/* ===== Modern CSS Reset ===== */
/* Based on Andy Bell's reset + Giotto methodology */

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

html {
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

a {
  color: inherit;
  text-decoration: none;
}

h1, h2, h3, h4, h5, h6 {
  text-wrap: balance;
  line-height: 1.2;
}

p, li, figcaption {
  text-wrap: pretty;
  max-inline-size: 70ch;
}

ul, ol {
  list-style: none;
}

table {
  border-collapse: collapse;
}

/* Focus visible - accessible focus ring */
:focus-visible {
  outline: 2px solid var(--color-focus, currentColor);
  outline-offset: 3px;
  border-radius: var(--radius-sm, 4px);
}

:focus:not(:focus-visible) {
  outline: none;
}

/* 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;
  }
}
/* ===== VitalFlow Design System - Base CSS ===== */
/* Pure CSS, Bootstrap-familiar class names */
/* All visual values consumed from CSS custom properties */

/* ===== DESIGN TOKENS ===== */
:root {
  /* Typography - Fluid Scale (1.250 Major Third) */
  --fs-xs: clamp(0.64rem, 0.61rem + 0.15vw, 0.72rem);
  --fs-sm: clamp(0.80rem, 0.77rem + 0.18vw, 0.88rem);
  --fs-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --fs-lg: clamp(1.25rem, 1.15rem + 0.50vw, 1.5rem);
  --fs-xl: clamp(1.56rem, 1.38rem + 0.90vw, 2rem);
  --fs-2xl: clamp(1.95rem, 1.65rem + 1.50vw, 2.75rem);
  --fs-3xl: clamp(2.44rem, 1.95rem + 2.45vw, 3.75rem);
  --fs-display: clamp(3.05rem, 2.30rem + 3.75vw, 5rem);

  /* Spacing - 8pt Grid */
  --space-0: 0;
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.5rem;    /* 24px */
  --space-6: 2rem;      /* 32px */
  --space-7: 2.5rem;    /* 40px */
  --space-8: 3rem;      /* 48px */
  --space-9: 4rem;      /* 64px */
  --space-10: 5rem;     /* 80px */
  --space-11: 6rem;     /* 96px */
  --space-12: 8rem;     /* 128px */

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Motion */
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;
  --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Z-Index Scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-toast: 500;
  --z-theme-picker: 600;

  /* Container */
  --container-max: 1200px;
  --container-px: var(--space-5);
}

/* ===== BASE STYLES ===== */
html {
  font-family: var(--font-body, system-ui, sans-serif);
  font-size: 100%;
  color: var(--text-primary);
  background-color: var(--bg-base);
  transition: background-color var(--duration-normal) var(--ease-out),
              color var(--duration-normal) var(--ease-out);
}

body {
  font-size: var(--fs-base);
  color: var(--text-primary);
  background-color: var(--bg-base);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--scrollbar-track, var(--bg-surface));
}
::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb, var(--border-default));
  border-radius: var(--radius-full);
}

/* Selection */
::selection {
  background: rgba(var(--color-primary-rgb, 100, 100, 100), 0.25);
  color: var(--text-primary);
}

/* ===== TYPOGRAPHY ===== */
h1, .h1 { font-family: var(--font-display); font-size: var(--fs-3xl); font-weight: 700; }
h2, .h2 { font-family: var(--font-display); font-size: var(--fs-2xl); font-weight: 700; }
h3, .h3 { font-family: var(--font-display); font-size: var(--fs-xl); font-weight: 600; }
h4, .h4 { font-family: var(--font-display); font-size: var(--fs-lg); font-weight: 600; }
h5, .h5 { font-size: var(--fs-base); font-weight: 600; }
h6, .h6 { font-size: var(--fs-sm); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }

.display-1 { font-family: var(--font-display); font-size: var(--fs-display); font-weight: 700; line-height: 1.1; }
.display-2 { font-family: var(--font-display); font-size: var(--fs-3xl); font-weight: 700; line-height: 1.1; }

.lead { font-size: var(--fs-lg); color: var(--text-secondary); line-height: 1.6; }
.small, small { font-size: var(--fs-sm); }
.fs-xs { font-size: var(--fs-xs); }
.fs-sm { font-size: var(--fs-sm); }
.fs-base { font-size: var(--fs-base); }
.fs-lg { font-size: var(--fs-lg); }
.fs-xl { font-size: var(--fs-xl); }
.fs-2xl { font-size: var(--fs-2xl); }
.fs-3xl { font-size: var(--fs-3xl); }

.fw-normal { font-weight: 400; }
.fw-medium { font-weight: 500; }
.fw-semibold { font-weight: 600; }
.fw-bold { font-weight: 700; }

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--color-primary-text); }
.text-danger { color: var(--color-danger); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-center { text-align: center; }
.text-start { text-align: left; }
.text-end { text-align: right; }
.text-uppercase { text-transform: uppercase; letter-spacing: 0.05em; }
.text-truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

a:not(.btn) {
  color: var(--color-primary-text);
  transition: color var(--duration-fast) var(--ease-out);
}
a:not(.btn):hover {
  color: var(--color-primary-hover);
}

/* ===== LAYOUT: CONTAINER ===== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
}
.container-fluid {
  width: 100%;
  padding-inline: var(--container-px);
}
.container-sm { max-width: 640px; margin-inline: auto; padding-inline: var(--container-px); }
.container-lg { max-width: 1400px; margin-inline: auto; padding-inline: var(--container-px); }

/* ===== LAYOUT: 12-COLUMN GRID ===== */
.row {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-5);
}

/* Column spans */
.col-1  { grid-column: span 1; }
.col-2  { grid-column: span 2; }
.col-3  { grid-column: span 3; }
.col-4  { grid-column: span 4; }
.col-5  { grid-column: span 5; }
.col-6  { grid-column: span 6; }
.col-7  { grid-column: span 7; }
.col-8  { grid-column: span 8; }
.col-9  { grid-column: span 9; }
.col-10 { grid-column: span 10; }
.col-11 { grid-column: span 11; }
.col-12 { grid-column: span 12; }
.col    { grid-column: span 12; }

/* Small breakpoint (576px+) */
@media (min-width: 576px) {
  .col-sm-1  { grid-column: span 1; }
  .col-sm-2  { grid-column: span 2; }
  .col-sm-3  { grid-column: span 3; }
  .col-sm-4  { grid-column: span 4; }
  .col-sm-5  { grid-column: span 5; }
  .col-sm-6  { grid-column: span 6; }
  .col-sm-7  { grid-column: span 7; }
  .col-sm-8  { grid-column: span 8; }
  .col-sm-9  { grid-column: span 9; }
  .col-sm-10 { grid-column: span 10; }
  .col-sm-11 { grid-column: span 11; }
  .col-sm-12 { grid-column: span 12; }
}

/* Medium breakpoint (768px+) */
@media (min-width: 768px) {
  .col-md-1  { grid-column: span 1; }
  .col-md-2  { grid-column: span 2; }
  .col-md-3  { grid-column: span 3; }
  .col-md-4  { grid-column: span 4; }
  .col-md-5  { grid-column: span 5; }
  .col-md-6  { grid-column: span 6; }
  .col-md-7  { grid-column: span 7; }
  .col-md-8  { grid-column: span 8; }
  .col-md-9  { grid-column: span 9; }
  .col-md-10 { grid-column: span 10; }
  .col-md-11 { grid-column: span 11; }
  .col-md-12 { grid-column: span 12; }
}

/* Large breakpoint (1024px+) */
@media (min-width: 1024px) {
  .col-lg-1  { grid-column: span 1; }
  .col-lg-2  { grid-column: span 2; }
  .col-lg-3  { grid-column: span 3; }
  .col-lg-4  { grid-column: span 4; }
  .col-lg-5  { grid-column: span 5; }
  .col-lg-6  { grid-column: span 6; }
  .col-lg-7  { grid-column: span 7; }
  .col-lg-8  { grid-column: span 8; }
  .col-lg-9  { grid-column: span 9; }
  .col-lg-10 { grid-column: span 10; }
  .col-lg-11 { grid-column: span 11; }
  .col-lg-12 { grid-column: span 12; }
}

/* XL breakpoint (1280px+) */
@media (min-width: 1280px) {
  .col-xl-1  { grid-column: span 1; }
  .col-xl-2  { grid-column: span 2; }
  .col-xl-3  { grid-column: span 3; }
  .col-xl-4  { grid-column: span 4; }
  .col-xl-5  { grid-column: span 5; }
  .col-xl-6  { grid-column: span 6; }
  .col-xl-7  { grid-column: span 7; }
  .col-xl-8  { grid-column: span 8; }
  .col-xl-9  { grid-column: span 9; }
  .col-xl-10 { grid-column: span 10; }
  .col-xl-11 { grid-column: span 11; }
  .col-xl-12 { grid-column: span 12; }
}

/* ===== DISPLAY ===== */
.d-none { display: none; }
.d-block { display: block; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }
.d-flex { display: flex; }
.d-inline-flex { display: inline-flex; }
.d-grid { display: grid; }

@media (min-width: 576px) {
  .d-sm-none { display: none; }
  .d-sm-block { display: block; }
  .d-sm-flex { display: flex; }
  .d-sm-grid { display: grid; }
}
@media (min-width: 768px) {
  .d-md-none { display: none; }
  .d-md-block { display: block; }
  .d-md-flex { display: flex; }
  .d-md-grid { display: grid; }
}
@media (min-width: 1024px) {
  .d-lg-none { display: none; }
  .d-lg-block { display: block; }
  .d-lg-flex { display: flex; }
  .d-lg-grid { display: grid; }
}

/* ===== FLEXBOX ===== */
.flex-row { flex-direction: row; }
.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }
.flex-grow-1 { flex-grow: 1; }
.flex-shrink-0 { flex-shrink: 0; }
.justify-content-start { justify-content: flex-start; }
.justify-content-end { justify-content: flex-end; }
.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-around { justify-content: space-around; }
.align-items-start { align-items: flex-start; }
.align-items-end { align-items: flex-end; }
.align-items-center { align-items: center; }
.align-items-stretch { align-items: stretch; }
.align-self-start { align-self: flex-start; }
.align-self-center { align-self: center; }
.align-self-end { align-self: flex-end; }

/* ===== SPACING (margin & padding) ===== */
/* Pattern: .{m|p}{t|b|s|e|x|y}-{0-12} */

/* Margin */
.m-0 { margin: var(--space-0); } .m-1 { margin: var(--space-1); } .m-2 { margin: var(--space-2); }
.m-3 { margin: var(--space-3); } .m-4 { margin: var(--space-4); } .m-5 { margin: var(--space-5); }
.m-6 { margin: var(--space-6); } .m-8 { margin: var(--space-8); }

.mt-0 { margin-top: var(--space-0); } .mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); } .mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); } .mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); } .mt-8 { margin-top: var(--space-8); }
.mt-9 { margin-top: var(--space-9); } .mt-10 { margin-top: var(--space-10); }

.mb-0 { margin-bottom: var(--space-0); } .mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); } .mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); } .mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); } .mb-8 { margin-bottom: var(--space-8); }
.mb-9 { margin-bottom: var(--space-9); } .mb-10 { margin-bottom: var(--space-10); }

.ms-0 { margin-inline-start: var(--space-0); } .ms-1 { margin-inline-start: var(--space-1); }
.ms-2 { margin-inline-start: var(--space-2); } .ms-3 { margin-inline-start: var(--space-3); }
.ms-4 { margin-inline-start: var(--space-4); } .ms-auto { margin-inline-start: auto; }

.me-0 { margin-inline-end: var(--space-0); } .me-1 { margin-inline-end: var(--space-1); }
.me-2 { margin-inline-end: var(--space-2); } .me-3 { margin-inline-end: var(--space-3); }
.me-4 { margin-inline-end: var(--space-4); } .me-auto { margin-inline-end: auto; }

.mx-auto { margin-inline: auto; }
.my-0 { margin-block: var(--space-0); } .my-4 { margin-block: var(--space-4); }
.my-5 { margin-block: var(--space-5); } .my-6 { margin-block: var(--space-6); }
.my-8 { margin-block: var(--space-8); }

/* Padding */
.p-0 { padding: var(--space-0); } .p-1 { padding: var(--space-1); } .p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); } .p-4 { padding: var(--space-4); } .p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); } .p-8 { padding: var(--space-8); } .p-9 { padding: var(--space-9); }

.pt-0 { padding-top: var(--space-0); } .pt-4 { padding-top: var(--space-4); }
.pt-5 { padding-top: var(--space-5); } .pt-6 { padding-top: var(--space-6); }
.pt-8 { padding-top: var(--space-8); } .pt-9 { padding-top: var(--space-9); }
.pt-10 { padding-top: var(--space-10); } .pt-11 { padding-top: var(--space-11); }

.pb-0 { padding-bottom: var(--space-0); } .pb-4 { padding-bottom: var(--space-4); }
.pb-5 { padding-bottom: var(--space-5); } .pb-6 { padding-bottom: var(--space-6); }
.pb-8 { padding-bottom: var(--space-8); } .pb-9 { padding-bottom: var(--space-9); }
.pb-10 { padding-bottom: var(--space-10); } .pb-11 { padding-bottom: var(--space-11); }

.ps-0 { padding-inline-start: var(--space-0); } .ps-3 { padding-inline-start: var(--space-3); }
.ps-4 { padding-inline-start: var(--space-4); } .ps-5 { padding-inline-start: var(--space-5); }

.pe-0 { padding-inline-end: var(--space-0); } .pe-3 { padding-inline-end: var(--space-3); }
.pe-4 { padding-inline-end: var(--space-4); } .pe-5 { padding-inline-end: var(--space-5); }

.px-3 { padding-inline: var(--space-3); } .px-4 { padding-inline: var(--space-4); }
.px-5 { padding-inline: var(--space-5); } .px-6 { padding-inline: var(--space-6); }

.py-2 { padding-block: var(--space-2); } .py-3 { padding-block: var(--space-3); }
.py-4 { padding-block: var(--space-4); } .py-5 { padding-block: var(--space-5); }
.py-6 { padding-block: var(--space-6); } .py-8 { padding-block: var(--space-8); }
.py-9 { padding-block: var(--space-9); } .py-10 { padding-block: var(--space-10); }
.py-11 { padding-block: var(--space-11); }

/* Gap */
.gap-0 { gap: var(--space-0); } .gap-1 { gap: var(--space-1); } .gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); } .gap-4 { gap: var(--space-4); } .gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); } .gap-8 { gap: var(--space-8); }

/* ===== SIZING ===== */
.w-100 { width: 100%; }
.w-auto { width: auto; }
.h-100 { height: 100%; }
.min-vh-100 { min-height: 100vh; }
.vh-100 { height: 100vh; }

/* ===== POSITION ===== */
.position-relative { position: relative; }
.position-absolute { position: absolute; }
.position-fixed { position: fixed; }
.position-sticky { position: sticky; }
.top-0 { top: 0; }
.start-0 { left: 0; }
.end-0 { right: 0; }
.bottom-0 { bottom: 0; }

/* ===== OVERFLOW ===== */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-x-auto { overflow-x: auto; }

/* ===== BORDERS ===== */
.border { border: 1px solid var(--border-default); }
.border-top { border-top: 1px solid var(--border-default); }
.border-bottom { border-bottom: 1px solid var(--border-default); }
.border-subtle { border: 1px solid var(--border-subtle); }
.rounded { border-radius: var(--radius-md); }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

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

/* ===== BACKGROUNDS ===== */
.bg-base { background-color: var(--bg-base); }
.bg-surface { background-color: var(--bg-surface); }
.bg-elevated { background-color: var(--bg-elevated); }
.bg-primary { background: var(--gradient-primary); color: var(--text-on-primary); }
.bg-accent { background: var(--gradient-accent); color: var(--text-on-primary); }
.bg-primary-light { background-color: var(--color-primary-light); }
.bg-transparent { background-color: transparent; }

/* ===== COMPONENTS: BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: 600;
  line-height: 1.5;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
}
.btn:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}
.btn:disabled, .btn.disabled {
  opacity: 0.5;
  pointer-events: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-on-primary);
  border-color: transparent;
}
.btn-primary:hover {
  filter: brightness(1.1);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-accent {
  background: var(--gradient-accent);
  color: var(--text-on-primary);
  border-color: transparent;
}
.btn-accent:hover {
  filter: brightness(1.1);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-default);
}
.btn-secondary:hover {
  background: var(--bg-elevated);
  border-color: var(--border-strong);
}

.btn-outline-primary {
  background: transparent;
  color: var(--color-primary-text);
  border-color: var(--color-primary);
}
.btn-outline-primary:hover {
  background: var(--color-primary-light);
}

.btn-ghost {
  background: transparent;
  color: var(--color-primary-text);
  border-color: transparent;
  padding: var(--space-2) var(--space-3);
}
.btn-ghost:hover {
  background: var(--color-primary-light);
}

.btn-danger {
  background: var(--color-danger);
  color: #FFFFFF;
}
.btn-danger:hover {
  filter: brightness(1.1);
}

.btn-sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--fs-xs);
  border-radius: var(--radius-sm);
}
.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--fs-base);
  border-radius: var(--radius-lg);
}
.btn-full { width: 100%; }
.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
}
.btn-icon-sm {
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: var(--radius-sm);
}

/* ===== COMPONENTS: FORMS ===== */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-primary);
}

.form-control {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--fs-base);
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}
.form-control::placeholder {
  color: var(--text-muted);
}
.form-control:hover {
  border-color: var(--border-strong);
}
.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}
.form-control.is-invalid {
  border-color: var(--color-danger);
}
.form-control.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(193, 74, 57, 0.15);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

.form-select {
  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 fill='%236B6B73' d='M6 8.825L1.175 4 2.238 2.938 6 6.7l3.763-3.763L10.825 4z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-9);
}

.form-check {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}
.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
}
.form-check-label {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  cursor: pointer;
}

.input-group {
  position: relative;
  display: flex;
  align-items: center;
}
.input-group .form-control {
  padding-right: var(--space-9);
}
.input-group-append {
  position: absolute;
  right: var(--space-3);
  display: flex;
  align-items: center;
}

.form-text {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  margin-top: var(--space-1);
}
.invalid-feedback {
  font-size: var(--fs-xs);
  color: var(--color-danger);
  margin-top: var(--space-1);
}

/* ===== COMPONENTS: CUSTOM MULTISELECT ===== */
.custom-multiselect {
  position: relative;
}
.multiselect-trigger {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  text-align: left;
  min-height: 46px;
  flex-wrap: wrap;
}
.multiselect-trigger[aria-expanded="true"] {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}
.multiselect-placeholder {
  color: var(--text-muted);
  flex: 1;
}
.multiselect-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  flex: 1;
}
.multiselect-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px var(--space-2) 2px var(--space-1);
  background: var(--color-primary-light);
  color: var(--color-primary-text);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 500;
  line-height: 1.6;
  white-space: nowrap;
}
.multiselect-tag svg {
  flex-shrink: 0;
}
.multiselect-tag-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: var(--radius-full);
  cursor: pointer;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--color-primary-text);
  opacity: 0.6;
  transition: opacity var(--duration-fast) var(--ease-out);
}
.multiselect-tag-remove:hover {
  opacity: 1;
}
.multiselect-chevron {
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform var(--duration-fast) var(--ease-out);
  margin-left: auto;
}
.multiselect-trigger[aria-expanded="true"] .multiselect-chevron {
  transform: rotate(180deg);
}
.multiselect-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + var(--space-1));
  left: 0;
  right: 0;
  z-index: var(--z-dropdown);
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-1);
  max-height: 260px;
  overflow-y: auto;
  list-style: none;
}
.multiselect-dropdown.open {
  display: block;
}
.multiselect-dropdown li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--fs-sm);
  color: var(--text-primary);
  transition: background var(--duration-fast) var(--ease-out);
  user-select: none;
}
.multiselect-dropdown li:hover {
  background: var(--color-primary-light);
}
.multiselect-dropdown li[aria-selected="true"] {
  background: var(--color-primary-light);
  font-weight: 500;
}
.multiselect-check {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-default);
  border-radius: 4px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-fast) var(--ease-out);
}
li[aria-selected="true"] .multiselect-check {
  background: var(--color-primary);
  border-color: var(--color-primary);
}
li[aria-selected="true"] .multiselect-check::after {
  content: '';
  width: 10px;
  height: 6px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg) translateY(-1px);
}
.multiselect-flag {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

/* ===== COMPONENTS: CARDS ===== */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--duration-normal) var(--ease-out),
              border-color var(--duration-normal) var(--ease-out),
              transform var(--duration-normal) var(--ease-out);
}
.card-hover:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--border-default);
  transform: translateY(-2px);
}
.card-body {
  padding: var(--space-6);
}
.card-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border-subtle);
}
.card-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-subtle);
}

/* ===== COMPONENTS: BADGE ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--fs-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  line-height: 1.4;
}
.badge-primary {
  background: var(--color-primary-light);
  color: var(--color-primary-text);
}
.badge-accent {
  background: var(--color-accent-light);
  color: var(--color-accent-text);
}
.badge-success {
  background: rgba(61, 139, 94, 0.12);
  color: var(--color-success);
}
.badge-warning {
  background: rgba(196, 146, 58, 0.12);
  color: var(--color-warning);
}
.badge-danger {
  background: rgba(193, 74, 57, 0.12);
  color: var(--color-danger);
}

/* ===== COMPONENTS: NAVBAR ===== */
.navbar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  background: var(--bg-overlay);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  transition: padding var(--duration-normal) var(--ease-out),
              background var(--duration-normal) var(--ease-out);
}
.navbar.scrolled {
  padding-block: var(--space-3);
}
.navbar-brand {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.nav-link {
  padding: var(--space-2) var(--space-3);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--duration-fast) var(--ease-out),
              background var(--duration-fast) var(--ease-out);
  text-decoration: none;
}
.nav-link:hover {
  color: var(--text-primary);
  background: var(--color-primary-light);
}
.nav-link.active {
  color: var(--color-primary-text);
  background: var(--color-primary-light);
}
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
}
@media (max-width: 767px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    justify-content: center;
    gap: var(--space-2);
    background: var(--bg-base);
    z-index: var(--z-overlay);
    padding: var(--space-8);
  }
  .nav-links.open {
    display: flex;
  }
  .nav-link {
    font-size: var(--fs-lg);
    padding: var(--space-3) var(--space-4);
  }
  .nav-toggle {
    display: flex;
  }
}

/* ===== COMPONENTS: AVATAR ===== */
.avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-on-primary);
  font-weight: 600;
  font-size: var(--fs-sm);
  flex-shrink: 0;
}
.avatar-sm { width: 32px; height: 32px; font-size: var(--fs-xs); }
.avatar-lg { width: 56px; height: 56px; font-size: var(--fs-lg); }
.avatar-xl { width: 80px; height: 80px; font-size: var(--fs-xl); }

/* ===== COMPONENTS: STAT CARD ===== */
.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.stat-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-text);
}
.stat-value {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}
.stat-label {
  font-size: var(--fs-sm);
  color: var(--text-muted);
}
.stat-change {
  font-size: var(--fs-xs);
  font-weight: 600;
}
.stat-change.positive { color: var(--color-success); }
.stat-change.negative { color: var(--color-danger); }

/* ===== COMPONENTS: DIVIDER ===== */
.divider {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--text-muted);
  font-size: var(--fs-sm);
}
.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-default);
}

/* ===== COMPONENTS: TABLE ===== */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-sm);
}
.table th {
  text-align: left;
  font-weight: 600;
  color: var(--text-muted);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-default);
}
.table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
}
.table tr:last-child td {
  border-bottom: none;
}
.table-hover tr:hover td {
  background: var(--color-primary-light);
}

/* ===== COMPONENTS: LIST GROUP ===== */
.list-group {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.list-group-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--duration-fast) var(--ease-out);
}
.list-group-item:last-child {
  border-bottom: none;
}
.list-group-item:hover {
  background: var(--bg-surface);
}

/* ===== COMPONENTS: SECTION ===== */
.section {
  padding-block: var(--space-11);
}
.section-sm {
  padding-block: var(--space-9);
}
.section-header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--space-9);
}
.section-header h2 {
  margin-bottom: var(--space-3);
}
.section-header p {
  color: var(--text-secondary);
  font-size: var(--fs-lg);
  max-inline-size: none;
}

/* ===== COMPONENTS: FOOTER ===== */
.footer {
  padding: var(--space-11) var(--space-5) var(--space-6);
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-surface);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-8);
}
@media (max-width: 767px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }
}
@media (max-width: 575px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}
.footer-brand p {
  color: var(--text-secondary);
  font-size: var(--fs-sm);
  margin-top: var(--space-3);
}
.footer-heading {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.footer-links a {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  transition: color var(--duration-fast) var(--ease-out);
}
.footer-links a:hover {
  color: var(--color-primary-text);
}
.footer-bottom {
  margin-top: var(--space-9);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-subtle);
  text-align: center;
  font-size: var(--fs-xs);
  color: var(--text-muted);
}

/* ===== THEME PICKER ===== */
.theme-picker {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-theme-picker);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--bg-elevated);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
}
.theme-swatch {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-spring),
              border-color var(--duration-fast) var(--ease-out);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}
.theme-swatch:hover {
  transform: scale(1.15);
}
.theme-swatch.active {
  border-color: var(--text-primary);
}
.theme-swatch span {
  width: 16px;
  height: 16px;
  border-radius: var(--radius-full);
  display: block;
}
.theme-picker-divider {
  width: 1px;
  height: 20px;
  background: var(--border-default);
  margin-inline: var(--space-1);
}
.mode-toggle {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  transition: color var(--duration-fast) var(--ease-out),
              background var(--duration-fast) var(--ease-out);
  padding: 0;
}
.mode-toggle:hover {
  color: var(--text-primary);
  background: var(--color-primary-light);
}
.mode-toggle .icon-sun,
.mode-toggle .icon-moon {
  width: 18px;
  height: 18px;
}
[data-mode="light"] .mode-toggle .icon-moon,
[data-mode="dark"] .mode-toggle .icon-sun {
  display: none;
}
[data-mode="light"] .mode-toggle .icon-sun,
[data-mode="dark"] .mode-toggle .icon-moon {
  display: block;
}

/* ===== ANIMATION HELPERS ===== */
.animate-section,
.animate-stagger > * {
  opacity: 0;
  transform: translateY(24px);
}
.animate-section.revealed,
.animate-stagger > .revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ===== SKIP LINK (Accessibility) ===== */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-3) var(--space-5);
  background: var(--color-primary);
  color: var(--text-on-primary);
  border-radius: var(--radius-md);
  z-index: 9999;
  font-weight: 600;
}
.skip-link:focus {
  top: var(--space-4);
}

/* ===== UTILITY ===== */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.img-fluid { max-width: 100%; height: auto; }
.cursor-pointer { cursor: pointer; }
.no-select { user-select: none; }
.transition-all { transition: all var(--duration-normal) var(--ease-out); }
/* ===== Login Page Styles ===== */

.login-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
}

/* Brand panel (left side) */
.login-brand {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--space-8);
  background: var(--gradient-primary);
  color: var(--text-on-primary);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.login-brand-logo {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-5);
}
.login-brand h1 {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
  color: var(--text-on-primary);
}
.login-brand p {
  font-size: var(--fs-lg);
  opacity: 0.85;
  max-width: 320px;
}
/* Decorative shapes */
.login-brand-deco {
  position: absolute;
  border-radius: var(--radius-full);
  opacity: 0.1;
  background: #fff;
}
.login-brand-deco-1 {
  width: 300px;
  height: 300px;
  top: -80px;
  right: -80px;
}
.login-brand-deco-2 {
  width: 200px;
  height: 200px;
  bottom: -40px;
  left: -60px;
}
.login-brand-deco-3 {
  width: 120px;
  height: 120px;
  bottom: 20%;
  right: 10%;
}

/* Form panel (right side) */
.login-form-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  background: var(--bg-base);
}
.login-card {
  width: 100%;
  max-width: 420px;
}
.login-card > h2 {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-2);
}
.login-card > p {
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
}

/* Login form spacing */
.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.login-form .form-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.login-form .form-row a {
  font-size: var(--fs-sm);
  color: var(--color-primary-text);
  font-weight: 500;
}
.login-form .form-row a:hover {
  text-decoration: underline;
}

/* Social login buttons */
.social-login {
  display: flex;
  gap: var(--space-3);
}
.social-login .btn {
  flex: 1;
}
.social-login .btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Footer link */
.login-footer {
  text-align: center;
  font-size: var(--fs-sm);
  color: var(--text-muted);
  margin-top: var(--space-6);
}
.login-footer a {
  color: var(--color-primary-text);
  font-weight: 600;
}
.login-footer a:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 1023px) {
  .login-layout {
    grid-template-columns: 2fr 3fr;
  }
}
@media (max-width: 767px) {
  .login-layout {
    grid-template-columns: 1fr;
  }
  .login-brand {
    padding: var(--space-8) var(--space-5);
    min-height: auto;
  }
  .login-brand h1 {
    font-size: var(--fs-xl);
  }
  .login-brand p {
    font-size: var(--fs-base);
  }
  .login-form-panel {
    padding: var(--space-5);
  }
  .social-login {
    flex-direction: column;
  }
}
/* ===== Dashboard Page Styles ===== */

.dashboard-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: calc(100vh - 65px);
}

/* Sidebar */
.dashboard-sidebar {
  background: var(--bg-surface);
  border-right: 1px solid var(--border-subtle);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  position: sticky;
  top: 65px;
  height: calc(100vh - 65px);
  overflow-y: auto;
}
.sidebar-heading {
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: var(--space-3) var(--space-3) var(--space-2);
}
.sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--duration-fast) var(--ease-out);
}
.sidebar-link:hover {
  color: var(--text-primary);
  background: var(--color-primary-light);
}
.sidebar-link.active {
  color: var(--color-primary-text);
  background: var(--color-primary-light);
  font-weight: 600;
}
.sidebar-link svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Main content */
.dashboard-main {
  padding: var(--space-6);
  overflow-x: hidden;
}

/* Dashboard header */
.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
  gap: var(--space-4);
}
.dashboard-header h1 {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-1);
}
.dashboard-header p {
  color: var(--text-secondary);
  font-size: var(--fs-sm);
}
.dashboard-header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Stat cards grid */
.stat-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}

/* Charts grid */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}
.chart-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}
.chart-card h3 {
  font-size: var(--fs-base);
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}
.chart-card canvas {
  width: 100% !important;
  height: 240px !important;
}

/* Activity list */
.activity-section h3 {
  font-size: var(--fs-base);
  font-weight: 600;
  margin-bottom: var(--space-4);
}
.activity-list {
  display: flex;
  flex-direction: column;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.activity-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--duration-fast) var(--ease-out);
}
.activity-item:last-child {
  border-bottom: none;
}
.activity-item:hover {
  background: var(--bg-elevated);
}
.activity-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: var(--fs-lg);
}
.activity-icon.activity-run { background: rgba(var(--color-primary-rgb), 0.12); color: var(--color-primary-text); }
.activity-icon.activity-sleep { background: var(--color-accent-light); color: var(--color-accent-text); }
.activity-icon.activity-food { background: rgba(196, 146, 58, 0.12); color: var(--color-warning); }
.activity-icon.activity-heart { background: rgba(193, 74, 57, 0.12); color: var(--color-danger); }
.activity-icon.activity-mind { background: rgba(59, 130, 184, 0.12); color: var(--color-info); }
.activity-info {
  flex: 1;
  min-width: 0;
}
.activity-name {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-primary);
}
.activity-detail {
  font-size: var(--fs-xs);
  color: var(--text-muted);
}
.activity-time {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  white-space: nowrap;
}

/* Responsive */
@media (max-width: 1279px) {
  .stat-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 1023px) {
  .charts-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 767px) {
  .dashboard-layout {
    grid-template-columns: 1fr;
  }
  .dashboard-sidebar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    top: auto;
    height: auto;
    flex-direction: row;
    overflow-x: auto;
    overflow-y: hidden;
    padding: var(--space-2) var(--space-3);
    gap: var(--space-1);
    border-right: none;
    border-top: 1px solid var(--border-subtle);
    z-index: var(--z-sticky);
    background: var(--bg-overlay);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
  .sidebar-heading {
    display: none;
  }
  .sidebar-link {
    flex-direction: column;
    font-size: var(--fs-xs);
    padding: var(--space-2);
    gap: var(--space-1);
    min-width: 60px;
    text-align: center;
  }
  .sidebar-link svg {
    width: 20px;
    height: 20px;
  }
  .dashboard-main {
    padding: var(--space-4);
    padding-bottom: calc(var(--space-11) + var(--space-4));
  }
  .stat-cards {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }
}
@media (max-width: 575px) {
  .stat-cards {
    grid-template-columns: 1fr;
  }
}

/* Health Gauges */
.health-gauges {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.health-gauge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--bg-surface);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  flex: 1;
}
.health-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-muted);
  flex-shrink: 0;
}
.health-indicator[data-status="healthy"] {
  background: var(--color-success, #22c55e);
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.4);
}
.health-indicator[data-status="unhealthy"] {
  background: var(--color-danger);
  box-shadow: 0 0 8px rgba(193, 74, 57, 0.4);
}
.health-indicator[data-status="unknown"] {
  background: var(--color-warning);
}
.health-label {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.875rem;
}
.health-status {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--text-secondary);
}