/* ============================================================
   SAPER-VEDERE DESIGN SYSTEM — sv-base.css
   Professional intelligence reports & HTML deliverables
   Version 1.0.0
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Lato:ital,wght@0,300;0,400;0,700;0,900;1,300;1,400;1,700&display=swap');

/* ============================================================
   1. CSS CUSTOM PROPERTIES
   ============================================================ */

:root {
  /* — Primary Blues — */
  --sv-celestial-blue: #47A1DA;
  --sv-celtic-blue: #4472C4;
  --sv-lapis-lazuli: #3A668C;
  --sv-silver-lake: #658EBF;
  --sv-true-blue: #3769B1;
  --sv-polynesian-blue: #324E9D;

  /* — Dark Palette — */
  --sv-gunmetal: #1C2732;
  --sv-charcoal: #2C3D4E;
  --sv-paynes-grey: #44596B;
  --sv-air-superiority: #7593B1;

  /* — Light Palette — */
  --sv-columbia-blue: #BAC9D8;
  --sv-alice-blue: #E3E9EF;

  /* — Accents — */
  --sv-sky-blue: #5AC2D9;
  --sv-turquoise: #4FCCB8;
  --sv-orange: #FBB03C;
  --sv-bright-pink: #FF6481;
  --sv-sunglow: #FFD166;

  /* — Gradients — */
  --sv-gradient-dark: linear-gradient(135deg, #1C2732, #2C3D4E);
  --sv-gradient-header: linear-gradient(135deg, #1C2732 0%, #2C3D4E 60%, #44596B 100%);
  --sv-gradient-blue: linear-gradient(135deg, #47A1DA, #3769B1);

  /* — Typography — */
  --sv-font-family: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --sv-font-size-base: 15px;
  --sv-line-height: 1.6;

  /* — Spacing — */
  --sv-spacing-xs: 0.25rem;
  --sv-spacing-sm: 0.5rem;
  --sv-spacing-md: 1rem;
  --sv-spacing-lg: 1.5rem;
  --sv-spacing-xl: 2rem;
  --sv-spacing-2xl: 3rem;

  /* — Radius — */
  --sv-radius-sm: 6px;
  --sv-radius-md: 8px;
  --sv-radius-lg: 12px;
  --sv-radius-xl: 16px;

  /* — Shadows — */
  --sv-shadow-sm: 0 1px 3px rgba(28, 39, 50, 0.06);
  --sv-shadow-md: 0 2px 8px rgba(28, 39, 50, 0.08);
  --sv-shadow-lg: 0 4px 16px rgba(28, 39, 50, 0.12);
  --sv-shadow-xl: 0 8px 32px rgba(28, 39, 50, 0.16);

  /* — Transitions — */
  --sv-transition-fast: 150ms ease;
  --sv-transition-base: 250ms ease;
  --sv-transition-slow: 400ms ease;
}


/* ============================================================
   2. RESET & BASE
   ============================================================ */

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

html {
  font-size: var(--sv-font-size-base);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--sv-font-family);
  line-height: var(--sv-line-height);
  color: var(--sv-charcoal);
  background-color: #F5F7FA;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--sv-celestial-blue);
  text-decoration: none;
  transition: color var(--sv-transition-fast);
}

a:hover {
  color: var(--sv-true-blue);
  text-decoration: underline;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--sv-charcoal);
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.15rem; }
h4 { font-size: 1rem; }

p {
  margin-bottom: var(--sv-spacing-md);
}

strong {
  font-weight: 700;
}


/* ============================================================
   3. PAGE CONTAINER
   ============================================================ */

.sv-page {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--sv-spacing-xl);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}


/* ============================================================
   4. HEADER
   ============================================================ */

.sv-header {
  background: var(--sv-gradient-header);
  color: #FFFFFF;
  padding: var(--sv-spacing-xl) var(--sv-spacing-xl) var(--sv-spacing-lg);
  border-bottom: 3px solid var(--sv-celestial-blue);
  border-radius: var(--sv-radius-lg) var(--sv-radius-lg) 0 0;
  margin-bottom: 0;
  -webkit-print-color-adjust: exact;
  print-color-adjust: exact;
}

.sv-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sv-spacing-xl);
  max-width: 1200px;
  margin: 0 auto;
}

.sv-header-logo {
  flex-shrink: 0;
}

.sv-header-logo img {
  max-height: 40px;
  width: auto;
}

.sv-header-content {
  flex: 1;
  text-align: right;
}

.sv-header h1 {
  color: #FFFFFF;
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: 0.01em;
  margin-bottom: var(--sv-spacing-xs);
}

.sv-header .sv-subtitle {
  color: var(--sv-columbia-blue);
  font-size: 0.95rem;
  font-weight: 400;
  margin-bottom: var(--sv-spacing-sm);
}

.sv-header-meta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--sv-spacing-lg);
  font-size: 0.8rem;
  color: var(--sv-air-superiority);
  margin-top: var(--sv-spacing-sm);
  padding-top: var(--sv-spacing-sm);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.sv-header-meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}


/* ============================================================
   5. TAB SYSTEM (CORE NAVIGATION)
   ============================================================ */

.sv-tabs {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #FFFFFF;
  border-bottom: 2px solid var(--sv-alice-blue);
  box-shadow: var(--sv-shadow-sm);
}

.sv-tab-list {
  display: flex;
  list-style: none;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sv-spacing-md);
  gap: var(--sv-spacing-xs);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.sv-tab-list::-webkit-scrollbar {
  display: none;
}

.sv-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1.25rem;
  font-family: var(--sv-font-family);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--sv-paynes-grey);
  background: transparent;
  border: none;
  border-radius: var(--sv-radius-md) var(--sv-radius-md) 0 0;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--sv-transition-fast), color var(--sv-transition-fast);
  position: relative;
}

.sv-tab-btn:hover {
  background: var(--sv-alice-blue);
  color: var(--sv-charcoal);
}

.sv-tab-btn:focus-visible {
  outline: 2px solid var(--sv-celestial-blue);
  outline-offset: -2px;
}

.sv-tab-btn[aria-selected="true"],
.sv-tab-btn.active {
  background: var(--sv-celestial-blue);
  color: #FFFFFF;
}

.sv-tab-btn[aria-selected="true"]::after,
.sv-tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--sv-celestial-blue);
}

.sv-tab-panel {
  display: none;
  padding: var(--sv-spacing-xl) 0;
  animation: sv-fadeIn var(--sv-transition-base);
}

.sv-tab-panel.active {
  display: block;
}

@keyframes sv-fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.sv-tab-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sv-spacing-xl);
}


/* ============================================================
   6. CARDS
   ============================================================ */

.sv-card {
  background: #FFFFFF;
  border-radius: var(--sv-radius-lg);
  padding: var(--sv-spacing-lg);
  box-shadow: var(--sv-shadow-md);
  margin-bottom: var(--sv-spacing-lg);
  transition: box-shadow var(--sv-transition-base);
}

.sv-card:hover {
  box-shadow: var(--sv-shadow-lg);
}

.sv-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sv-spacing-md);
  padding-bottom: var(--sv-spacing-sm);
  border-bottom: 1px solid var(--sv-alice-blue);
}

.sv-card-header h2,
.sv-card-header h3 {
  font-size: 1.05rem;
  color: var(--sv-charcoal);
}

.sv-card-header .sv-card-action {
  font-size: 0.8rem;
  color: var(--sv-celestial-blue);
  font-weight: 600;
}


/* ============================================================
   7. STAT GRID & STAT BOXES
   ============================================================ */

.sv-stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sv-spacing-lg);
  margin-bottom: var(--sv-spacing-xl);
}

.sv-stat-box {
  background: #FFFFFF;
  border-radius: var(--sv-radius-lg);
  padding: var(--sv-spacing-lg);
  box-shadow: var(--sv-shadow-md);
  text-align: center;
  transition: transform var(--sv-transition-fast), box-shadow var(--sv-transition-fast);
}

.sv-stat-box:hover {
  transform: translateY(-2px);
  box-shadow: var(--sv-shadow-lg);
}

.sv-stat-value {
  font-size: 2rem;
  font-weight: 900;
  color: var(--sv-celestial-blue);
  line-height: 1.2;
  margin-bottom: var(--sv-spacing-xs);
}

.sv-stat-label {
  font-size: 0.8rem;
  color: var(--sv-paynes-grey);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.sv-stat-trend {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.75rem;
  font-weight: 700;
  margin-top: var(--sv-spacing-xs);
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
}

.sv-stat-trend.up {
  color: #1a8a6a;
  background: rgba(79, 204, 184, 0.15);
}

.sv-stat-trend.down {
  color: #c4425a;
  background: rgba(255, 100, 129, 0.12);
}

.sv-stat-trend.neutral {
  color: var(--sv-paynes-grey);
  background: var(--sv-alice-blue);
}

/* Color variants for stat boxes */
.sv-stat-box.blue    .sv-stat-value { color: var(--sv-celestial-blue); }
.sv-stat-box.celtic  .sv-stat-value { color: var(--sv-celtic-blue); }
.sv-stat-box.teal    .sv-stat-value { color: var(--sv-sky-blue); }
.sv-stat-box.green   .sv-stat-value { color: var(--sv-turquoise); }
.sv-stat-box.orange  .sv-stat-value { color: var(--sv-orange); }
.sv-stat-box.pink    .sv-stat-value { color: var(--sv-bright-pink); }


/* ============================================================
   8. TABLES
   ============================================================ */

.sv-table-wrapper {
  overflow-x: auto;
  border-radius: var(--sv-radius-lg);
  box-shadow: var(--sv-shadow-md);
  margin-bottom: var(--sv-spacing-lg);
  background: #FFFFFF;
}

.sv-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.sv-table thead th {
  background: var(--sv-gunmetal);
  color: #FFFFFF;
  font-weight: 700;
  text-align: left;
  padding: 0.85rem 1rem;
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 10;
  -webkit-print-color-adjust: exact;
  print-color-adjust: exact;
}

.sv-table thead th:first-child {
  border-radius: var(--sv-radius-lg) 0 0 0;
}

.sv-table thead th:last-child {
  border-radius: 0 var(--sv-radius-lg) 0 0;
}

.sv-table tbody td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--sv-alice-blue);
  color: var(--sv-charcoal);
}

.sv-table tbody tr:nth-child(even) {
  background: var(--sv-alice-blue);
  -webkit-print-color-adjust: exact;
  print-color-adjust: exact;
}

.sv-table tbody tr:hover {
  background: rgba(71, 161, 218, 0.06);
}

.sv-table tbody tr:last-child td:first-child {
  border-radius: 0 0 0 var(--sv-radius-lg);
}

.sv-table tbody tr:last-child td:last-child {
  border-radius: 0 0 var(--sv-radius-lg) 0;
}

/* Right-align numeric columns */
.sv-table .num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}


/* ============================================================
   9. ALERTS
   ============================================================ */

.sv-alert {
  padding: var(--sv-spacing-md) var(--sv-spacing-lg);
  border-radius: var(--sv-radius-md);
  margin-bottom: var(--sv-spacing-lg);
  font-size: 0.9rem;
  line-height: 1.5;
  border-left: 4px solid;
}

.sv-alert-title {
  font-weight: 700;
  margin-bottom: var(--sv-spacing-xs);
  font-size: 0.9rem;
}

.sv-alert-info {
  border-left-color: var(--sv-celestial-blue);
  background: rgba(71, 161, 218, 0.08);
  color: var(--sv-charcoal);
}

.sv-alert-info .sv-alert-title {
  color: var(--sv-lapis-lazuli);
}

.sv-alert-warning {
  border-left-color: var(--sv-orange);
  background: rgba(251, 176, 60, 0.1);
  color: var(--sv-charcoal);
}

.sv-alert-warning .sv-alert-title {
  color: #b57a0a;
}

.sv-alert-danger {
  border-left-color: var(--sv-bright-pink);
  background: rgba(255, 100, 129, 0.08);
  color: var(--sv-charcoal);
}

.sv-alert-danger .sv-alert-title {
  color: #c4425a;
}

.sv-alert-success {
  border-left-color: var(--sv-turquoise);
  background: rgba(79, 204, 184, 0.1);
  color: var(--sv-charcoal);
}

.sv-alert-success .sv-alert-title {
  color: #1a8a6a;
}


/* ============================================================
   10. COLLAPSIBLE SECTIONS
   ============================================================ */

.sv-section {
  margin-bottom: var(--sv-spacing-lg);
  border-radius: var(--sv-radius-lg);
  background: #FFFFFF;
  box-shadow: var(--sv-shadow-sm);
  overflow: hidden;
}

.sv-section summary {
  display: flex;
  align-items: center;
  gap: var(--sv-spacing-sm);
  padding: var(--sv-spacing-md) var(--sv-spacing-lg);
  font-weight: 700;
  font-size: 1rem;
  color: var(--sv-charcoal);
  cursor: pointer;
  list-style: none;
  transition: background var(--sv-transition-fast);
  user-select: none;
}

.sv-section summary::-webkit-details-marker {
  display: none;
}

.sv-section summary::before {
  content: '';
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  border-right: 2px solid var(--sv-paynes-grey);
  border-bottom: 2px solid var(--sv-paynes-grey);
  transform: rotate(-45deg);
  transition: transform var(--sv-transition-fast);
  flex-shrink: 0;
}

.sv-section[open] summary::before {
  transform: rotate(45deg);
}

.sv-section summary:hover {
  background: var(--sv-alice-blue);
}

.sv-section summary:focus-visible {
  outline: 2px solid var(--sv-celestial-blue);
  outline-offset: -2px;
}

.sv-section .sv-section-body {
  padding: 0 var(--sv-spacing-lg) var(--sv-spacing-lg);
}


/* ============================================================
   11. FOOTER
   ============================================================ */

.sv-footer {
  background: var(--sv-gradient-dark);
  color: var(--sv-air-superiority);
  padding: var(--sv-spacing-lg) var(--sv-spacing-xl);
  border-radius: 0 0 var(--sv-radius-lg) var(--sv-radius-lg);
  margin-top: auto;
  -webkit-print-color-adjust: exact;
  print-color-adjust: exact;
}

.sv-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  gap: var(--sv-spacing-md);
  flex-wrap: wrap;
}

.sv-footer-logo img {
  max-height: 24px;
  width: auto;
  opacity: 0.8;
}

.sv-footer-text {
  font-size: 0.75rem;
  text-align: center;
  flex: 1;
}

.sv-footer-confidential {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sv-bright-pink);
  font-weight: 700;
}


/* ============================================================
   12. FLOATING ACTION BUTTONS
   ============================================================ */

.sv-fab-group {
  position: fixed;
  bottom: var(--sv-spacing-xl);
  right: var(--sv-spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--sv-spacing-sm);
  z-index: 1000;
}

.sv-btn-export,
.sv-btn-email {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-family: var(--sv-font-family);
  font-size: 0.8rem;
  font-weight: 700;
  box-shadow: var(--sv-shadow-lg);
  transition: transform var(--sv-transition-fast), box-shadow var(--sv-transition-fast);
}

.sv-btn-export:hover,
.sv-btn-email:hover {
  transform: scale(1.08);
  box-shadow: var(--sv-shadow-xl);
}

.sv-btn-export:focus-visible,
.sv-btn-email:focus-visible {
  outline: 3px solid var(--sv-sunglow);
  outline-offset: 2px;
}

.sv-btn-export:active,
.sv-btn-email:active {
  transform: scale(0.96);
}

.sv-btn-export {
  background: var(--sv-celestial-blue);
  color: #FFFFFF;
}

.sv-btn-email {
  background: var(--sv-charcoal);
  color: #FFFFFF;
}

.sv-btn-export svg,
.sv-btn-email svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Tooltip for FABs */
.sv-btn-export::before,
.sv-btn-email::before {
  content: attr(aria-label);
  position: absolute;
  right: 100%;
  top: 50%;
  transform: translateY(-50%);
  margin-right: 0.5rem;
  padding: 0.3rem 0.6rem;
  background: var(--sv-gunmetal);
  color: #FFFFFF;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: var(--sv-radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--sv-transition-fast);
}

.sv-btn-export:hover::before,
.sv-btn-email:hover::before {
  opacity: 1;
}


/* ============================================================
   13. BADGES
   ============================================================ */

.sv-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.6rem;
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: 999px;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.sv-badge-blue {
  background: rgba(71, 161, 218, 0.15);
  color: var(--sv-lapis-lazuli);
}

.sv-badge-green {
  background: rgba(79, 204, 184, 0.15);
  color: #1a8a6a;
}

.sv-badge-orange {
  background: rgba(251, 176, 60, 0.15);
  color: #b57a0a;
}

.sv-badge-pink {
  background: rgba(255, 100, 129, 0.15);
  color: #c4425a;
}

.sv-badge-grey {
  background: var(--sv-alice-blue);
  color: var(--sv-paynes-grey);
}

.sv-badge-dark {
  background: var(--sv-charcoal);
  color: #FFFFFF;
}


/* ============================================================
   14. TIMELINE
   ============================================================ */

.sv-timeline {
  position: relative;
  padding-left: 2rem;
  margin-bottom: var(--sv-spacing-xl);
}

.sv-timeline::before {
  content: '';
  position: absolute;
  left: 0.5rem;
  top: 0.25rem;
  bottom: 0.25rem;
  width: 2px;
  background: var(--sv-columbia-blue);
}

.sv-timeline-item {
  position: relative;
  padding-bottom: var(--sv-spacing-lg);
}

.sv-timeline-item:last-child {
  padding-bottom: 0;
}

.sv-timeline-item::before {
  content: '';
  position: absolute;
  left: -1.65rem;
  top: 0.35rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--sv-celestial-blue);
  border: 2px solid #FFFFFF;
  box-shadow: 0 0 0 2px var(--sv-celestial-blue);
}

.sv-timeline-date {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--sv-celestial-blue);
  margin-bottom: var(--sv-spacing-xs);
}

.sv-timeline-title {
  font-weight: 700;
  color: var(--sv-charcoal);
  margin-bottom: var(--sv-spacing-xs);
}

.sv-timeline-body {
  font-size: 0.875rem;
  color: var(--sv-paynes-grey);
}

/* Timeline color variants */
.sv-timeline-item.warning::before  { background: var(--sv-orange); box-shadow: 0 0 0 2px var(--sv-orange); }
.sv-timeline-item.danger::before   { background: var(--sv-bright-pink); box-shadow: 0 0 0 2px var(--sv-bright-pink); }
.sv-timeline-item.success::before  { background: var(--sv-turquoise); box-shadow: 0 0 0 2px var(--sv-turquoise); }


/* ============================================================
   15. KPI ROW
   ============================================================ */

.sv-kpi-row {
  display: flex;
  align-items: stretch;
  gap: 0;
  background: #FFFFFF;
  border-radius: var(--sv-radius-lg);
  box-shadow: var(--sv-shadow-md);
  overflow: hidden;
  margin-bottom: var(--sv-spacing-lg);
}

.sv-kpi-item {
  flex: 1;
  text-align: center;
  padding: var(--sv-spacing-lg) var(--sv-spacing-md);
  position: relative;
}

.sv-kpi-item + .sv-kpi-item {
  border-left: 1px solid var(--sv-alice-blue);
}

.sv-kpi-value {
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--sv-celestial-blue);
  line-height: 1.2;
}

.sv-kpi-label {
  font-size: 0.75rem;
  color: var(--sv-paynes-grey);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: var(--sv-spacing-xs);
}


/* ============================================================
   16. UTILITY CLASSES
   ============================================================ */

.sv-text-center   { text-align: center; }
.sv-text-right    { text-align: right; }
.sv-text-muted    { color: var(--sv-paynes-grey); }
.sv-text-small    { font-size: 0.8rem; }
.sv-text-blue     { color: var(--sv-celestial-blue); }
.sv-text-green    { color: var(--sv-turquoise); }
.sv-text-orange   { color: var(--sv-orange); }
.sv-text-pink     { color: var(--sv-bright-pink); }
.sv-font-bold     { font-weight: 700; }
.sv-font-light    { font-weight: 300; }
.sv-mb-0          { margin-bottom: 0; }
.sv-mb-sm         { margin-bottom: var(--sv-spacing-sm); }
.sv-mb-md         { margin-bottom: var(--sv-spacing-md); }
.sv-mb-lg         { margin-bottom: var(--sv-spacing-lg); }
.sv-mb-xl         { margin-bottom: var(--sv-spacing-xl); }
.sv-mt-md         { margin-top: var(--sv-spacing-md); }
.sv-mt-lg         { margin-top: var(--sv-spacing-lg); }

.sv-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Progress bar */
.sv-progress {
  height: 8px;
  background: var(--sv-alice-blue);
  border-radius: 999px;
  overflow: hidden;
}

.sv-progress-bar {
  height: 100%;
  border-radius: 999px;
  background: var(--sv-gradient-blue);
  transition: width var(--sv-transition-slow);
}

/* Divider */
.sv-divider {
  border: none;
  height: 1px;
  background: var(--sv-alice-blue);
  margin: var(--sv-spacing-lg) 0;
}

/* Grid helper */
.sv-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sv-spacing-lg);
}

.sv-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sv-spacing-lg);
}


/* ============================================================
   17. RESPONSIVE — TABLET (max-width: 768px)
   ============================================================ */

@media (max-width: 768px) {
  :root {
    --sv-font-size-base: 14px;
  }

  .sv-page {
    padding: var(--sv-spacing-md);
  }

  .sv-header {
    padding: var(--sv-spacing-lg) var(--sv-spacing-md) var(--sv-spacing-md);
  }

  .sv-header-inner {
    flex-direction: column;
    text-align: center;
    gap: var(--sv-spacing-md);
  }

  .sv-header-content {
    text-align: center;
  }

  .sv-header-meta {
    justify-content: center;
    flex-wrap: wrap;
  }

  .sv-header h1 {
    font-size: 1.25rem;
  }

  .sv-tab-list {
    padding: 0 var(--sv-spacing-sm);
  }

  .sv-tab-btn {
    padding: 0.6rem 0.9rem;
    font-size: 0.8rem;
  }

  .sv-tab-content {
    padding: 0 var(--sv-spacing-md);
  }

  .sv-stat-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--sv-spacing-md);
  }

  .sv-kpi-row {
    flex-wrap: wrap;
  }

  .sv-kpi-item {
    flex: 1 1 50%;
  }

  .sv-kpi-item:nth-child(n+3) {
    border-top: 1px solid var(--sv-alice-blue);
  }

  .sv-grid-2,
  .sv-grid-3 {
    grid-template-columns: 1fr;
  }

  .sv-fab-group {
    bottom: var(--sv-spacing-md);
    right: var(--sv-spacing-md);
  }

  .sv-footer-inner {
    flex-direction: column;
    text-align: center;
  }
}


/* ============================================================
   18. RESPONSIVE — MOBILE (max-width: 480px)
   ============================================================ */

@media (max-width: 480px) {
  .sv-page {
    padding: var(--sv-spacing-sm);
  }

  .sv-header {
    padding: var(--sv-spacing-md) var(--sv-spacing-sm);
  }

  .sv-header h1 {
    font-size: 1.1rem;
  }

  .sv-card {
    padding: var(--sv-spacing-md);
    border-radius: var(--sv-radius-md);
  }

  .sv-stat-grid {
    grid-template-columns: 1fr;
  }

  .sv-stat-value {
    font-size: 1.5rem;
  }

  .sv-kpi-item {
    flex: 1 1 100%;
  }

  .sv-kpi-item + .sv-kpi-item {
    border-left: none;
    border-top: 1px solid var(--sv-alice-blue);
  }

  .sv-tab-btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
  }

  h1 { font-size: 1.3rem; }
  h2 { font-size: 1.1rem; }
  h3 { font-size: 1rem; }

  .sv-timeline {
    padding-left: 1.5rem;
  }
}


/* ============================================================
   19. REDUCED MOTION
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}


/* ============================================================
   20. PRINT STYLES
   ============================================================ */

@media print {
  @page {
    margin: 1.5cm;
    size: A4;
  }

  body {
    background: #FFFFFF;
    color: #000000;
    font-size: 11pt;
  }

  .sv-page {
    max-width: none;
    padding: 0;
  }

  /* Show ALL tab panels, hide tab navigation */
  .sv-tabs {
    display: none;
  }

  .sv-tab-panel {
    display: block !important;
    padding: 0;
    page-break-inside: avoid;
  }

  .sv-tab-panel + .sv-tab-panel {
    page-break-before: always;
    margin-top: 1rem;
  }

  /* Print section headers for tab panels */
  .sv-tab-panel::before {
    content: attr(data-tab-title);
    display: block;
    font-size: 14pt;
    font-weight: 700;
    color: var(--sv-charcoal);
    border-bottom: 2px solid var(--sv-celestial-blue);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
  }

  /* Header & footer force print colors */
  .sv-header,
  .sv-footer {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .sv-header {
    border-radius: 0;
  }

  .sv-footer {
    border-radius: 0;
    page-break-before: avoid;
  }

  /* Cards: border only, no shadow */
  .sv-card,
  .sv-stat-box,
  .sv-kpi-row {
    box-shadow: none;
    border: 1px solid var(--sv-columbia-blue);
  }

  .sv-card:hover,
  .sv-stat-box:hover {
    transform: none;
    box-shadow: none;
  }

  /* Tables */
  .sv-table-wrapper {
    box-shadow: none;
    border: 1px solid var(--sv-columbia-blue);
  }

  .sv-table thead th {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .sv-table tbody tr:nth-child(even) {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  /* Sections: force open */
  .sv-section {
    box-shadow: none;
    border: 1px solid var(--sv-columbia-blue);
  }

  .sv-section .sv-section-body {
    display: block;
  }

  /* Page breaks */
  .sv-section,
  .sv-card {
    page-break-inside: avoid;
  }

  h2, h3 {
    page-break-after: avoid;
  }

  /* Hide interactive elements */
  .sv-fab-group,
  .sv-btn-export,
  .sv-btn-email {
    display: none !important;
  }

  /* Links: show URL */
  a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: var(--sv-paynes-grey);
  }
}