
  padding: var(--space-3) var(--space-4);
  background-color: var(--bg-surface);
  color: var(--text-main);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--primary);
  box-shadow: var(--shadow-lg);
  font-size: var(--font-size-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  animation: toastIn 180ms ease-out;
}
.toast-success { border-left-color: var(--success); }
.toast-danger  { border-left-color: var(--danger); }
.toast-warning { border-left-color: var(--warning); }
@keyframes toastIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Empty States (UI-16) */
.empty-state {
  text-align: center;
  padding: var(--space-8) var(--space-4);
}
.empty-state-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-3);
  color: var(--text-light);
}

/* Skeleton Loaders (UI-17) */
.skeleton {
  background: linear-gradient(90deg, var(--bg-subtle) 25%, var(--border) 50%, var(--bg-subtle) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
  display: inline-block;
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Comprehensive Layout & Utility System */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.block { display: block; }
.inline-block { display: inline-block; }
.hidden { display: none; }

.flex-row { flex-direction: row; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }

.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-stretch { align-items: stretch; }

.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }

.flex-1 { flex: 1 1 0%; }
.flex-none { flex: none; }
.shrink-0 { flex-shrink: 0; }

/* Grid System */
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }

.col-span-1 { grid-column: span 1 / span 1; }
.col-span-2 { grid-column: span 2 / span 2; }
.col-span-3 { grid-column: span 3 / span 3; }
.col-span-4 { grid-column: span 4 / span 4; }
.col-span-5 { grid-column: span 5 / span 5; }
.col-span-full { grid-column: 1 / -1; }

/* Responsive Grid Overrides for Mobile (< 768px) */
@media (max-width: 767px) {
  .grid-cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-cols-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-cols-5 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-cols-6 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .col-span-2, .col-span-3, .col-span-4, .col-span-5 { grid-column: span 1 / span 1; }

  /* Mobile element scaling */
  .btn {
    min-height: 38px;
    padding: 0.35rem 0.75rem;
    font-size: var(--font-size-sm);
  }
  .btn-sm {
    min-height: 32px;
    padding: 0.2rem 0.5rem;
    font-size: var(--font-size-xs);
  }
  .input, .select, .textarea, .form-control, .form-select {
    min-height: 38px;
    padding: 0.4rem 0.625rem;
    font-size: var(--font-size-sm);
  }
  .card-header {
    padding: var(--space-3) var(--space-4);
  }
  .card-body {
    padding: var(--space-3) var(--space-4);
  }
  .card-footer {
    padding: var(--space-2) var(--space-4);
  }
  .table-container {
    border-radius: var(--radius-md);
    -webkit-overflow-scrolling: touch;
    max-width: 100%;
  }
  .table th, .table td {
    padding: 8px 10px;
    font-size: var(--font-size-xs);
  }
}

@media (max-width: 480px) {
  .grid-cols-3 { grid-template-columns: 1fr; }
}

@media (min-width: 768px) {
  .md\:grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .md\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .md\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }

  .md\:col-span-1 { grid-column: span 1 / span 1; }
  .md\:col-span-2 { grid-column: span 2 / span 2; }
  .md\:col-span-3 { grid-column: span 3 / span 3; }
  .md\:col-span-4 { grid-column: span 4 / span 4; }
  .md\:col-span-5 { grid-column: span 5 / span 5; }

  .md\:flex-row { flex-direction: row; }
  .md\:flex-col { flex-direction: column; }
  .md\:items-center { align-items: center; }
  .md\:items-start { align-items: flex-start; }
  .md\:justify-between { justify-content: space-between; }
  .md\:block { display: block; }
  .md\:flex { display: flex; }
  .md\:hidden { display: none; }
}

/* Visibility Utilities */
.hide-desktop { display: none !important; }
.hide-mobile { display: block; }
@media (max-width: 767px) {
  .hide-mobile { display: none !important; }
  .hide-desktop { display: flex !important; }
  .w-full-mobile { width: 100% !important; }
  .flex-col-mobile { flex-direction: column !important; }
}

/* Gap Utilities */
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: 1.25rem; }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: 2rem; }

/* Spacing: Margins */
.m-0 { margin: 0; }
.mx-auto { margin-left: auto; margin-right: auto; }
.my-auto { margin-top: auto; margin-bottom: auto; }
.ml-auto { margin-left: auto; }
.mr-auto { margin-right: auto; }

.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: 1.25rem; }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: 2rem; }

.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: 1.25rem; }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: 2rem; }

.mr-1 { margin-right: var(--space-1); }
.mr-2 { margin-right: var(--space-2); }
.mr-3 { margin-right: var(--space-3); }
.mr-4 { margin-right: var(--space-4); }

.ml-1 { margin-left: var(--space-1); }
.ml-2 { margin-left: var(--space-2); }
.ml-3 { margin-left: var(--space-3); }
.ml-4 { margin-left: var(--space-4); }

/* Spacing: Paddings */
.p-0 { padding: 0; }
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-5 { padding: 1.25rem; }
.p-6 { padding: var(--space-6); }
.p-8 { padding: 2rem; }
.p-12 { padding: 3rem; }

.px-1 { padding-left: var(--space-1); padding-right: var(--space-1); }
.px-2 { padding-left: var(--space-2); padding-right: var(--space-2); }
.px-3 { padding-left: var(--space-3); padding-right: var(--space-3); }
.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-5 { padding-left: 1.25rem; padding-right: 1.25rem; }
.px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }
.px-8 { padding-left: 2rem; padding-right: 2rem; }

.py-1 { padding-top: var(--space-1); padding-bottom: var(--space-1); }
.py-2 { padding-top: var(--space-2); padding-bottom: var(--space-2); }
.py-3 { padding-top: var(--space-3); padding-bottom: var(--space-3); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-5 { padding-top: 1.25rem; padding-bottom: 1.25rem; }
.py-6 { padding-top: var(--space-6); padding-bottom: var(--space-6); }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }

.pt-2 { padding-top: var(--space-2); }
.pt-4 { padding-top: var(--space-4); }
.pb-2 { padding-bottom: var(--space-2); }
.pb-3 { padding-bottom: var(--space-3); }
.pb-4 { padding-bottom: var(--space-4); }
.pb-6 { padding-bottom: var(--space-6); }

/* Space Between Direct Children */
.space-y-1 > * + * { margin-top: var(--space-1); }
.space-y-2 > * + * { margin-top: var(--space-2); }
.space-y-3 > * + * { margin-top: var(--space-3); }
.space-y-4 > * + * { margin-top: var(--space-4); }
.space-y-6 > * + * { margin-top: var(--space-6); }

.space-x-1 > * + * { margin-left: var(--space-1); }
.space-x-2 > * + * { margin-left: var(--space-2); }
.space-x-3 > * + * { margin-left: var(--space-3); }
.space-x-4 > * + * { margin-left: var(--space-4); }

/* Dimensions & Widths */
.w-full { width: 100%; }
.h-full { height: 100%; }
.w-auto { width: auto; }
.h-auto { height: auto; }
.w-fit { width: fit-content; }
.h-fit { height: fit-content; }

.w-3 { width: 0.75rem; }
.h-3 { height: 0.75rem; }
.w-4 { width: 1rem; }
.h-4 { height: 1rem; }
.w-5 { width: 1.25rem; }
.h-5 { height: 1.25rem; }
.w-6 { width: 1.5rem; }
.h-6 { height: 1.5rem; }
.w-8 { width: 2rem; }
.h-8 { height: 2rem; }
.w-10 { width: 2.5rem; }
.h-10 { height: 2.5rem; }
.w-12 { width: 3rem; }
.h-12 { height: 3rem; }
.w-16 { width: 4rem; }
.h-16 { height: 4rem; }

.max-w-xs { max-width: 20rem; }
.max-w-sm { max-width: 24rem; }
.max-w-md { max-width: 28rem; }
.max-w-lg { max-width: 32rem; }
.max-w-xl { max-width: 36rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }
.max-w-5xl { max-width: 64rem; }
.max-w-6xl { max-width: 72rem; }

/* Typography */
.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-2xl { font-size: var(--font-size-2xl); }
.text-3xl { font-size: var(--font-size-3xl); }
.text-4xl { font-size: 2.25rem; }

.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-mono { font-family: var(--font-mono, monospace); }

.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }
.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Colors */
.text-gray-900 { color: #111827; }
.text-gray-800 { color: #1f2937; }
.text-gray-700 { color: #374151; }
.text-gray-600 { color: #4b5563; }
.text-gray-500 { color: #6b7280; }
.text-gray-400 { color: #9ca3af; }

.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-muted { color: var(--text-muted); }

.text-emerald-600 { color: #059669; }
.text-rose-600 { color: #e11d48; }
.text-blue-600 { color: #2563eb; }
.text-amber-600 { color: #d97706; }

/* Background Colors */
.bg-white { background-color: #ffffff; }
.bg-surface { background-color: var(--bg-surface); }
.bg-gray-50 { background-color: #f9fafb; }
.bg-gray-100 { background-color: #f3f4f6; }
.bg-gray-200 { background-color: #e5e7eb; }

.bg-primary-light { background-color: rgba(37, 99, 235, 0.08); }
.bg-emerald-50 { background-color: #ecfdf5; }
.bg-rose-50 { background-color: #fff1f2; }
.bg-amber-50 { background-color: #fffbeb; }
.bg-blue-50 { background-color: #eff6ff; }

/* Borders & Dividers */
.border { border: 1px solid var(--border); }
.border-0 { border: 0; }
.border-t { border-top: 1px solid var(--border); }
.border-b { border-bottom: 1px solid var(--border); }
.border-l { border-left: 1px solid var(--border); }
.border-r { border-right: 1px solid var(--border); }
.border-dashed { border-style: dashed; }

.border-l-4 { border-left-width: 4px; border-left-style: solid; }
.border-l-primary { border-left-color: var(--primary); }
.border-l-success { border-left-color: var(--success); }
.border-l-warning { border-left-color: var(--warning); }
.border-l-danger { border-left-color: var(--danger); }

.border-gray-100 { border-color: #f3f4f6; }
.border-gray-200 { border-color: #e5e7eb; }
.border-gray-300 { border-color: #d1d5db; }

/* Border Radius */
.rounded-none { border-radius: 0; }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded { border-radius: var(--radius-md); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

/* Shadows */
.shadow-none { box-shadow: none; }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* Interactive States & Effects */
.cursor-pointer { cursor: pointer; }
.hover\:bg-gray-50:hover { background-color: #f9fafb; }
.hover\:bg-gray-100:hover { background-color: #f3f4f6; }
.hover\:text-primary:hover { color: var(--primary) !important; }
.hover\:shadow-md:hover { box-shadow: var(--shadow-md); }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}