/* Xavier Design System v1.0 — Official Tokens & Components
   Source of truth: https://design-system.shinp.ai/xavier */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ─── Design Tokens ─── */
:root {
  /* Accent Colors */
  --xv-accent-indigo: #4F46E5;
  --xv-accent-volt: #A3E635;
  --xv-accent-violet: #7C3AED;
  --xv-accent-cyan: #06B6D4;
  --xv-accent-navy: #172554;

  /* Content Colors */
  --xv-content-primary: #111827;
  --xv-content-secondary: #4B5563;
  --xv-content-tertiary: #9CA3AF;
  --xv-content-link: #4F46E5;

  /* Background Colors */
  --xv-bg-screen: #F8FAFC;
  --xv-bg-elevated: #FFFFFF;
  --xv-bg-neutral: #EEF2F7;
  --xv-bg-soft-indigo: #EEF2FF;
  --xv-bg-overlay: rgba(17, 24, 39, 0.06);

  /* Border Colors */
  --xv-border-neutral: #D1D5DB;
  --xv-border-overlay: #D1D5DB;

  /* Interactive Colors */
  --xv-interactive-primary: #4F46E5;
  --xv-interactive-primary-hover: #4338CA;
  --xv-interactive-accent: #A3E635;
  --xv-interactive-secondary: #D1D5DB;
  --xv-interactive-control: #1F2A05;
  --xv-interactive-contrast: #FFFFFF;

  /* Sentiment Colors */
  --xv-sentiment-negative: #DC2626;
  --xv-sentiment-positive: #16A34A;
  --xv-sentiment-warning: #F59E0B;

  /* Feedback Colors */
  --xv-feedback-info: #2563EB;
  --xv-feedback-success-bg: #DCFCE7;
  --xv-feedback-warning-bg: #FEF9C3;
  --xv-feedback-error-bg: #FEE2E2;
  --xv-feedback-info-bg: #DBEAFE;
  --xv-feedback-warning-text: #854D0E;

  /* Support Colors */
  --xv-support-indigo-light: #E0E7FF;
  --xv-support-volt-light: #ECFCCB;
  --xv-support-cyan-light: #CFFAFE;
  --xv-support-violet-light: #EDE9FE;
  --xv-support-slate-light: #F1F5F9;

  /* Chart Palette */
  --xv-chart-1: #4F46E5;
  --xv-chart-2: #A3E635;
  --xv-chart-3: #06B6D4;
  --xv-chart-4: #7C3AED;
  --xv-chart-5: #F59E0B;
  --xv-chart-6: #16A34A;
  --xv-chart-7: #172554;
  --xv-chart-8: #94A3B8;

  /* Radius — Desktop */
  --xv-radius-sm: 16px;
  --xv-radius-md: 20px;
  --xv-radius-lg: 30px;
  --xv-radius-xl: 40px;
  --xv-radius-2xl: 60px;

  /* Spacing (8px grid) */
  --xv-space-4: 4px;
  --xv-space-8: 8px;
  --xv-space-12: 12px;
  --xv-space-16: 16px;
  --xv-space-24: 24px;
  --xv-space-32: 32px;
  --xv-space-40: 40px;
  --xv-space-48: 48px;
  --xv-space-56: 56px;
  --xv-space-64: 64px;
  --xv-space-80: 80px;
  --xv-space-96: 96px;
  --xv-space-128: 128px;

  /* Padding presets */
  --xv-padding-xs: 8px;
  --xv-padding-sm: 16px;
  --xv-padding-md: 24px;
  --xv-padding-lg: 32px;

  /* Size tokens */
  --xv-size-xs: 24px;
  --xv-size-md: 40px;
  --xv-size-lg: 48px;
  --xv-size-xl: 56px;
  --xv-size-2xl: 72px;

  /* Motion */
  --xv-motion-fast: 150ms;
  --xv-motion-normal: 300ms;
  --xv-motion-easing: ease-out;

  /* Elevation */
  --xv-elevation-low: 0 2px 8px rgba(17,24,39,0.08);
  --xv-elevation-medium: 0 4px 16px rgba(17,24,39,0.12);
  --xv-elevation-high: 0 8px 32px rgba(17,24,39,0.16);

  /* Sidebar */
  --xv-sidebar-width: 260px;
  --xv-sidebar-bg: #0C1222;
}

/* ─── Dark Mode ─── */
[data-theme="dark"] {
  --xv-content-primary: #F1F5F9;
  --xv-content-secondary: #CBD5E1;
  --xv-content-tertiary: #94A3B8;
  --xv-content-link: #818CF8;
  --xv-bg-screen: #0C1222;
  --xv-bg-elevated: #162032;
  --xv-bg-neutral: rgba(255,255,255,0.08);
  --xv-bg-overlay: rgba(0,0,0,0.5);
  --xv-border-neutral: rgba(255,255,255,0.12);
  --xv-interactive-primary: #818CF8;
  --xv-interactive-primary-hover: #6366F1;
  --xv-interactive-secondary: #4B5563;
  --xv-sentiment-negative: #FCA5A5;
  --xv-sentiment-positive: #86EFAC;
  --xv-sentiment-warning: #FDE68A;
  --xv-feedback-info: #93C5FD;
}

/* ─── Mobile Radius ─── */
@media (max-width: 900px) {
  :root {
    --xv-radius-sm: 10px;
    --xv-radius-md: 16px;
    --xv-radius-lg: 24px;
    --xv-radius-xl: 32px;
    --xv-radius-2xl: 48px;
  }
}

/* ═══════════════════════════════════════════════
   GLOBAL RESET & BASE
   ═══════════════════════════════════════════════ */

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--xv-bg-screen);
  color: var(--xv-content-primary);
  line-height: 1.5;
  font-size: 14px;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--xv-content-link); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ─── Typography ─── */
.title-screen   { font-size: 30px; font-weight: 600; line-height: 34px; letter-spacing: -0.025em; }
.title-section  { font-size: 26px; font-weight: 600; line-height: 32px; letter-spacing: -0.015em; }
.title-subsection { font-size: 22px; font-weight: 600; line-height: 28px; letter-spacing: -0.015em; }
.title-body     { font-size: 18px; font-weight: 600; line-height: 24px; letter-spacing: -0.01em; }
.title-group    { font-size: 14px; font-weight: 500; line-height: 20px; letter-spacing: 0.015em; text-transform: uppercase; }
.body-large     { font-size: 16px; font-weight: 400; line-height: 24px; letter-spacing: -0.005em; }
.body-default   { font-size: 14px; font-weight: 400; line-height: 22px; letter-spacing: 0.01em; }
.link-large     { font-size: 16px; font-weight: 600; line-height: 24px; letter-spacing: 0.01em; text-decoration: underline; }
.link-default   { font-size: 14px; font-weight: 600; line-height: 22px; letter-spacing: 0.0125em; text-decoration: underline; }
.text-muted     { color: var(--xv-content-tertiary); }
.text-secondary { color: var(--xv-content-secondary); }

/* ═══════════════════════════════════════════════
   LAYOUT
   ═══════════════════════════════════════════════ */

.layout {
  display: flex;
  min-height: 100vh;
}

/* ─── Sidebar ─── */
.xv-sidebar,
.sidebar {
  width: var(--xv-sidebar-width);
  min-width: var(--xv-sidebar-width);
  background: var(--xv-sidebar-bg);
  color: var(--xv-interactive-contrast);
  padding: var(--xv-space-24) 0;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  overflow-y: auto;
  z-index: 100;
  border-right: 1px solid rgba(255,255,255,0.06);
  display: flex;
  flex-direction: column;
}

.sidebar-header,
.xv-sidebar-logo {
  padding: 0 var(--xv-space-24) var(--xv-space-24);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: var(--xv-space-16);
  display: flex;
  align-items: center;
  gap: var(--xv-space-8);
}

.logo {
  font-size: 16px;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.5px;
}

.notification-indicator {
  padding: var(--xv-space-8) var(--xv-space-24);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.user-info {
  padding: var(--xv-space-12) var(--xv-space-24);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  gap: var(--xv-space-8);
  margin-bottom: var(--xv-space-8);
}

.user-name { font-size: 13px; color: rgba(255,255,255,0.7); }
.user-role { font-size: 11px; }

.nav {
  padding: 0 var(--xv-space-12);
  flex: 1;
}

.nav-section-label {
  font-size: 11px;
  font-weight: 600;
  color: rgba(255,255,255,0.4);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--xv-space-16) var(--xv-space-12) var(--xv-space-4);
}

.nav-item,
.xv-sidebar-item {
  display: block;
  position: relative;
  padding: var(--xv-space-8) var(--xv-space-12);
  padding-left: calc(var(--xv-space-12) + 3px);
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color var(--xv-motion-fast) var(--xv-motion-easing),
              color var(--xv-motion-fast) var(--xv-motion-easing),
              transform var(--xv-motion-fast) var(--xv-motion-easing);
}

.nav-item:hover,
.xv-sidebar-item:hover {
  background: rgba(255,255,255,0.08);
  color: #FFFFFF;
  transform: translateX(2px);
  text-decoration: none;
}

.nav-item:focus-visible,
.xv-sidebar-item:focus-visible {
  outline: 2px solid var(--xv-interactive-accent);
  outline-offset: 2px;
  color: #FFFFFF;
}

.nav-item.active,
.xv-sidebar-item-active {
  background: rgba(79,70,229,0.18);
  color: #FFFFFF;
  font-weight: 600;
}

.nav-item.active::before,
.xv-sidebar-item-active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  background: var(--xv-interactive-accent);
  border-radius: 0 2px 2px 0;
}

.nav-item.active:hover,
.xv-sidebar-item-active:hover {
  background: rgba(79,70,229,0.25);
}

.nav-item .nav-icon {
  font-size: 16px;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.quick-nav {
  padding: var(--xv-space-12) 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-top: var(--xv-space-8);
}

.quick-nav-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.4);
  padding: 0 var(--xv-space-24) var(--xv-space-8);
  font-weight: 600;
}

.quick-nav-item {
  display: block;
  padding: 6px var(--xv-space-24);
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  font-size: 12px;
  transition: all var(--xv-motion-fast) var(--xv-motion-easing);
}

.quick-nav-item:hover {
  background: rgba(255,255,255,0.05);
  color: var(--xv-interactive-accent);
  text-decoration: none;
}

/* ─── Main Content ─── */
.main {
  margin-left: var(--xv-sidebar-width);
  flex: 1;
  min-width: 0;
}

.header,
.xv-topbar {
  padding: var(--xv-space-16) var(--xv-space-48);
  border-bottom: 1px solid var(--xv-border-neutral);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--xv-bg-elevated);
}

.header h2 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--xv-content-primary);
}

.header-actions {
  display: flex;
  gap: var(--xv-space-12);
  align-items: center;
}

/* ─── User Avatar Menu ─── */
.xv-user-menu {
  position: relative;
}

.xv-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--xv-accent-indigo, #4F46E5);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: box-shadow 0.15s ease, opacity 0.15s ease;
  line-height: 1;
}

.xv-avatar:hover {
  box-shadow: 0 0 0 2px var(--xv-accent-indigo, #4F46E5), 0 0 0 4px rgba(79, 70, 229, 0.2);
}

.xv-user-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 200px;
  background: var(--xv-bg-elevated, #fff);
  border: 1px solid var(--xv-border-neutral, #e5e7eb);
  border-radius: var(--xv-radius-lg, 12px);
  box-shadow: var(--xv-shadow-lg, 0 8px 24px rgba(0,0,0,0.12));
  z-index: 900;
  padding: var(--xv-space-8, 8px) 0;
}

.xv-user-dropdown.open {
  display: block;
}

.xv-user-dropdown-header {
  padding: var(--xv-space-8, 8px) var(--xv-space-16, 16px);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.xv-user-dropdown-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--xv-content-primary, #111827);
}

.xv-user-dropdown-role {
  font-size: 11px;
  color: var(--xv-content-tertiary, #9ca3af);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.xv-user-dropdown-divider {
  height: 1px;
  background: var(--xv-border-neutral, #e5e7eb);
  margin: var(--xv-space-4, 4px) 0;
}

.xv-user-dropdown-item {
  display: block;
  padding: var(--xv-space-8, 8px) var(--xv-space-16, 16px);
  font-size: 13px;
  color: var(--xv-content-secondary, #6b7280);
  text-decoration: none;
  transition: background 0.1s ease;
}

.xv-user-dropdown-item:hover {
  background: var(--xv-bg-subtle, #f9fafb);
}

.xv-user-dropdown-logout {
  color: var(--xv-status-error, #ef4444);
}

.content {
  padding: var(--xv-space-32) var(--xv-space-48);
  max-width: 1100px;
}

/* ═══════════════════════════════════════════════
   BUTTONS (.xv-btn)
   ═══════════════════════════════════════════════ */

.xv-btn,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--xv-space-8);
  height: var(--xv-size-lg);
  padding: 0 var(--xv-padding-md);
  border: none;
  border-radius: var(--xv-radius-2xl);
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: filter var(--xv-motion-fast) var(--xv-motion-easing),
              background var(--xv-motion-fast) var(--xv-motion-easing);
  white-space: nowrap;
  /* Default: Primary (Volt) */
  background: var(--xv-interactive-accent);
  color: var(--xv-interactive-control);
}

.xv-btn:hover,
.btn:hover {
  filter: brightness(0.92);
  text-decoration: none;
  transform: none;
}

.xv-btn:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--xv-interactive-primary);
  outline-offset: 2px;
}

.xv-btn:disabled,
.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

/* Primary = default (volt bg, dark text) */
.xv-btn-primary,
.btn-primary {
  background: var(--xv-interactive-accent);
  color: var(--xv-interactive-control);
}

/* Secondary (outlined indigo) */
.xv-btn-secondary,
.btn-ghost,
.btn-outline {
  background: transparent;
  color: var(--xv-interactive-primary);
  border: 2px solid var(--xv-interactive-primary);
}

.xv-btn-secondary:hover,
.btn-ghost:hover,
.btn-outline:hover {
  background: var(--xv-bg-neutral);
  filter: none;
}

/* Tertiary (underline link) */
.xv-btn-tertiary {
  background: transparent;
  color: var(--xv-interactive-primary);
  text-decoration: underline;
  padding: 0 var(--xv-space-16);
  border: none;
}

.xv-btn-tertiary:hover {
  filter: brightness(0.85);
}

/* Negative (red) */
.xv-btn-negative,
.btn-danger {
  background: var(--xv-sentiment-negative);
  color: var(--xv-interactive-contrast);
}

.xv-btn-negative:hover,
.btn-danger:hover {
  filter: brightness(0.9);
}

/* Success */
.btn-success {
  background: var(--xv-sentiment-positive);
  color: var(--xv-interactive-contrast);
}

.btn-success:hover { filter: brightness(0.9); }

/* Warning */
.btn-warning {
  background: var(--xv-sentiment-warning);
  color: var(--xv-content-primary);
}

.btn-warning:hover { filter: brightness(0.9); }

/* Size variants */
.xv-btn-sm,
.btn-sm {
  height: var(--xv-size-md);
  font-size: 14px;
  padding: 0 var(--xv-space-16);
}

.xv-btn-lg,
.btn-lg {
  height: var(--xv-size-xl);
  font-size: 16px;
  padding: 0 var(--xv-padding-lg);
}

/* Loading state */
.xv-btn-loading { pointer-events: none; opacity: 0.7; }
.xv-btn-loading::after {
  content: '';
  width: 16px; height: 16px;
  border: 3px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: xv-spin 0.7s linear infinite;
}

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

/* ═══════════════════════════════════════════════
   INPUTS (.xv-input, .xv-field)
   ═══════════════════════════════════════════════ */

.xv-field,
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--xv-space-4);
  margin-bottom: var(--xv-space-16);
}

.xv-label,
.form-group label {
  font-size: 14px;
  font-weight: 500;
  color: var(--xv-content-primary);
}

.xv-description,
.input-desc {
  font-size: 12px;
  color: var(--xv-content-tertiary);
}

.xv-input,
.form-control {
  height: var(--xv-size-lg);
  padding: 0 var(--xv-space-16);
  border: 1px solid var(--xv-interactive-secondary);
  border-radius: var(--xv-radius-sm);
  font-family: inherit;
  font-size: 16px;
  color: var(--xv-content-primary);
  background: var(--xv-bg-screen);
  transition: border-color var(--xv-motion-fast) var(--xv-motion-easing);
  width: 100%;
}

.xv-input:focus,
.form-control:focus {
  outline: none;
  border: 3px solid var(--xv-interactive-primary);
  padding: 0 calc(var(--xv-space-16) - 2px);
}

.xv-input::placeholder,
.form-control::placeholder {
  color: var(--xv-content-tertiary);
}

.xv-input:disabled,
.form-control:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  background: var(--xv-bg-neutral);
}

.xv-input-error,
.form-control.error {
  border: 2px solid var(--xv-sentiment-negative);
}

.xv-input-error:focus,
.form-control.error:focus {
  border: 3px solid var(--xv-sentiment-negative);
}

.xv-error,
.input-error-msg {
  font-size: 12px;
  color: var(--xv-sentiment-negative);
  font-weight: 500;
}

/* Select */
.xv-select,
select.form-control {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%239CA3AF'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

/* Textarea */
.xv-textarea,
textarea.form-control {
  height: auto;
  min-height: 80px;
  padding: var(--xv-space-12) var(--xv-space-16);
  resize: vertical;
}

/* Search input */
.search-input-wrap {
  height: var(--xv-size-lg);
  border: 1px solid var(--xv-interactive-secondary);
  border-radius: var(--xv-radius-sm);
  background: var(--xv-bg-screen);
  padding: 0 var(--xv-space-16);
  display: flex;
  align-items: center;
  gap: var(--xv-space-8);
}

.search-input {
  width: 100%;
  background: var(--xv-bg-screen);
  border: 1px solid var(--xv-interactive-secondary);
  color: var(--xv-content-primary);
  padding: var(--xv-space-8) var(--xv-space-12);
  border-radius: var(--xv-radius-sm);
  font-size: 14px;
  font-family: inherit;
}
.search-input:focus { outline: none; border-color: var(--xv-interactive-primary); }
.search-input::placeholder { color: var(--xv-content-tertiary); }

/* ═══════════════════════════════════════════════
   CARDS (.xv-card)
   ═══════════════════════════════════════════════ */

.xv-card,
.card {
  border: 1px solid var(--xv-border-neutral);
  border-radius: var(--xv-radius-md);
  background: var(--xv-bg-elevated);
  overflow: hidden;
  transition: box-shadow var(--xv-motion-fast) var(--xv-motion-easing);
}

.xv-card-clickable,
a.card {
  cursor: pointer;
  display: block;
  color: inherit;
}

.xv-card-clickable:hover,
a.card:hover {
  box-shadow: var(--xv-elevation-medium);
  text-decoration: none;
}

.xv-card-neutral {
  background: var(--xv-bg-neutral);
  border-color: transparent;
}

.xv-card-body,
.card-body {
  padding: var(--xv-padding-sm);
}

.xv-card-header,
.card-header {
  padding: var(--xv-padding-sm);
  border-bottom: 1px solid var(--xv-border-neutral);
}

.xv-card-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.xv-card-desc {
  font-size: 14px;
  color: var(--xv-content-secondary);
  line-height: 1.5;
}

.xv-card-footer {
  padding: var(--xv-padding-sm);
  border-top: 1px solid var(--xv-border-neutral);
}

/* Form card (used for CRUD forms) */
.form-card {
  background: var(--xv-bg-elevated);
  border: 1px solid var(--xv-border-neutral);
  border-radius: var(--xv-radius-md);
  padding: var(--xv-padding-md);
  max-width: 520px;
}

.form-actions {
  display: flex;
  gap: var(--xv-space-12);
  margin-top: var(--xv-space-24);
  padding-top: var(--xv-space-16);
  border-top: 1px solid var(--xv-border-neutral);
}

/* ═══════════════════════════════════════════════
   TABLES (.xv-table)
   ═══════════════════════════════════════════════ */

.table-wrapper {
  background: var(--xv-bg-elevated);
  border: 1px solid var(--xv-border-neutral);
  border-radius: var(--xv-radius-md);
  overflow: hidden;
}

.xv-table,
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.xv-table th,
.table th {
  text-align: left;
  padding: var(--xv-space-12) var(--xv-space-16);
  border-bottom: 2px solid var(--xv-border-neutral);
  font-weight: 600;
  font-size: 12px;
  color: var(--xv-content-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--xv-bg-neutral);
}

.xv-table td,
.table td {
  padding: var(--xv-space-12) var(--xv-space-16);
  border-bottom: 1px solid var(--xv-border-neutral);
  vertical-align: top;
  color: var(--xv-content-primary);
}

.xv-table tr:last-child td,
.table tr:last-child td {
  border-bottom: none;
}

.xv-table tr:hover td,
.table tr:hover td {
  background: var(--xv-bg-neutral);
}

.table .empty,
.xv-table .empty {
  text-align: center;
  color: var(--xv-content-tertiary);
  padding: var(--xv-space-48) var(--xv-space-16);
}

.table .actions,
.xv-table-actions {
  display: flex;
  gap: var(--xv-space-8);
}

/* ═══════════════════════════════════════════════
   BADGES (.xv-badge, .badge)
   ═══════════════════════════════════════════════ */

.xv-badge,
.badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  vertical-align: middle;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  background: var(--xv-bg-neutral);
  color: var(--xv-content-secondary);
}

.xv-badge-success,
.badge-success {
  background: var(--xv-feedback-success-bg);
  color: var(--xv-sentiment-positive);
}

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

.xv-badge-error,
.badge-danger {
  background: var(--xv-feedback-error-bg);
  color: var(--xv-sentiment-negative);
}

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

.xv-badge-neutral {
  background: var(--xv-bg-neutral);
  color: var(--xv-content-secondary);
}

/* ═══════════════════════════════════════════════
   ALERTS (.xv-alert)
   ═══════════════════════════════════════════════ */

.xv-alert,
.alert {
  padding: var(--xv-space-12) var(--xv-space-16);
  border-radius: var(--xv-radius-sm);
  font-size: 14px;
  margin-bottom: var(--xv-space-12);
  border-left: 4px solid transparent;
}

.xv-alert-success,
.alert-success {
  background: var(--xv-feedback-success-bg);
  color: var(--xv-sentiment-positive);
  border-left-color: var(--xv-sentiment-positive);
}

.xv-alert-warning,
.alert-warning {
  background: var(--xv-feedback-warning-bg);
  color: var(--xv-feedback-warning-text);
  border-left-color: var(--xv-sentiment-warning);
}

.xv-alert-error,
.alert-danger {
  background: var(--xv-feedback-error-bg);
  color: var(--xv-sentiment-negative);
  border-left-color: var(--xv-sentiment-negative);
}

.xv-alert-info,
.alert-info {
  background: var(--xv-feedback-info-bg);
  color: var(--xv-feedback-info);
  border-left-color: var(--xv-feedback-info);
}

/* ═══════════════════════════════════════════════
   DIALOGS / MODALS (.xv-dialog)
   ═══════════════════════════════════════════════ */

.xv-dialog-overlay,
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(17, 24, 39, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.xv-dialog-overlay.open,
.modal-overlay.open {
  display: flex;
}

.xv-dialog,
.modal {
  background: var(--xv-bg-elevated);
  border: 1px solid var(--xv-border-neutral);
  border-radius: var(--xv-radius-lg);
  width: 100%;
  max-width: 540px;
  box-shadow: var(--xv-elevation-high);
  overflow: hidden;
  animation: modalIn var(--xv-motion-fast) var(--xv-motion-easing);
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(-10px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.xv-dialog-title,
.modal-header {
  padding: var(--xv-padding-md);
  border-bottom: 1px solid var(--xv-border-neutral);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--xv-content-primary);
  margin: 0;
}

.modal-close {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: none; border: none;
  font-size: 22px;
  color: var(--xv-content-secondary);
  cursor: pointer;
  border-radius: 50%;
}

.modal-close:hover { background: var(--xv-bg-neutral); }

.xv-dialog-content,
.modal-body {
  padding: var(--xv-padding-md);
  font-size: 14px;
  color: var(--xv-content-secondary);
  line-height: 1.6;
}

.xv-dialog-actions,
.modal-footer {
  padding: var(--xv-padding-md);
  border-top: 1px solid var(--xv-border-neutral);
  display: flex;
  gap: var(--xv-space-12);
  justify-content: flex-end;
}

/* ═══════════════════════════════════════════════
   EMPTY STATES
   ═══════════════════════════════════════════════ */

.xv-empty-state,
.empty-state,
.state-block {
  text-align: center;
  padding: var(--xv-padding-lg);
  max-width: 340px;
  margin: var(--xv-space-32) auto;
  border: 1px solid var(--xv-border-neutral);
  border-radius: var(--xv-radius-md);
}

.xv-empty-icon,
.empty-state-icon,
.state-icon {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--xv-bg-neutral);
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  margin: 0 auto var(--xv-space-16);
}

.xv-empty-title,
.empty-state-title,
.state-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--xv-content-primary);
  margin-bottom: var(--xv-space-8);
}

.xv-empty-description,
.empty-state-text,
.state-desc {
  font-size: 14px;
  color: var(--xv-content-secondary);
  margin-bottom: var(--xv-space-24);
  line-height: 1.5;
}

.xv-empty-action {
  margin-top: var(--xv-space-16);
}

/* ═══════════════════════════════════════════════
   TABS & NAVIGATION COMPONENTS
   ═══════════════════════════════════════════════ */

.xv-tabs,
.tab-nav {
  display: flex;
  border-bottom: 1px solid var(--xv-border-neutral);
  gap: var(--xv-space-24);
  margin-bottom: var(--xv-space-16);
  overflow-x: auto;
}

.xv-tab,
.tab-item {
  padding: var(--xv-space-12) 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--xv-content-secondary);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: color var(--xv-motion-fast) var(--xv-motion-easing);
  white-space: nowrap;
}

.xv-tab:hover,
.tab-item:hover {
  color: var(--xv-content-primary);
  text-decoration: none;
  background: none;
}

.xv-tab.active,
.tab-item.active {
  color: var(--xv-interactive-primary);
  border-bottom-color: var(--xv-interactive-primary);
  font-weight: 600;
}

/* Breadcrumb */
.xv-breadcrumb {
  font-size: 14px;
  color: var(--xv-content-secondary);
  margin-bottom: var(--xv-space-16);
}

.xv-breadcrumb a { color: var(--xv-content-secondary); }
.xv-breadcrumb a:hover { color: var(--xv-interactive-primary); }

/* ═══════════════════════════════════════════════
   METRICS & CARDS
   ═══════════════════════════════════════════════ */

.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--xv-space-16);
  margin-bottom: var(--xv-space-24);
}

.metric-card {
  background: var(--xv-bg-elevated);
  border: 1px solid var(--xv-border-neutral);
  border-radius: var(--xv-radius-md);
  padding: var(--xv-space-24);
  text-align: center;
}

.metric-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--xv-accent-indigo);
}

.metric-label {
  font-size: 12px;
  color: var(--xv-content-secondary);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ═══════════════════════════════════════════════
   TOASTS / SNACKBAR
   ═══════════════════════════════════════════════ */

.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--xv-space-8);
}

.toast,
.xv-snackbar {
  display: flex;
  align-items: center;
  gap: var(--xv-space-12);
  padding: var(--xv-space-16) var(--xv-padding-md);
  background: var(--xv-content-primary);
  color: var(--xv-interactive-contrast);
  border-radius: var(--xv-radius-sm);
  font-size: 14px;
  max-width: 420px;
  min-width: 240px;
  box-shadow: var(--xv-elevation-high);
  animation: toastIn 0.2s var(--xv-motion-easing);
}

.toast-success { background: var(--xv-sentiment-positive); }
.toast-error   { background: var(--xv-sentiment-negative); }
.toast-info    { background: var(--xv-feedback-info); }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ═══════════════════════════════════════════════
   PROGRESS & SPINNER
   ═══════════════════════════════════════════════ */

.xv-progress { max-width: 360px; margin-bottom: var(--xv-space-16); }

.xv-progress-track,
.progress-bar {
  height: 8px;
  background: var(--xv-bg-neutral);
  border-radius: 4px;
  overflow: hidden;
  margin: var(--xv-space-8) 0;
}

.xv-progress-fill,
.progress-fill {
  height: 100%;
  background: var(--xv-interactive-accent);
  border-radius: 4px;
  transition: width 0.4s ease;
}

.xv-spinner {
  width: 36px; height: 36px;
  border: 4px solid var(--xv-bg-neutral);
  border-top-color: var(--xv-interactive-accent);
  border-radius: 50%;
  animation: xv-spin 0.8s linear infinite;
  display: inline-block;
}

/* ═══════════════════════════════════════════════
   PAGE TITLE BAR
   ═══════════════════════════════════════════════ */

.page-title-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--xv-space-24);
}

.page-title-bar h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--xv-content-primary);
  margin: 0;
}

/* ═══════════════════════════════════════════════
   SECTION TITLES
   ═══════════════════════════════════════════════ */

.section-title {
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--xv-content-secondary);
  margin: var(--xv-space-32) 0 var(--xv-space-12);
  padding-bottom: var(--xv-space-8);
  border-bottom: 1px solid var(--xv-border-neutral);
}

h3 {
  font-size: 18px;
  font-weight: 600;
  margin: var(--xv-space-24) 0 var(--xv-space-12);
  color: var(--xv-content-primary);
}

h4 {
  font-size: 16px;
  font-weight: 600;
  margin: var(--xv-space-16) 0 var(--xv-space-8);
  color: var(--xv-content-primary);
}

/* ═══════════════════════════════════════════════
   MISC LEGACY COMPAT
   ═══════════════════════════════════════════════ */

.select {
  background: var(--xv-bg-elevated);
  border: 1px solid var(--xv-interactive-secondary);
  color: var(--xv-content-primary);
  padding: var(--xv-space-8) var(--xv-space-12);
  border-radius: var(--xv-radius-sm);
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
}

.select:focus { outline: none; border-color: var(--xv-interactive-primary); }

.notification-badge {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 18px; height: 18px; border-radius: 9px;
  background: var(--xv-sentiment-negative); color: white;
  font-size: 10px; font-weight: 700; padding: 0 4px; margin-left: auto;
}

.error { color: var(--xv-sentiment-negative); padding: var(--xv-space-16); }
.error-state { text-align: center; padding: var(--xv-space-32); color: var(--xv-sentiment-negative); }
.loading { text-align: center; padding: var(--xv-space-32); color: var(--xv-content-tertiary); }

.confirm-text {
  font-size: 14px;
  color: var(--xv-content-secondary);
  line-height: 1.6;
  text-align: center;
  padding: var(--xv-space-8) 0;
}

.project-title {
  color: var(--xv-accent-indigo);
  margin-top: var(--xv-space-32);
  padding-bottom: var(--xv-space-8);
  border-bottom: 1px solid var(--xv-border-neutral);
}

.filter-bar { margin-bottom: var(--xv-space-16); }
.filter-form { display: flex; gap: var(--xv-space-8); align-items: center; flex-wrap: wrap; }

.search-box { padding: var(--xv-space-12) var(--xv-space-16); border-bottom: 1px solid var(--xv-border-neutral); }

.portal-menu { display: flex; gap: var(--xv-space-8); flex-wrap: wrap; margin-bottom: var(--xv-space-24); }
.portal-menu-item {
  display: inline-block; padding: var(--xv-space-12) var(--xv-space-24);
  background: var(--xv-bg-elevated);
  border: 1px solid var(--xv-border-neutral); border-radius: var(--xv-radius-sm);
  color: var(--xv-content-secondary); text-decoration: none; font-size: 13px;
  transition: all var(--xv-motion-fast) var(--xv-motion-easing);
}
.portal-menu-item:hover { background: var(--xv-bg-neutral); color: var(--xv-interactive-primary); border-color: var(--xv-interactive-primary); text-decoration: none; }

.tag-list { display: flex; gap: var(--xv-space-8); flex-wrap: wrap; margin-bottom: var(--xv-space-16); }

.form-preview {
  background: var(--xv-bg-elevated); border: 1px solid var(--xv-border-neutral);
  border-radius: var(--xv-radius-md); padding: var(--xv-space-24); margin-bottom: var(--xv-space-16);
}
.form-preview p { margin: var(--xv-space-8) 0 var(--xv-space-4); font-size: 13px; color: var(--xv-content-secondary); }

.ux-score { display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; border-radius: 12px; font-size: 12px; font-weight: 600; }

.grid { display: grid; gap: var(--xv-space-16); }
.grid-3 { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }

/* ─── Login page ─── */
.login-wrapper {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; background: var(--xv-bg-screen);
}
.login-card {
  background: var(--xv-bg-elevated); border: 1px solid var(--xv-border-neutral);
  border-radius: var(--xv-radius-lg); padding: var(--xv-space-40); width: 100%; max-width: 400px;
  box-shadow: var(--xv-elevation-high);
}
.login-logo {
  font-size: 28px; font-weight: 700; color: var(--xv-accent-indigo);
  text-align: center; margin-bottom: var(--xv-space-8); letter-spacing: 1px;
}
.login-subtitle {
  text-align: center; color: var(--xv-content-secondary); font-size: 14px;
  margin-bottom: var(--xv-space-32);
}
.login-error {
  background: var(--xv-feedback-error-bg); color: var(--xv-sentiment-negative);
  border: 1px solid var(--xv-sentiment-negative); border-radius: var(--xv-radius-sm);
  padding: var(--xv-space-12) var(--xv-space-16); font-size: 13px; margin-bottom: var(--xv-space-16);
}
.login-form .form-group { margin-bottom: var(--xv-space-16); }
.login-form .btn {
  width: 100%; margin-top: var(--xv-space-8);
}
.login-footer {
  text-align: center; color: var(--xv-content-tertiary); font-size: 11px;
  margin-top: var(--xv-space-24);
}

/* ═══════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════ */

@media (max-width: 900px) {
  .sidebar, .xv-sidebar { display: none; }
  .main { margin-left: 0; }
  .content { padding: var(--xv-space-24); }
  .header { padding: var(--xv-space-12) var(--xv-space-16); }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .modal, .xv-dialog { max-width: 95%; margin: var(--xv-space-16); }
}

/* ─── Prefers reduced motion ─── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}