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

html {
  margin: 0;
  padding: 0;
  color-scheme: light;
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: clip;
  background: var(--gradient-hero);
  color: var(--ink-800);
  font: 500 var(--t-base)/1.55 var(--font-sans);
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(to bottom, color-mix(in oklab, var(--surface) 55%, transparent), transparent 18rem),
    linear-gradient(to right, color-mix(in oklab, var(--primary-100) 16%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in oklab, var(--primary-100) 16%, transparent) 1px, transparent 1px);
  background-size: auto, 2rem 2rem, 2rem 2rem;
  opacity: 0.55;
}

img { max-width: 100%; display: block; }
a { color: var(--primary-700); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select, textarea {
  color-scheme: light;
  font: inherit;
}
button, select { -webkit-appearance: none; appearance: none; }
textarea { resize: vertical; }

:focus-visible {
  outline: none;
  box-shadow: var(--ring);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  border-radius: var(--r-pill);
  background: var(--surface);
}

.layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  min-height: 100vh;
  position: relative;
}

body.no-sidebar .layout,
body.route-auth .layout {
  grid-template-columns: minmax(0, 1fr);
}

.main {
  min-width: 0;
  padding: var(--s-8);
  position: relative;
  z-index: 1;
}

body.no-sidebar .main,
body.route-auth .main {
  width: min(100%, 90rem);
  margin-inline: auto;
}

.view-root {
  display: block;
}

.view-root > * {
  min-width: 0;
  animation: rise-in 360ms var(--ease);
}

.sidebar {
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
  min-height: 100vh;
  padding: var(--s-5);
  background: color-mix(in oklab, var(--surface) 88%, white);
  border-right: 1px solid color-mix(in oklab, var(--border) 78%, white);
  backdrop-filter: blur(18px);
  z-index: 30;
}

.sidebar-header,
.sidebar-section,
.sidebar-footer,
.sidebar-cta {
  border: 1px solid color-mix(in oklab, var(--border) 78%, white);
  background: color-mix(in oklab, var(--surface) 92%, white);
  border-radius: var(--r-xl);
}

.sidebar-header {
  padding: var(--s-4);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  color: var(--ink-950);
}

.brand:hover { text-decoration: none; }

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 1rem;
  background: var(--gradient-primary);
  box-shadow: inset 0 1px 0 color-mix(in oklab, white 65%, transparent);
}

.brand-lockup {
  display: grid;
}

.brand-name {
  font-size: var(--t-lg);
  font-weight: 800;
  line-height: 1.1;
}

.brand-tag {
  color: var(--ink-500);
  font-size: var(--t-xs);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.sidebar-cta {
  padding: var(--s-3);
}

.sidebar-section {
  padding: var(--s-4);
  flex: 1;
  overflow: auto;
}

.sidebar-label {
  margin-bottom: var(--s-3);
  color: var(--ink-500);
  font-size: var(--t-xs);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.sidebar-footer {
  padding: var(--s-3);
}

.sidebar-footer-row {
  display: grid;
  grid-template-columns: auto 1fr 1fr;
  gap: var(--s-2);
  margin-top: var(--s-3);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-3);
  border-radius: var(--r-lg);
  background: var(--surface-muted);
}

.sidebar-user-avatar {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: color-mix(in oklab, var(--primary-100) 78%, white);
  color: var(--primary-700);
  font-weight: 800;
}

.sidebar-user-name {
  font-weight: 700;
  color: var(--ink-950);
}

.sidebar-user-role {
  color: var(--ink-500);
  font-size: var(--t-sm);
}

.sidebar-apts,
.sidebar-apts-list {
  display: grid;
  gap: var(--s-2);
}

.sidebar-apt {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--s-3);
  padding: 0.9rem 1rem;
  border-radius: var(--r-lg);
  color: var(--ink-800);
  border: 1px solid transparent;
  transition: background 160ms var(--ease), border-color 160ms var(--ease), transform 160ms var(--ease);
}

.sidebar-apt:hover,
.sidebar-apt.active {
  background: color-mix(in oklab, var(--primary-100) 65%, white);
  border-color: color-mix(in oklab, var(--primary-500) 25%, white);
  text-decoration: none;
  transform: translateY(-1px);
}

.sidebar-apt-icon {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 0.8rem;
  background: var(--surface);
}

.sidebar-apt-name {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  font-weight: 700;
}

.sidebar-apt-sub,
.sidebar-apt-cost,
.sidebar-empty {
  color: var(--ink-500);
  font-size: var(--t-sm);
}

.sidebar-search,
.analytics-apt-select {
  width: 100%;
}

.mobile-bar {
  display: none;
  align-items: center;
  gap: var(--s-3);
  position: sticky;
  top: 0;
  z-index: 35;
  padding: 0.9rem 1rem;
  backdrop-filter: blur(20px);
  background: color-mix(in oklab, var(--surface) 82%, white);
  border-bottom: 1px solid color-mix(in oklab, var(--border) 78%, white);
}

.mobile-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-weight: 800;
  color: var(--ink-950);
}

.mobile-brand:hover { text-decoration: none; }
.mobile-spacer { flex: 1; }
.mobile-status-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--success-700);
  box-shadow: 0 0 0 0.35rem color-mix(in oklab, var(--success-100) 86%, transparent);
}

.sidebar-backdrop {
  position: fixed;
  inset: 0;
  background: color-mix(in oklab, var(--ink-950) 24%, transparent);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms var(--ease);
  z-index: 25;
}

.sidebar-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

body.no-sidebar .sidebar,
body.no-sidebar .mobile-bar,
body.no-sidebar .sidebar-backdrop,
body.route-auth .sidebar,
body.route-auth .mobile-bar,
body.route-auth .sidebar-backdrop {
  display: none !important;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--s-5);
  margin-bottom: var(--s-6);
}

.page-title {
  margin: 0;
  color: var(--ink-950);
  font-size: clamp(1.8rem, 4vw, var(--t-3xl));
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.page-subtitle {
  margin: 0.45rem 0 0;
  max-width: 48rem;
  color: var(--ink-600);
  font-size: var(--t-lg);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  margin-bottom: var(--s-4);
  font-weight: 700;
  word-break: break-word;
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--s-4);
}

.mt-1 { margin-top: var(--s-1); }
.mt-2 { margin-top: var(--s-2); }
.mt-3 { margin-top: var(--s-3); }
.mt-4 { margin-top: var(--s-4); }
.mt-5 { margin-top: var(--s-5); }
.mb-3 { margin-bottom: var(--s-3); }

.hide { display: none !important; }

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .mobile-bar {
    display: flex;
  }

  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: min(86vw, 22rem);
    max-width: calc(100vw - var(--s-4));
    transform: translateX(-100%);
    transition: transform 220ms var(--ease);
    box-shadow: var(--shadow-lg);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main {
    padding: var(--s-5);
  }

  body.no-sidebar .main,
  body.route-auth .main {
    width: 100%;
  }
}

@media (max-width: 720px) {
  .main {
    padding: var(--s-4);
  }

  .page-header,
  .form-grid {
    grid-template-columns: 1fr;
    display: grid;
  }

  .sidebar-footer-row {
    grid-template-columns: 1fr;
  }
}