:root {
  --fg: #202124;
  --muted: #5f6368;
  --bg: #fff;
  --ring: #1a73e8;
  --border: #dadce0;
  --panel: #f8f9fa;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #e8eaed;
    --muted: #9aa0a6;
    --bg: #121212;
    --ring: #8ab4f8;
    --border: #2f2f31;
    --panel: #1a1c1f;
  }
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.5 system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
}

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

a:hover {
  text-decoration: underline;
}

/* Layout: sidebar + content */
.app {
  display: grid;
  grid-template-columns: 0 1fr;
  transition: grid-template-columns 0.25s ease;
  min-height: 100vh;
}

.app.open {
  grid-template-columns: 280px 1fr;
}

.app.open .content {
  border-left: 1px solid var(--border);
}

/* Sidebar */
.sidebar {
  background: var(--panel);
  border-right: 1px solid var(--border);
  overflow: hidden;
}

.side-inner {
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 4px 12px;
  border-bottom: 1px dashed var(--border);
  margin-bottom: 6px;
}

.brand-row img {
  height: 24px;
  width: auto;
  display: block;
}

.brand-row strong {
  font-size: 16px;
}

.section-title {
  margin: 12px 6px 6px;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.navlist {
  list-style: none;
  padding: 0;
  margin: 0;
}

.navlist li a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 8px;
}

.navlist li a:hover {
  background: rgba(0, 0, 0, 0.04);
}

@media (prefers-color-scheme: dark) {
  .navlist li a:hover {
    background: rgba(255, 255, 255, 0.05);
  }
}

/* Top controls: hamburger + account (fixed) */
.toggle {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 60;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel);
  cursor: pointer;
}

.toggle:focus {
  outline: 3px solid color-mix(in oklab, var(--ring), transparent 70%);
  outline-offset: 2px;
}

.icon-burger,
.icon-close {
  font: 24px/1 monospace;
}

.icon-close {
  display: none;
}

.app.open .icon-burger {
  display: none;
}

.app.open .icon-close {
  display: inline;
}

/* Content (Google-like center) */
.content {
  display: grid;
  place-items: center;
  padding: 24px;
}

.col {
  width: min(90%, 560px);
  text-align: center;
}

.logo-row {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 64px 0 24px;
}

.logo-text {
  font-size: 48px;
  font-weight: 700;
  letter-spacing: 0.2px;
  line-height: 1;
}

.logo-row img {
  height: 3em;
  width: auto;
  display: block;
}

form {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}

.box {
  flex: 1;
  min-width: 280px;
  max-width: 560px;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  outline: 0;
  background: var(--bg);
  color: var(--fg);
}

.box:focus {
  border-color: var(--ring);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--ring), transparent 70%);
}

.btn {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #f8f9fa;
  color: var(--fg);
  cursor: pointer;
}

.btn:hover {
  background: #f1f3f4;
}

@media (prefers-color-scheme: dark) {
  .btn {
    background: #1a1c1f;
  }

  .btn:hover {
    background: #22252a;
  }
}

.links {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 13px;
}

footer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 10px 16px;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
  background: transparent;
}