:root {
  --bg: #e8f0ff;
  --bg-accent: #cfe0ff;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-strong: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --line: rgba(15, 23, 42, 0.12);
  --primary: #0f766e;
  --danger: #b91c1c;
  --shadow: 0 18px 60px rgba(15, 23, 42, 0.14);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(15, 118, 110, 0.14), transparent 28rem),
    radial-gradient(circle at bottom right, rgba(59, 130, 246, 0.18), transparent 22rem),
    linear-gradient(180deg, var(--bg), #f8fbff);
}

button,
input {
  font: inherit;
}

.shell {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1rem 0 2rem;
}

.topbar,
.layout {
  display: grid;
  gap: 1rem;
}

.topbar {
  align-items: center;
  grid-template-columns: 1fr auto;
  padding: 0.5rem 0;
}

.eyebrow,
.hero-kicker,
.status-label,
.help {
  margin: 0;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

h1,
h2,
p {
  margin: 0;
}

.layout {
  grid-template-columns: 1fr;
}

.hero,
.panel {
  background: var(--surface);
  backdrop-filter: blur(14px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero {
  padding: clamp(1.25rem, 5vw, 3rem);
  display: grid;
  gap: 1rem;
}

.hero h2 {
  font-size: clamp(2rem, 6vw, 4.5rem);
  line-height: 0.92;
  max-width: 10ch;
}

.hero-copy {
  color: var(--muted);
  max-width: 42ch;
  font-size: 1.03rem;
}

.status-card {
  display: grid;
  gap: 0.4rem;
  padding: 1rem;
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.1), rgba(255, 255, 255, 0.95));
  border: 1px solid rgba(15, 118, 110, 0.16);
  border-radius: 18px;
}

.panel {
  padding: 1rem;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.tab,
.primary,
.ghost {
  border-radius: 999px;
  padding: 0.8rem 1rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 120ms ease, background 120ms ease;
}

.tab,
.ghost {
  background: #fff;
  border-color: var(--line);
  color: var(--text);
}

.tab.is-active,
.primary {
  background: var(--primary);
  color: #fff;
}

.primary:hover,
.tab:hover,
.ghost:hover {
  transform: translateY(-1px);
}

.view,
.auth-form {
  display: grid;
  gap: 0.9rem;
}

.auth-form {
  padding: 0.5rem 0 0;
}

.field {
  display: grid;
  gap: 0.45rem;
}

.field label {
  font-weight: 600;
}

.field input {
  width: 100%;
  padding: 0.95rem 1rem;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--surface-strong);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.feedback {
  min-height: 1.5rem;
  color: var(--muted);
}

.feedback.error {
  color: var(--danger);
}

.hidden {
  display: none;
}

.card {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.84);
}

.list-row {
  display: grid;
  gap: 0.25rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 920px) {
  .layout {
    grid-template-columns: minmax(320px, 42%) 1fr;
    align-items: start;
  }

  .panel {
    padding: 1.25rem 1.25rem 1.5rem;
  }
}