/* ============================================================
   UNIFIED COMPONENTS — FerruciSegMed SST SaaS
   Sistema de componentes ui-* padronizados conforme CLAUDE.md §22
   Reescrito: 2026-03-30 — Big Tech / Product-level visual quality
   ============================================================ */

/* ──────────────────────────────────────────────────────────────
   BUTTONS
   ────────────────────────────────────────────────────────────── */
.ui-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .375rem;
  height: 36px;
  padding: 0 1rem;
  border-radius: var(--radius-input, 7px);
  font-size: .875rem;
  font-weight: 500;
  line-height: 1;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background var(--transition-fast), border-color var(--transition-fast),
              box-shadow var(--transition-fast), color var(--transition-fast),
              transform 80ms ease;
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
  font-family: inherit;
  letter-spacing: .01em;
}
.ui-btn:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus, 0 0 0 3px rgba(99,102,241,.18));
}
.ui-btn:active:not(:disabled) {
  transform: translateY(1px);
}
.ui-btn:disabled {
  opacity: .5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Primary */
.ui-btn-primary {
  background: var(--color-primary-500, #6366f1);
  color: #fff;
  border-color: var(--color-primary-500, #6366f1);
}
.ui-btn-primary:hover:not(:disabled) {
  background: var(--color-primary-600, #4f46e5);
  border-color: var(--color-primary-600, #4f46e5);
  box-shadow: 0 2px 8px rgba(99,102,241,.28);
}

/* Secondary */
.ui-btn-secondary {
  background: var(--color-bg-card, #fff);
  color: var(--color-text, #1e293b);
  border-color: var(--color-border, #e2e8f0);
}
.ui-btn-secondary:hover:not(:disabled) {
  background: var(--color-bg-hover, #f8fafc);
  border-color: var(--color-border-input, #cbd5e1);
  box-shadow: 0 2px 8px rgba(0,0,0,.08);
}

/* Danger */
.ui-btn-danger {
  background: var(--color-danger-500, #ef4444);
  color: #fff;
  border-color: var(--color-danger-500, #ef4444);
}
.ui-btn-danger:hover:not(:disabled) {
  background: var(--color-danger-600, #dc2626);
  border-color: var(--color-danger-600, #dc2626);
  box-shadow: 0 2px 8px rgba(239,68,68,.28);
}

/* Success */
.ui-btn-success {
  background: var(--color-success-500, #10b981);
  color: #fff;
  border-color: var(--color-success-500, #10b981);
}
.ui-btn-success:hover:not(:disabled) {
  background: var(--color-success-600, #059669);
  border-color: var(--color-success-600, #059669);
  box-shadow: 0 2px 8px rgba(16,185,129,.28);
}

/* Warning */
.ui-btn-warning {
  background: var(--color-warning-500, #f59e0b);
  color: #fff;
  border-color: var(--color-warning-500, #f59e0b);
}
.ui-btn-warning:hover:not(:disabled) {
  background: var(--color-warning-600, #d97706);
  border-color: var(--color-warning-600, #d97706);
  box-shadow: 0 2px 8px rgba(245,158,11,.28);
}

/* Outline */
.ui-btn-outline {
  background: transparent;
  color: var(--color-primary, #6366f1);
  border-color: var(--color-primary, #6366f1);
}
.ui-btn-outline:hover:not(:disabled) {
  background: var(--color-primary, #6366f1);
  color: #fff;
  box-shadow: 0 2px 8px rgba(99,102,241,.22);
}

/* Ghost */
.ui-btn-ghost {
  background: transparent;
  color: var(--color-text-secondary, #475569);
  border-color: transparent;
}
.ui-btn-ghost:hover:not(:disabled) {
  background: var(--color-bg-hover, #f8fafc);
  color: var(--color-text, #1e293b);
}

/* Sizes */
.ui-btn-sm {
  height: 28px;
  padding: 0 .75rem;
  font-size: .75rem;
  border-radius: 6px;
}
.ui-btn-lg {
  height: 44px;
  padding: 0 1.5rem;
  font-size: 1rem;
  border-radius: 8px;
}
.ui-btn-xl {
  height: 52px;
  padding: 0 2rem;
  font-size: 1.0625rem;
  border-radius: 10px;
}
.ui-btn-full { width: 100%; }

/* Dark mode — buttons */
[data-theme="dark"] .ui-btn-secondary {
  background: var(--color-bg-card, #1e293b);
  color: var(--color-text, #e2e8f0);
  border-color: var(--color-border, #334155);
}
[data-theme="dark"] .ui-btn-secondary:hover:not(:disabled) {
  background: var(--color-bg-muted, #334155);
  border-color: var(--color-border-input, #475569);
}
[data-theme="dark"] .ui-btn-ghost:hover:not(:disabled) {
  background: var(--color-bg-hover, #1e293b);
  color: var(--color-text, #e2e8f0);
}
[data-theme="dark"] .ui-btn-outline {
  color: var(--color-primary, #818cf8);
  border-color: var(--color-primary, #818cf8);
}
[data-theme="dark"] .ui-btn-outline:hover:not(:disabled) {
  background: var(--color-primary, #6366f1);
  color: #fff;
}

/* ──────────────────────────────────────────────────────────────
   INPUTS / FORMS
   ────────────────────────────────────────────────────────────── */
.ui-input,
.ui-select {
  width: 100%;
  height: 36px;
  padding: 0 .75rem;
  border: 1px solid var(--color-border-input, #cbd5e1);
  border-radius: var(--radius-input, 7px);
  font-size: .84375rem;
  font-family: inherit;
  color: var(--color-text, #1e293b);
  background: var(--color-bg-card, #fff);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}
.ui-textarea {
  width: 100%;
  padding: .5rem .75rem;
  border: 1px solid var(--color-border-input, #cbd5e1);
  border-radius: var(--radius-input, 7px);
  font-size: .84375rem;
  font-family: inherit;
  color: var(--color-text, #1e293b);
  background: var(--color-bg-card, #fff);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  resize: vertical;
  min-height: 100px;
  line-height: 1.5;
}
.ui-input::placeholder,
.ui-textarea::placeholder {
  color: var(--color-text-muted, #94a3b8);
}
.ui-input:focus,
.ui-textarea:focus,
.ui-select:focus {
  border-color: var(--color-primary, #6366f1);
  box-shadow: 0 0 0 3px rgba(99,102,241,.12);
}
.ui-input.error,
.ui-textarea.error,
.ui-select.error {
  border-color: var(--color-danger-500, #ef4444);
  box-shadow: 0 0 0 3px rgba(239,68,68,.1);
}
.ui-input:disabled,
.ui-textarea:disabled,
.ui-select:disabled {
  background: var(--color-bg-muted, #f1f5f9);
  color: var(--color-text-disabled, #cbd5e1);
  cursor: not-allowed;
}

.ui-label {
  display: block;
  font-size: .8125rem;
  font-weight: 500;
  color: var(--color-text-label, #374151);
  margin-bottom: 6px;
  line-height: 1.4;
}
.ui-help {
  font-size: .75rem;
  color: var(--color-text-muted, #94a3b8);
  margin-top: 4px;
  line-height: 1.4;
}
.ui-form-group {
  margin-bottom: 20px;
}
.ui-admin-form-actions {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 8px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border, #e2e8f0);
  margin-top: 4px;
}

/* Form grid layout */
.ui-form-grid, .form-grid { display: grid; gap: 1rem; }
.ui-form-grid-2, .form-grid-2 { grid-template-columns: 1fr 1fr; }
.ui-form-grid-3, .form-grid-3 { grid-template-columns: 1fr 1fr 1fr; }

/* Form check / toggle label */
.ui-check-label {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .875rem;
  font-weight: 500;
  cursor: pointer;
  color: var(--color-text, #1e293b);
}
.ui-check-label input[type="checkbox"],
.ui-check-label input[type="radio"] {
  accent-color: var(--color-primary-500, #6366f1);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

/* Input group (input + addon button) */
.ui-input-group {
  display: flex;
}
.ui-input-group .ui-input {
  border-radius: var(--radius-input, 7px) 0 0 var(--radius-input, 7px);
  border-right: none;
}
.ui-input-addon {
  display: inline-flex;
  align-items: center;
  padding: 0 .75rem;
  border: 1px solid var(--color-border-input, #cbd5e1);
  border-left: none;
  border-radius: 0 var(--radius-input, 7px) var(--radius-input, 7px) 0;
  background: var(--color-bg-muted, #f1f5f9);
  color: var(--color-text-secondary, #475569);
  font-size: .875rem;
  white-space: nowrap;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.ui-input-addon:hover {
  background: var(--color-bg-hover, #f8fafc);
  color: var(--color-text, #1e293b);
}

/* Readonly input */
.ui-input[readonly],
.ui-textarea[readonly] {
  background: var(--color-bg-muted, #f1f5f9);
  opacity: .85;
  cursor: default;
}

/* Required asterisk */
.ui-required, .required { color: var(--color-danger-500, #ef4444); }

/* Lookup button (CNPJ/CEP) */
.ui-lookup-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .375rem;
  height: 36px;
  padding: 0 1rem;
  background: var(--color-primary-500, #6366f1);
  color: #fff;
  border: none;
  border-radius: var(--radius-input, 7px);
  font-size: .8125rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition-fast);
}
.ui-lookup-btn:hover { background: var(--color-primary-600, #4f46e5); }
.ui-lookup-btn:disabled { opacity: .5; cursor: not-allowed; }

/* Dark mode — inputs */
[data-theme="dark"] .ui-input,
[data-theme="dark"] .ui-textarea,
[data-theme="dark"] .ui-select {
  background: var(--color-bg-card, #1e293b);
  border-color: var(--color-border-input, #475569);
  color: var(--color-text, #e2e8f0);
}
[data-theme="dark"] .ui-input::placeholder,
[data-theme="dark"] .ui-textarea::placeholder {
  color: var(--color-text-muted, #475569);
}
[data-theme="dark"] .ui-input:focus,
[data-theme="dark"] .ui-textarea:focus,
[data-theme="dark"] .ui-select:focus {
  border-color: var(--color-primary, #818cf8);
  box-shadow: 0 0 0 3px rgba(99,102,241,.18);
}
[data-theme="dark"] .ui-input:disabled,
[data-theme="dark"] .ui-textarea:disabled,
[data-theme="dark"] .ui-select:disabled {
  background: var(--color-bg-subtle, #334155);
  color: var(--color-text-disabled, #334155);
}
[data-theme="dark"] .ui-label {
  color: var(--color-text-label, #cbd5e1);
}
[data-theme="dark"] .ui-admin-form-actions {
  border-top-color: var(--color-border, #334155);
}
[data-theme="dark"] .ui-check-label { color: var(--color-text, #e2e8f0); }
[data-theme="dark"] .ui-input-addon {
  background: var(--color-bg-subtle, #334155);
  border-color: var(--color-border-input, #475569);
  color: var(--color-text-muted, #94a3b8);
}
[data-theme="dark"] .ui-input[readonly],
[data-theme="dark"] .ui-textarea[readonly] {
  background: var(--color-bg-subtle, #334155);
}
[data-theme="dark"] .ui-lookup-btn {
  background: var(--color-primary-500, #6366f1);
}

/* Responsive — form grids */
@media (max-width: 767px) {
  .ui-form-grid-2, .form-grid-2,
  .ui-form-grid-3, .form-grid-3 { grid-template-columns: 1fr; }
  .ui-admin-form-actions { flex-direction: column; }
  .ui-admin-form-actions .ui-btn { width: 100%; justify-content: center; }
}
@media (min-width: 768px) and (max-width: 1023px) {
  .ui-form-grid-3, .form-grid-3 { grid-template-columns: 1fr 1fr; }
}

/* ──────────────────────────────────────────────────────────────
   CARDS
   ────────────────────────────────────────────────────────────── */
.ui-card {
  background: var(--color-bg-card, #fff);
  border: 1px solid var(--color-border, #e2e8f0);
  border-radius: var(--radius-card, 10px);
  box-shadow: var(--shadow-card, 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04));
  overflow: hidden;
}
.ui-card-flush {
  overflow: visible;
  padding: 0;
}
.ui-bg-card { background: var(--color-bg-card, #fff); }

.ui-card-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-border, #e2e8f0);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
}
.ui-card-body {
  padding: 1.25rem;
}
.ui-card-footer {
  padding: .75rem 1.25rem;
  border-top: 1px solid var(--color-border, #e2e8f0);
  background: var(--color-bg-muted, #f1f5f9);
}

/* Dark mode — cards */
[data-theme="dark"] .ui-card {
  background: var(--color-bg-card, #1e293b);
  border-color: var(--color-border, #334155);
  box-shadow: 0 1px 3px rgba(0,0,0,.2);
}
[data-theme="dark"] .ui-card-header {
  border-bottom-color: var(--color-border, #334155);
}
[data-theme="dark"] .ui-card-footer {
  background: var(--color-bg-muted, #334155);
  border-top-color: var(--color-border, #334155);
}
[data-theme="dark"] .ui-bg-card {
  background: var(--color-bg-card, #1e293b);
}

/* ──────────────────────────────────────────────────────────────
   TABLES
   ────────────────────────────────────────────────────────────── */
.ui-data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .8125rem;
}
.ui-data-table-th {
  padding: 10px 1rem;
  background: var(--color-bg-muted, #f1f5f9);
  color: var(--color-text-muted, #94a3b8);
  font-size: .6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
  border-bottom: 1px solid var(--color-border, #e2e8f0);
  text-align: left;
  white-space: nowrap;
}
.ui-data-table-td {
  padding: .875rem 1rem;
  border-bottom: 1px solid var(--color-divide, #f1f5f9);
  color: var(--color-text, #1e293b);
  vertical-align: middle;
  font-size: .875rem;
}
.ui-data-table tr:last-child .ui-data-table-td {
  border-bottom: none;
}
.ui-hover-row {
  transition: background var(--transition-fast);
}
.ui-hover-row:hover td,
.ui-hover-row:hover .ui-data-table-td {
  background: var(--color-bg-hover, #f8fafc);
}

/* Dark mode — tables */
[data-theme="dark"] .ui-data-table-th {
  background: rgba(255,255,255,.03);
  color: var(--color-text-muted, #475569);
  border-bottom-color: var(--color-border, #334155);
}
[data-theme="dark"] .ui-data-table-td {
  border-bottom-color: var(--color-divide, #1e293b);
  color: var(--color-text, #e2e8f0);
}
[data-theme="dark"] .ui-hover-row:hover td,
[data-theme="dark"] .ui-hover-row:hover .ui-data-table-td {
  background: rgba(255,255,255,.03);
}

/* ──────────────────────────────────────────────────────────────
   BADGES
   ────────────────────────────────────────────────────────────── */
.ui-badge,
.ui-badge-success,
.ui-badge-danger,
.ui-badge-warning,
.ui-badge-primary,
.ui-badge-info,
.ui-badge-secondary {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--radius-badge, 100px);
  font-size: .6875rem;
  font-weight: 600;
  line-height: 1.6;
  text-transform: none;
  white-space: nowrap;
  letter-spacing: .01em;
}
.ui-badge-success  { background: var(--color-success-50,  #ecfdf5); color: var(--color-success-700, #047857); }
.ui-badge-danger   { background: var(--color-danger-50,   #fef2f2); color: var(--color-danger-700,  #b91c1c); }
.ui-badge-warning  { background: var(--color-warning-50,  #fffbeb); color: var(--color-warning-600, #d97706); }
.ui-badge-primary  { background: var(--color-primary-50,  #eef2ff); color: var(--color-primary-700, #4338ca); }
.ui-badge-info     { background: var(--color-info-50,     #f0f9ff); color: var(--color-info-600,    #0284c7); }
.ui-badge-secondary{ background: var(--color-bg-muted,   #f1f5f9); color: var(--color-text-secondary, #475569); }

/* Dark mode — badges */
[data-theme="dark"] .ui-badge-success  { background: rgba(16,185,129,.15);  color: #34d399; }
[data-theme="dark"] .ui-badge-danger   { background: rgba(239,68,68,.15);   color: #f87171; }
[data-theme="dark"] .ui-badge-warning  { background: rgba(245,158,11,.15);  color: #fbbf24; }
[data-theme="dark"] .ui-badge-primary  { background: rgba(99,102,241,.18);  color: #a5b4fc; }
[data-theme="dark"] .ui-badge-info     { background: rgba(14,165,233,.15);  color: #38bdf8; }
[data-theme="dark"] .ui-badge-secondary{ background: rgba(255,255,255,.07); color: var(--color-text-secondary, #94a3b8); }

/* ──────────────────────────────────────────────────────────────
   ALERTS
   ────────────────────────────────────────────────────────────── */
.ui-alert,
.ui-alert-success,
.ui-alert-danger,
.ui-alert-warning,
.ui-alert-info {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  padding: .875rem 1rem;
  border-radius: var(--radius-md, 8px);
  border: 1px solid transparent;
  font-size: .875rem;
  margin-bottom: 1rem;
  line-height: 1.5;
}
.ui-alert-success { background: var(--color-success-50, #ecfdf5); color: var(--color-success-700, #047857); border-color: var(--color-success-100, #d1fae5); }
.ui-alert-danger  { background: var(--color-danger-50,  #fef2f2); color: var(--color-danger-700,  #b91c1c); border-color: var(--color-danger-100,  #fee2e2); }
.ui-alert-warning { background: var(--color-warning-50, #fffbeb); color: var(--color-warning-600, #d97706); border-color: var(--color-warning-100, #fef3c7); }
.ui-alert-info    { background: var(--color-info-50,    #f0f9ff); color: var(--color-info-600,    #0284c7); border-color: var(--color-info-100,    #e0f2fe); }

/* Dark mode — alerts */
[data-theme="dark"] .ui-alert-success { background: rgba(16,185,129,.12);  color: #34d399; border-color: rgba(16,185,129,.3); }
[data-theme="dark"] .ui-alert-danger  { background: rgba(239,68,68,.12);   color: #f87171; border-color: rgba(239,68,68,.3); }
[data-theme="dark"] .ui-alert-warning { background: rgba(245,158,11,.12);  color: #fbbf24; border-color: rgba(245,158,11,.3); }
[data-theme="dark"] .ui-alert-info    { background: rgba(14,165,233,.12);  color: #38bdf8; border-color: rgba(14,165,233,.3); }

/* ──────────────────────────────────────────────────────────────
   SCORE CARDS
   ────────────────────────────────────────────────────────────── */
.ui-score-card         { padding: 1rem; border-radius: var(--radius-card, 10px); border: 1px solid var(--color-border, #e2e8f0); }
.ui-score-card-success { background: var(--color-success-50, #ecfdf5); border-color: var(--color-success-100, #d1fae5); }
.ui-score-card-warning { background: var(--color-warning-50, #fffbeb); border-color: var(--color-warning-100, #fef3c7); }
.ui-score-card-danger  { background: var(--color-danger-50,  #fef2f2); border-color: var(--color-danger-100,  #fee2e2); }

[data-theme="dark"] .ui-score-card-success { background: rgba(16,185,129,.1);  border-color: rgba(16,185,129,.2); }
[data-theme="dark"] .ui-score-card-warning { background: rgba(245,158,11,.1);  border-color: rgba(245,158,11,.2); }
[data-theme="dark"] .ui-score-card-danger  { background: rgba(239,68,68,.1);   border-color: rgba(239,68,68,.2); }

/* ──────────────────────────────────────────────────────────────
   STAT CARDS (new pattern — accent line)
   ────────────────────────────────────────────────────────────── */
.ui-stat-card {
  background: var(--color-bg-card, #fff);
  border: 1px solid var(--color-border, #e2e8f0);
  border-radius: var(--radius-card, 10px);
  box-shadow: var(--shadow-card, 0 1px 3px rgba(0,0,0,.06));
  padding: 1.25rem 1.25rem 1.25rem calc(1.25rem + 3px);
  border-left: 3px solid var(--color-primary, #6366f1);
  transition: box-shadow var(--transition-base);
}
.ui-stat-card:hover {
  box-shadow: var(--shadow-card-hover, 0 4px 12px rgba(0,0,0,.1));
}
.ui-stat-card-success { border-left-color: var(--color-success-500, #10b981); }
.ui-stat-card-danger  { border-left-color: var(--color-danger-500,  #ef4444); }
.ui-stat-card-warning { border-left-color: var(--color-warning-500, #f59e0b); }
.ui-stat-card-info    { border-left-color: var(--color-info-500,    #0ea5e9); }

.ui-stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text, #1e293b);
  line-height: 1.1;
  letter-spacing: -.03em;
}
.ui-stat-label {
  font-size: .6875rem;
  font-weight: 600;
  color: var(--color-text-muted, #94a3b8);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-top: .25rem;
}
.ui-stat-change {
  font-size: .75rem;
  margin-top: .375rem;
  display: flex;
  align-items: center;
  gap: .25rem;
}
.ui-stat-change-up   { color: var(--color-success-600, #059669); }
.ui-stat-change-down { color: var(--color-danger-600,  #dc2626); }

[data-theme="dark"] .ui-stat-card {
  background: var(--color-bg-card, #1e293b);
  border-color: var(--color-border, #334155);
  box-shadow: 0 1px 3px rgba(0,0,0,.2);
}
[data-theme="dark"] .ui-stat-value { color: var(--color-text, #e2e8f0); }

/* ──────────────────────────────────────────────────────────────
   PAGE HEADER PATTERN
   ────────────────────────────────────────────────────────────── */
.ui-page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.ui-page-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-text, #1e293b);
  line-height: 1.2;
  letter-spacing: -.02em;
}
.ui-page-subtitle {
  font-size: .875rem;
  color: var(--color-text-muted, #94a3b8);
  margin-top: .25rem;
  line-height: 1.4;
}
.ui-page-actions {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-wrap: wrap;
  flex-shrink: 0;
}

[data-theme="dark"] .ui-page-title    { color: var(--color-text, #e2e8f0); }
[data-theme="dark"] .ui-page-subtitle { color: var(--color-text-muted, #475569); }

/* ──────────────────────────────────────────────────────────────
   FILTER BAR
   ────────────────────────────────────────────────────────────── */
.ui-admin-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  padding: .875rem 1rem;
  background: var(--color-bg-card, #fff);
  border: 1px solid var(--color-border, #e2e8f0);
  border-radius: var(--radius-card, 10px);
}

[data-theme="dark"] .ui-admin-filters {
  background: var(--color-bg-card, #1e293b);
  border-color: var(--color-border, #334155);
}

/* ──────────────────────────────────────────────────────────────
   FILTER PILLS
   ────────────────────────────────────────────────────────────── */
.ui-filter-pill {
  display: inline-flex;
  align-items: center;
  padding: .25rem .75rem;
  border-radius: var(--radius-badge, 100px);
  font-size: .75rem;
  font-weight: 500;
  border: 1px solid var(--color-border, #e2e8f0);
  color: var(--color-text-secondary, #475569);
  background: var(--color-bg-card, #fff);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  user-select: none;
}
.ui-filter-pill:hover {
  border-color: var(--color-primary, #6366f1);
  color: var(--color-primary, #6366f1);
  background: var(--color-primary-50, #eef2ff);
}
.ui-filter-pill.active,
.ui-filter-pill-active {
  background: var(--color-primary, #6366f1);
  color: #fff;
  border-color: var(--color-primary, #6366f1);
}

[data-theme="dark"] .ui-filter-pill {
  background: var(--color-bg-card, #1e293b);
  border-color: var(--color-border, #334155);
  color: var(--color-text-secondary, #94a3b8);
}
[data-theme="dark"] .ui-filter-pill:hover {
  border-color: var(--color-primary, #818cf8);
  color: var(--color-primary, #818cf8);
  background: rgba(99,102,241,.12);
}

/* ──────────────────────────────────────────────────────────────
   ICON BACKGROUNDS
   ────────────────────────────────────────────────────────────── */
.ui-icon-bg-primary   { background: var(--color-primary-50,  #eef2ff); color: var(--color-primary-500, #6366f1); border-radius: var(--radius-md); padding: .625rem; display: inline-flex; }
.ui-icon-bg-success   { background: var(--color-success-50,  #ecfdf5); color: var(--color-success-500, #10b981); border-radius: var(--radius-md); padding: .625rem; display: inline-flex; }
.ui-icon-bg-danger    { background: var(--color-danger-50,   #fef2f2); color: var(--color-danger-500,  #ef4444); border-radius: var(--radius-md); padding: .625rem; display: inline-flex; }
.ui-icon-bg-warning   { background: var(--color-warning-50,  #fffbeb); color: var(--color-warning-500, #f59e0b); border-radius: var(--radius-md); padding: .625rem; display: inline-flex; }
.ui-icon-bg-info      { background: var(--color-info-50,     #f0f9ff); color: var(--color-info-500,    #0ea5e9); border-radius: var(--radius-md); padding: .625rem; display: inline-flex; }
.ui-icon-bg-secondary { background: var(--color-bg-muted);   color: var(--color-text-secondary); border-radius: var(--radius-md); padding: .625rem; display: inline-flex; }

[data-theme="dark"] .ui-icon-bg-primary   { background: rgba(99,102,241,.15);  color: #a5b4fc; }
[data-theme="dark"] .ui-icon-bg-success   { background: rgba(16,185,129,.15);  color: #34d399; }
[data-theme="dark"] .ui-icon-bg-danger    { background: rgba(239,68,68,.15);   color: #f87171; }
[data-theme="dark"] .ui-icon-bg-warning   { background: rgba(245,158,11,.15);  color: #fbbf24; }
[data-theme="dark"] .ui-icon-bg-info      { background: rgba(14,165,233,.15);  color: #38bdf8; }
[data-theme="dark"] .ui-icon-bg-secondary { background: rgba(255,255,255,.07); color: var(--color-text-secondary, #94a3b8); }

/* ──────────────────────────────────────────────────────────────
   EMPTY STATE
   ────────────────────────────────────────────────────────────── */
.ui-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3.5rem 1.5rem;
  text-align: center;
}
.ui-empty-state-icon {
  font-size: 2.5rem;
  width: 40px;
  height: 40px;
  line-height: 1;
  margin-bottom: 1rem;
  opacity: .35;
}
.ui-empty-state-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text, #1e293b);
  margin-bottom: .375rem;
  line-height: 1.3;
}
.ui-empty-state-description {
  font-size: .875rem;
  color: var(--color-text-muted, #94a3b8);
  max-width: 360px;
  line-height: 1.55;
}
.ui-empty-state-action {
  margin-top: 1.25rem;
}

[data-theme="dark"] .ui-empty-state-title { color: var(--color-text, #e2e8f0); }
[data-theme="dark"] .ui-empty-state-description { color: var(--color-text-muted, #475569); }

/* ──────────────────────────────────────────────────────────────
   BREADCRUMB
   ────────────────────────────────────────────────────────────── */
.ui-breadcrumb {
  display: flex;
  align-items: center;
  gap: .375rem;
  font-size: .75rem;
  color: var(--color-text-muted, #94a3b8);
  flex-wrap: wrap;
}
.ui-breadcrumb a {
  color: var(--color-text-secondary, #475569);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.ui-breadcrumb a:hover {
  color: var(--color-primary, #6366f1);
  text-decoration: underline;
}

/* ──────────────────────────────────────────────────────────────
   CHART CONTAINER
   ────────────────────────────────────────────────────────────── */
.ui-chart-container {
  position: relative;
  width: 100%;
  height: 280px;
}

/* ──────────────────────────────────────────────────────────────
   TABS
   ────────────────────────────────────────────────────────────── */
.ui-tabs {
  display: flex;
  align-items: stretch;
  border-bottom: 1px solid var(--color-border, #e2e8f0);
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.ui-tabs::-webkit-scrollbar { display: none; }

.ui-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: .375rem;
  padding: .75rem 1rem;
  font-size: .875rem;
  font-weight: 500;
  color: var(--color-text-muted, #94a3b8);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
  font-family: inherit;
  outline: none;
}
.ui-tab-btn:hover:not(.active) {
  color: var(--color-text-secondary, #475569);
}
.ui-tab-btn.active {
  color: var(--color-primary, #6366f1);
  border-bottom-color: var(--color-primary, #6366f1);
  font-weight: 600;
}
.ui-tab-btn:focus-visible {
  box-shadow: inset 0 0 0 2px rgba(99,102,241,.3);
  border-radius: 4px 4px 0 0;
}

[data-theme="dark"] .ui-tabs {
  border-bottom-color: var(--color-border, #334155);
}
[data-theme="dark"] .ui-tab-btn {
  color: var(--color-text-muted, #475569);
}
[data-theme="dark"] .ui-tab-btn:hover:not(.active) {
  color: var(--color-text-secondary, #94a3b8);
}
[data-theme="dark"] .ui-tab-btn.active {
  color: var(--color-primary, #818cf8);
  border-bottom-color: var(--color-primary, #818cf8);
}

/* Scrollable tabs wrapper */
.tabs-scroll {
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.tabs-scroll::-webkit-scrollbar { display: none; }
.tabs-arrow {
  display: flex;
  align-items: center;
  gap: .25rem;
  flex-shrink: 0;
  padding: 0 .25rem;
}

/* ──────────────────────────────────────────────────────────────
   MODALS
   ────────────────────────────────────────────────────────────── */
.ui-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: var(--z-modal, 400);
  overflow-y: auto;
  padding: 1rem;
}
.ui-modal.open {
  display: flex;
  align-items: center;
  justify-content: center;
}
.ui-modal-wrapper {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}
.ui-modal-content {
  position: relative;
  background: var(--color-bg-card, #fff);
  border-radius: var(--radius-xl, 16px);
  box-shadow: var(--shadow-modal, 0 20px 60px rgba(0,0,0,.2));
  padding: 1.5rem;
  width: 100%;
  max-width: 520px;
  z-index: 1;
  margin: auto;
}
.ui-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border, #e2e8f0);
  margin-bottom: 1.25rem;
  gap: .75rem;
}
.ui-modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: .5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border, #e2e8f0);
  margin-top: 1.25rem;
}

[data-theme="dark"] .ui-modal-content {
  background: var(--color-bg-card, #1e293b);
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
}
[data-theme="dark"] .ui-modal-header { border-bottom-color: var(--color-border, #334155); }
[data-theme="dark"] .ui-modal-footer { border-top-color: var(--color-border, #334155); }

/* ──────────────────────────────────────────────────────────────
   SEMANTIC TEXT UTILITIES
   ────────────────────────────────────────────────────────────── */
.ui-text-primary   { color: var(--color-text, #1e293b); }
.ui-text-secondary { color: var(--color-text-secondary, #475569); }
.ui-text-muted     { color: var(--color-text-muted, #94a3b8); }
.ui-text-label     { color: var(--color-text-label, #374151); }
.ui-text-disabled  { color: var(--color-text-disabled, #cbd5e1); }

.ui-text-xs   { font-size: var(--font-size-xs,  .75rem); }
.ui-text-sm   { font-size: var(--font-size-sm,  .875rem); }
.ui-text-base { font-size: var(--font-size-base, 1rem); }
.ui-text-lg   { font-size: var(--font-size-lg,  1.125rem); }
.ui-text-xl   { font-size: var(--font-size-xl,  1.25rem); }
.ui-text-2xl  { font-size: var(--font-size-2xl, 1.5rem); }

.ui-font-medium   { font-weight: var(--font-weight-medium,   500); }
.ui-font-semibold { font-weight: var(--font-weight-semibold, 600); }
.ui-font-bold     { font-weight: var(--font-weight-bold,     700); }

/* ──────────────────────────────────────────────────────────────
   SEMANTIC BACKGROUND UTILITIES
   ────────────────────────────────────────────────────────────── */
.ui-bg-primary   { background: var(--color-bg); }
.ui-bg-secondary { background: var(--color-bg-secondary); }
.ui-bg-hover     { background: var(--color-bg-hover); }
.ui-bg-muted     { background: var(--color-bg-muted); }
.ui-bg-subtle    { background: var(--color-bg-subtle); }

/* ──────────────────────────────────────────────────────────────
   BORDER UTILITIES
   ────────────────────────────────────────────────────────────── */
.ui-border-default { border-color: var(--color-border); }
.ui-border-input   { border-color: var(--color-border-input); }
.ui-divide-default { border-color: var(--color-divide); }

/* ──────────────────────────────────────────────────────────────
   SPACING UTILITIES
   ────────────────────────────────────────────────────────────── */
.ui-space-y-4 > * + * { margin-top: 1rem; }
.ui-space-y-6 > * + * { margin-top: 1.5rem; }

/* ──────────────────────────────────────────────────────────────
   DIVIDER
   ────────────────────────────────────────────────────────────── */
.ui-divider {
  border: none;
  border-top: 1px solid var(--color-border, #e2e8f0);
  margin: 0;
}
[data-theme="dark"] .ui-divider { border-top-color: var(--color-border, #334155); }

/* ──────────────────────────────────────────────────────────────
   ADMIN SETTINGS CARD
   ────────────────────────────────────────────────────────────── */
.ui-admin-settings-card {
  background: var(--color-bg-card, #fff);
  border: 1px solid var(--color-border, #e2e8f0);
  border-radius: var(--radius-card, 10px);
  box-shadow: var(--shadow-card, 0 1px 3px rgba(0,0,0,.06));
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}
[data-theme="dark"] .ui-admin-settings-card {
  background: var(--color-bg-card, #1e293b);
  border-color: var(--color-border, #334155);
}

/* ──────────────────────────────────────────────────────────────
   CAPTCHA BOX (preserved, improved)
   ────────────────────────────────────────────────────────────── */
.captcha-box {
  margin: 1rem 0;
  padding: 1rem 1.125rem;
  background: var(--color-bg-subtle, #f8fafc);
  border: 1.5px solid var(--color-border-input, #e2e8f0);
  border-radius: var(--radius-md, 8px);
}
.captcha-label {
  display: block;
  font-weight: 600;
  font-size: .875rem;
  color: var(--color-text-label, #475569);
  margin-bottom: .5rem;
}
.captcha-row {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-wrap: wrap;
}
.captcha-question {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: .12em;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--color-primary-600, #4f46e5);
  background: var(--color-bg-card, #fff);
  border: 1px solid var(--color-border-input, #e2e8f0);
  border-radius: var(--radius-sm, 4px);
  padding: .375rem .75rem;
  user-select: none;
}
.captcha-input {
  width: 100px;
  padding: .5rem .75rem;
  border: 1.5px solid var(--color-border-input, #e2e8f0);
  border-radius: var(--radius-sm, 4px);
  font-size: .95rem;
  text-align: center;
  background: var(--color-bg-card, #fff);
  color: var(--color-text, #1e293b);
  transition: border-color .15s;
  font-family: inherit;
  outline: none;
}
.captcha-input:focus {
  border-color: var(--color-primary, #6366f1);
  box-shadow: 0 0 0 3px rgba(99,102,241,.12);
}
.captcha-hint {
  display: block;
  margin-top: .35rem;
  font-size: .775rem;
  color: var(--color-text-muted, #94a3b8);
}

[data-theme="dark"] .captcha-box      { background: var(--color-bg-muted, #1e293b); border-color: var(--color-border-input, #334155); }
[data-theme="dark"] .captcha-question { background: var(--color-bg-card, #0f172a); border-color: var(--color-border-input, #334155); color: var(--color-primary-400, #818cf8); }
[data-theme="dark"] .captcha-input    { background: var(--color-bg-card, #0f172a); border-color: var(--color-border-input, #334155); color: var(--color-text, #e2e8f0); }
[data-theme="dark"] .captcha-input:focus { border-color: var(--color-primary, #818cf8); box-shadow: 0 0 0 3px rgba(99,102,241,.18); }

/* ──────────────────────────────────────────────────────────────
   GATEWAY / SETTINGS CARD PATTERNS
   ────────────────────────────────────────────────────────────── */
.ui-card-header-row {
  display: flex;
  align-items: center;
  gap: .75rem;
}
.ui-card-header-row .ui-card-header-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
}
.ui-card-header-row .ui-card-header-title {
  font-weight: 700;
  color: var(--color-text, #1e293b);
}
.ui-card-header-row .ui-card-header-desc {
  font-size: .78rem;
  color: var(--color-text-muted, #94a3b8);
}
.ui-card-header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: .75rem;
}
.ui-toggle-label {
  display: flex;
  align-items: center;
  gap: .625rem;
  cursor: pointer;
  font-weight: 600;
  font-size: .875rem;
}
.ui-toggle-label-light {
  display: flex;
  align-items: center;
  gap: .5rem;
  cursor: pointer;
  font-size: .875rem;
}
.ui-toggle-row {
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}
.ui-callout-warning {
  background: var(--color-warning-50, #fffbeb);
  border: 1px solid var(--color-warning-100, #fef3c7);
  border-radius: var(--radius-md, 8px);
  padding: .875rem 1rem;
  margin-bottom: 1.25rem;
  font-size: .84375rem;
  color: var(--color-warning-600, #d97706);
}
.ui-inline-row {
  display: flex;
  gap: .5rem;
  align-items: center;
}
.ui-hint {
  font-size: .84375rem;
  color: var(--color-text-muted, #94a3b8);
  margin-top: .625rem;
}
[data-theme="dark"] .ui-card-header-row .ui-card-header-title { color: var(--color-text, #e2e8f0); }
[data-theme="dark"] .ui-card-header-row .ui-card-header-desc { color: var(--color-text-muted, #475569); }
[data-theme="dark"] .ui-callout-warning { background: rgba(245,158,11,.08); border-color: rgba(245,158,11,.2); color: var(--color-warning-500, #f59e0b); }
[data-theme="dark"] .ui-hint { color: var(--color-text-muted, #475569); }