:root {
  color-scheme: dark;
  --bg: #071422;
  --elev: #0c1d30;
  --text: #f4f7fb;
  --muted: #9bb0c7;
  --accent: #02bdfb;
  --accent-strong: #1ad0ff;
  --border: #1a3a58;
  --google-blue: #1a73e8;
  --google-blue-hover: #174ea6;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: radial-gradient(1200px 500px at 50% -10%, #0a3a5c 0%, var(--bg) 55%);
  color: var(--text);
  font: 16px/1.5 "Segoe UI", Arial, sans-serif;
}

.visually-hidden {
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

.top {
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 12px 20px;
  background: transparent;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.15rem;
}

.home-mode .brand span {
  display: none;
}

.brand img,
.home-logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
  background: #000;
  border-radius: 8px;
}

.home-logo {
  width: 128px;
  height: 128px;
}

.search-form {
  display: flex;
  flex: 1;
  gap: 8px;
  min-width: 200px;
  max-width: 720px;
}

.home-search {
  width: min(584px, 100%);
  max-width: 584px;
  margin-block-start: 24px;
}

.search-form input {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 12px 18px;
  background: var(--elev);
  color: var(--text);
  font: inherit;
}

.search-form input:focus {
  outline: 2px solid var(--accent);
  border-color: var(--accent);
}

.search-form button,
.pager a {
  border: 0;
  border-radius: 999px;
  padding: 10px 18px;
  background: var(--accent);
  color: #042033;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.search-form button:hover,
.pager a:hover {
  background: var(--accent-strong);
}

.account-slot {
  position: relative;
  margin-inline-start: auto;
}

.google-signin {
  border: 0;
  border-radius: 4px;
  padding: 9px 23px;
  background: var(--google-blue);
  color: #fff;
  font: 500 14px/1 "Segoe UI", Arial, sans-serif;
  letter-spacing: 0.25px;
  cursor: pointer;
  box-shadow: 0 1px 3px rgb(0 0 0 / 0.28);
}

.google-signin:hover {
  background: var(--google-blue-hover);
}

.avatar-button {
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 50%;
  background: #8ab4f8;
  color: #07233a;
  font: 700 16px/1 "Segoe UI", Arial, sans-serif;
  cursor: pointer;
}

.account-menu {
  position: absolute;
  inset-inline-end: 0;
  inset-block-start: calc(100% + 8px);
  z-index: 20;
  width: min(320px, calc(100vw - 32px));
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--elev);
  box-shadow: 0 8px 28px rgb(0 0 0 / 0.45);
}

.account-menu h2 {
  margin: 0 0 10px;
  font-size: 1rem;
}

.account-menu label {
  display: block;
  margin-block-start: 8px;
  font-size: 0.85rem;
  color: var(--muted);
}

.account-menu input {
  width: 100%;
  margin-block-start: 4px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  background: #071422;
  color: var(--text);
  font: inherit;
}

.auth-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-block-start: 12px;
}

.auth-actions button,
.signed-in button {
  border: 0;
  border-radius: 4px;
  padding: 9px 12px;
  background: var(--google-blue);
  color: #fff;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

#signup,
#header-logout {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.auth-status {
  margin: 0 0 8px;
  font-size: 0.9rem;
}

.auth-status.error {
  color: #ff8a8a;
}

.signed-in .email {
  margin: 0 0 12px;
  font-weight: 700;
  word-break: break-all;
}

main {
  flex: 1;
  width: min(760px, calc(100% - 48px));
  margin: 0 auto;
  padding: 32px 0 48px;
}

.home {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-block-start: 12vh;
}

.home h1 {
  margin: 16px 0 8px;
  font-size: 2.4rem;
}

.home p,
.status,
.snippet,
footer {
  color: var(--muted);
}

.hidden {
  display: none !important;
}

.results {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.result h2 {
  margin: 0 0 4px;
  font-size: 1.15rem;
}

.result a {
  color: var(--accent-strong);
  text-decoration: none;
}

.result a:hover {
  text-decoration: underline;
}

.result .url {
  color: #7dcea0;
  font-size: 0.85rem;
  word-break: break-all;
}

.result p {
  margin: 6px 0 0;
}

.pager {
  display: flex;
  gap: 12px;
  margin-block-start: 28px;
}

footer {
  padding: 16px;
  text-align: center;
  font-size: 0.85rem;
}