:root {
  --bg: #0b1220;
  --card: #0f1a33;
  --card2: #0b142a;
  --text: #eaf0ff;
  --muted: rgba(234, 240, 255, 0.7);
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  --accent: #4ea1ff;
  --accent2: #6cffc1;
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 20% 20%, rgba(78, 161, 255, 0.25), transparent 60%),
    radial-gradient(900px 600px at 70% 30%, rgba(108, 255, 193, 0.18), transparent 55%),
    linear-gradient(180deg, var(--bg), #070b14);
  color: var(--text);
}

.page {
  min-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px 18px;
}

.card {
  width: min(520px, 100%);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  backdrop-filter: blur(12px);
}

.header {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 22px 22px 18px 22px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(15, 26, 51, 0.7), rgba(11, 20, 42, 0.25));
}

.logo {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 800;
  color: #07101f;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 10px 28px rgba(78, 161, 255, 0.25);
}

.titles h1 {
  margin: 0;
  font-size: 18px;
  letter-spacing: -0.02em;
}

.subtitle {
  margin: 4px 0 0 0;
  font-size: 13px;
  color: var(--muted);
}

.content {
  padding: 18px 22px 22px 22px;
  background: linear-gradient(180deg, rgba(11, 20, 42, 0.2), rgba(15, 26, 51, 0.25));
}

.error {
  background: rgba(255, 63, 91, 0.12);
  border: 1px solid rgba(255, 63, 91, 0.25);
  color: #ffd5dc;
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 13px;
  margin-bottom: 12px;
}

.fineprint {
  margin-top: 14px;
  font-size: 12px;
  color: var(--muted);
}

/* FirebaseUI tweaks (keep minimal to avoid breaking updates) */
.firebaseui-container {
  background: transparent;
  box-shadow: none;
  border: none;
  max-width: 100%;
}

.firebaseui-card-content {
  padding: 0 !important;
}

.firebaseui-idp-button,
.firebaseui-button {
  border-radius: 12px !important;
}

.firebaseui-title {
  display: none; /* We provide our own title */
}