/* ==========================================================================
   VITALMETRIC v2.4 — WEB APPLICATION / HEALTH DASHBOARD STYLES
   Namespace: .vm-*
   ========================================================================== */

:root {
  --vm-bg-body: #f8fafc;
  --vm-bg-sidebar: #0f172a;
  --vm-sidebar-text: #94a3b8;
  --vm-sidebar-active: #ffffff;
  --vm-sidebar-active-bg: #1e293b;
  --vm-primary: #0284c7;
  --vm-primary-hover: #0369a1;
  --vm-accent: #10b981;
  --vm-accent-light: #ecfdf5;
  --vm-warning: #f59e0b;
  --vm-warning-light: #fffbeb;
  --vm-card-bg: #ffffff;
  --vm-border: #e2e8f0;
  --vm-border-light: #f1f5f9;
  --vm-text-main: #0f172a;
  --vm-text-muted: #64748b;
  --vm-text-subtle: #94a3b8;
  --vm-radius-sm: 8px;
  --vm-radius-md: 14px;
  --vm-radius-lg: 20px;
  --vm-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --vm-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --vm-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
}

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

body.vm-body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--vm-bg-body);
  color: var(--vm-text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  display: flex;
  min-height: 100vh;
}

/* ==========================================================================
   APP LAYOUT WRAPPER (SIDEBAR + MAIN CANVAS)
   ========================================================================== */

.vm-app-layout {
  display: flex;
  width: 100%;
  min-height: 100vh;
}

/* SIDEBAR */
.vm-sidebar {
  width: 280px;
  background-color: var(--vm-bg-sidebar);
  color: var(--vm-sidebar-text);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 50;
  overflow-y: auto;
  border-right: 1px solid #1e293b;
}

.vm-sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid #1e293b;
}

.vm-brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #ffffff;
}

.vm-brand-logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #0284c7 0%, #10b981 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 800;
  font-size: 18px;
  box-shadow: 0 4px 10px rgba(2, 132, 199, 0.3);
}

.vm-brand-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff;
  line-height: 1.2;
}

.vm-brand-tagline {
  font-size: 11px;
  color: #64748b;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.vm-sidebar-section-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #475569;
  font-weight: 700;
  padding: 20px 20px 8px;
}

.vm-sidebar-nav {
  list-style: none;
  padding: 0 12px;
}

.vm-nav-item {
  margin-bottom: 4px;
}

.vm-nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--vm-radius-sm);
  color: var(--vm-sidebar-text);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
}

.vm-nav-link:hover {
  background-color: var(--vm-sidebar-active-bg);
  color: #ffffff;
}

.vm-nav-link.vm-active {
  background: linear-gradient(90deg, rgba(2, 132, 199, 0.15) 0%, rgba(16, 185, 129, 0.1) 100%);
  color: #38bdf8;
  font-weight: 600;
  border-left: 3px solid #38bdf8;
}

.vm-nav-icon {
  width: 18px;
  height: 18px;
  opacity: 0.8;
  flex-shrink: 0;
}

.vm-nav-badge {
  margin-left: auto;
  font-size: 10px;
  font-weight: 700;
  background-color: rgba(16, 185, 129, 0.2);
  color: #34d399;
  padding: 2px 7px;
  border-radius: 20px;
}

.vm-sidebar-footer {
  padding: 20px 16px;
  border-top: 1px solid #1e293b;
  background-color: #0b1120;
}

.vm-user-profile-widget {
  display: flex;
  align-items: center;
  gap: 12px;
}

.vm-user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #0284c7;
}

.vm-user-info {
  line-height: 1.3;
}

.vm-user-name {
  font-size: 13px;
  font-weight: 600;
  color: #ffffff;
}

.vm-user-role {
  font-size: 11px;
  color: #64748b;
}

.vm-status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #10b981;
  margin-right: 4px;
}

/* MAIN CONTENT CANVAS */
.vm-main-canvas {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow-x: hidden;
}

/* TOP APP HEADER BAR */
.vm-topbar {
  background-color: #ffffff;
  border-bottom: 1px solid var(--vm-border);
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 40;
}

.vm-topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.vm-mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  color: var(--vm-text-main);
}

.vm-breadcrumb {
  font-size: 13px;
  color: var(--vm-text-muted);
  font-weight: 500;
}

.vm-breadcrumb span {
  color: var(--vm-text-main);
  font-weight: 600;
}

.vm-topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.vm-live-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  background-color: #f1f5f9;
  padding: 6px 14px;
  border-radius: 20px;
  color: var(--vm-text-muted);
}

.vm-live-pulse {
  width: 8px;
  height: 8px;
  background-color: #10b981;
  border-radius: 50%;
  animation: vm-pulse 2s infinite;
}

@keyframes vm-pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.vm-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  color: #ffffff;
  padding: 8px 18px;
  border-radius: var(--vm-radius-sm);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(2, 132, 199, 0.2);
}

.vm-btn-primary:hover {
  background: linear-gradient(135deg, #0369a1 0%, #075985 100%);
  box-shadow: 0 4px 8px rgba(2, 132, 199, 0.3);
}

/* APP BODY WRAPPER */
.vm-app-content {
  padding: 32px;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

/* APP WELCOME HERO BANNER */
.vm-welcome-banner {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  border-radius: var(--vm-radius-lg);
  color: #ffffff;
  padding: 32px 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--vm-shadow-md);
}

.vm-welcome-banner::after {
  content: '';
  position: absolute;
  right: -50px;
  bottom: -50px;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(2, 132, 199, 0.25) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.vm-welcome-text {
  max-width: 700px;
  position: relative;
  z-index: 2;
}

.vm-welcome-badge {
  display: inline-block;
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.vm-welcome-title {
  font-size: 26px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.vm-welcome-desc {
  font-size: 14px;
  color: #94a3b8;
  line-height: 1.6;
}

/* METRIC KPI STRIP */
.vm-kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 28px;
}

.vm-kpi-card {
  background-color: var(--vm-card-bg);
  border: 1px solid var(--vm-border);
  border-radius: var(--vm-radius-md);
  padding: 20px;
  box-shadow: var(--vm-shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.vm-kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--vm-shadow-md);
}

.vm-kpi-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.vm-kpi-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--vm-text-muted);
}

.vm-kpi-icon-wrap {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background-color: #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--vm-primary);
}

.vm-kpi-val {
  font-size: 28px;
  font-weight: 800;
  color: var(--vm-text-main);
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.vm-kpi-sub {
  font-size: 12px;
  color: var(--vm-text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.vm-kpi-tag-good {
  color: #10b981;
  font-weight: 700;
}

/* 2-COLUMN DASHBOARD CORE TOOLS */
.vm-tools-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 28px;
  margin-bottom: 32px;
}

.vm-dashboard-card {
  background-color: var(--vm-card-bg);
  border: 1px solid var(--vm-border);
  border-radius: var(--vm-radius-lg);
  padding: 28px;
  box-shadow: var(--vm-shadow-sm);
}

.vm-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--vm-border-light);
}

.vm-card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--vm-text-main);
  display: flex;
  align-items: center;
  gap: 10px;
}

.vm-card-title-icon {
  color: var(--vm-primary);
}

.vm-card-badge {
  font-size: 11px;
  font-weight: 600;
  background-color: #e0f2fe;
  color: #0369a1;
  padding: 3px 10px;
  border-radius: 12px;
}

/* CALCULATOR SLIDERS */
.vm-calc-control {
  margin-bottom: 20px;
}

.vm-calc-control-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.vm-control-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--vm-text-main);
}

.vm-control-val {
  font-size: 14px;
  font-weight: 700;
  color: var(--vm-primary);
  background-color: #f0f9ff;
  padding: 2px 10px;
  border-radius: 6px;
  border: 1px solid #bae6fd;
}

.vm-range-input {
  width: 100%;
  height: 6px;
  background: #e2e8f0;
  border-radius: 3px;
  outline: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.vm-range-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #0284c7;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(2, 132, 199, 0.4);
  transition: transform 0.1s ease;
}

.vm-range-input::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.vm-calc-result-box {
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  border: 1px solid var(--vm-border);
  border-radius: var(--vm-radius-md);
  padding: 20px;
  margin-top: 24px;
}

.vm-result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.vm-result-score-title {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--vm-text-muted);
}

.vm-result-score-num {
  font-size: 32px;
  font-weight: 800;
  color: #0284c7;
}

.vm-progress-track {
  height: 10px;
  background-color: #cbd5e1;
  border-radius: 5px;
  overflow: hidden;
  margin-bottom: 14px;
}

.vm-progress-fill {
  height: 100%;
  width: 82%;
  background: linear-gradient(90deg, #10b981 0%, #0284c7 100%);
  border-radius: 5px;
  transition: width 0.4s ease;
}

.vm-result-status-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  background-color: #dcfce7;
  color: #15803d;
  margin-bottom: 12px;
}

.vm-result-advice {
  font-size: 13px;
  color: var(--vm-text-main);
  line-height: 1.5;
}

/* INTERACTIVE HABIT TRACKER */
.vm-habit-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.vm-habit-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  background-color: #f8fafc;
  border: 1px solid var(--vm-border);
  border-radius: var(--vm-radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.vm-habit-item:hover {
  background-color: #ffffff;
  border-color: #cbd5e1;
  transform: translateX(3px);
}

.vm-habit-item.vm-completed {
  background-color: #f0fdf4;
  border-color: #bbf7d0;
}

.vm-habit-checkbox {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  border: 2px solid #cbd5e1;
  background-color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.vm-habit-item.vm-completed .vm-habit-checkbox {
  background-color: #10b981;
  border-color: #10b981;
  color: #ffffff;
}

.vm-habit-details {
  flex: 1;
}

.vm-habit-time {
  font-size: 11px;
  font-weight: 700;
  color: #0284c7;
  text-transform: uppercase;
  margin-bottom: 2px;
}

.vm-habit-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--vm-text-main);
  line-height: 1.4;
}

.vm-habit-item.vm-completed .vm-habit-name {
  text-decoration: line-through;
  color: var(--vm-text-muted);
}

.vm-habit-tag {
  font-size: 11px;
  color: var(--vm-text-muted);
  margin-top: 4px;
}

.vm-habit-progress-summary {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--vm-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.vm-habit-progress-text {
  font-size: 13px;
  font-weight: 600;
  color: var(--vm-text-muted);
}

.vm-habit-progress-val {
  font-size: 14px;
  font-weight: 700;
  color: #10b981;
}

/* TABBED BIOMECHANICS MODULE DECK */
.vm-tabs-section {
  background-color: var(--vm-card-bg);
  border: 1px solid var(--vm-border);
  border-radius: var(--vm-radius-lg);
  padding: 32px;
  margin-bottom: 32px;
  box-shadow: var(--vm-shadow-sm);
}

.vm-tab-nav {
  display: flex;
  gap: 8px;
  border-bottom: 2px solid var(--vm-border-light);
  margin-bottom: 28px;
}

.vm-tab-btn {
  background: none;
  border: none;
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--vm-text-muted);
  cursor: pointer;
  position: relative;
  transition: all 0.2s ease;
}

.vm-tab-btn:hover {
  color: var(--vm-primary);
}

.vm-tab-btn.vm-tab-active {
  color: var(--vm-primary);
  font-weight: 700;
}

.vm-tab-btn.vm-tab-active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--vm-primary);
}

.vm-tab-content {
  display: none;
}

.vm-tab-content.vm-content-active {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 32px;
  align-items: center;
}

.vm-tab-media img {
  width: 100%;
  border-radius: var(--vm-radius-md);
  object-fit: cover;
  box-shadow: var(--vm-shadow-md);
  max-height: 320px;
}

.vm-tab-info h3 {
  font-size: 22px;
  font-weight: 800;
  color: var(--vm-text-main);
  margin-bottom: 12px;
  line-height: 1.3;
}

.vm-tab-info p {
  font-size: 14px;
  color: var(--vm-text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}

.vm-tab-checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.vm-tab-checklist li {
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--vm-text-main);
}

.vm-tab-checklist li::before {
  content: '✓';
  color: #10b981;
  font-weight: 800;
}

/* ARTICLE / KNOWLEDGE GRID */
.vm-knowledge-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.vm-article-card {
  background-color: var(--vm-card-bg);
  border: 1px solid var(--vm-border);
  border-radius: var(--vm-radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--vm-shadow-sm);
  transition: transform 0.2s ease;
}

.vm-article-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--vm-shadow-md);
}

.vm-article-tag {
  font-size: 11px;
  font-weight: 700;
  color: #0284c7;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.vm-article-title {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
  color: var(--vm-text-main);
}

.vm-article-desc {
  font-size: 13px;
  color: var(--vm-text-muted);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 16px;
}

.vm-article-readtime {
  font-size: 11px;
  color: var(--vm-text-subtle);
  font-weight: 600;
}

/* AUTHOR PROFILE STRIP */
.vm-author-strip {
  background-color: #ffffff;
  border: 1px solid var(--vm-border);
  border-radius: var(--vm-radius-lg);
  padding: 28px;
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 32px;
}

.vm-author-img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid #0284c7;
  flex-shrink: 0;
}

.vm-author-details h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--vm-text-main);
  margin-bottom: 4px;
}

.vm-author-details .vm-author-title {
  font-size: 12px;
  font-weight: 600;
  color: #0284c7;
  margin-bottom: 8px;
}

.vm-author-details p {
  font-size: 13px;
  color: var(--vm-text-muted);
  line-height: 1.6;
}

/* APP FOOTER */
.vm-app-footer {
  background-color: #ffffff;
  border-top: 1px solid var(--vm-border);
  padding: 32px;
  margin-top: auto;
}

.vm-footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.vm-footer-links {
  display: flex;
  gap: 20px;
  list-style: none;
  flex-wrap: wrap;
}

.vm-footer-links a {
  font-size: 13px;
  color: var(--vm-text-muted);
  text-decoration: none;
  font-weight: 500;
}

.vm-footer-links a:hover {
  color: var(--vm-primary);
}

.vm-footer-copy {
  font-size: 12px;
  color: var(--vm-text-subtle);
}

/* SUBPAGE CONTENT STYLES (INSIDE APP SHELL) */
.vm-subpage-card {
  background-color: var(--vm-card-bg);
  border: 1px solid var(--vm-border);
  border-radius: var(--vm-radius-lg);
  padding: 40px;
  box-shadow: var(--vm-shadow-sm);
  margin-bottom: 32px;
}

.vm-subpage-header {
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--vm-border-light);
}

.vm-subpage-header h1 {
  font-size: 28px;
  font-weight: 800;
  color: var(--vm-text-main);
  margin-bottom: 8px;
}

.vm-subpage-header p {
  font-size: 15px;
  color: var(--vm-text-muted);
}

.vm-subpage-body {
  font-size: 14px;
  line-height: 1.8;
  color: #334155;
}

.vm-subpage-body h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--vm-text-main);
  margin: 28px 0 12px;
}

.vm-subpage-body h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--vm-text-main);
  margin: 20px 0 8px;
}

.vm-subpage-body p {
  margin-bottom: 16px;
}

.vm-subpage-body ul, .vm-subpage-body ol {
  margin-bottom: 18px;
  padding-left: 20px;
}

.vm-subpage-body li {
  margin-bottom: 8px;
}

.vm-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.vm-form-group {
  margin-bottom: 20px;
}

.vm-form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--vm-text-main);
}

.vm-form-input, .vm-form-textarea, .vm-form-select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--vm-border);
  border-radius: var(--vm-radius-sm);
  font-family: inherit;
  font-size: 14px;
  color: var(--vm-text-main);
  background-color: #ffffff;
  transition: border-color 0.2s ease;
}

.vm-form-input:focus, .vm-form-textarea:focus, .vm-form-select:focus {
  outline: none;
  border-color: var(--vm-primary);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

/* RESPONSIVE BREAKPOINTS */
@media (max-width: 1024px) {
  .vm-kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .vm-tools-grid {
    grid-template-columns: 1fr;
  }
  
  .vm-knowledge-grid {
    grid-template-columns: 1fr;
  }
  
  .vm-tab-content.vm-content-active {
    grid-template-columns: 1fr;
  }
  
  .vm-contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .vm-sidebar {
    position: fixed;
    left: -280px;
    transition: left 0.3s ease;
    box-shadow: 10px 0 25px rgba(0, 0, 0, 0.2);
  }
  
  .vm-sidebar.vm-sidebar-open {
    left: 0;
  }
  
  .vm-mobile-toggle {
    display: block;
  }
  
  .vm-app-content {
    padding: 16px;
  }
  
  .vm-kpi-grid {
    grid-template-columns: 1fr;
  }
  
  .vm-welcome-banner {
    padding: 24px;
  }
  
  .vm-welcome-title {
    font-size: 20px;
  }
  
  .vm-topbar {
    padding: 12px 16px;
  }
  
  .vm-author-strip {
    flex-direction: column;
    text-align: center;
  }
}