:root {
  --bg-top: #1a2f2a;
  --bg-bottom: #0e1a17;
  --surface: rgba(244, 247, 245, 0.94);
  --ink: #14201c;
  --muted: #4a5c55;
  --accent: #1f7a5c;
  --accent-hover: #186349;
  --line: #c5d4cd;
  --ok: #1f7a5c;
  --err: #a33b2b;
  --radius: 10px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;
}

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

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(ellipse 80% 50% at 20% 0%, rgba(61, 140, 110, 0.35), transparent 55%),
    radial-gradient(ellipse 60% 40% at 90% 10%, rgba(180, 140, 70, 0.18), transparent 50%),
    linear-gradient(165deg, var(--bg-top), var(--bg-bottom));
}

.page {
  width: min(28rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: 4.5rem 0 3rem;
}

.brand-name {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #f2f7f4;
}

.brand h1 {
  margin: 0 0 0.5rem;
  font-family: var(--font-body);
  font-size: 1.15rem;
  font-weight: 600;
  color: #d7e6df;
}

.lede {
  margin: 0 0 1.75rem;
  color: #a8bfb5;
  line-height: 1.45;
}

.auth-panel {
  display: grid;
  gap: 0.85rem;
  justify-items: start;
  margin-bottom: 1.25rem;
  padding: 1.1rem 1.15rem;
  background: rgba(244, 247, 245, 0.1);
  border: 1px solid rgba(244, 247, 245, 0.16);
  border-radius: var(--radius);
}

.auth-hint {
  margin: 0;
  color: #d7e6df;
  font-weight: 600;
}

.google-button {
  min-height: 40px;
}

.session {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  margin-bottom: 1rem;
  padding: 0.75rem 0.9rem;
  background: rgba(244, 247, 245, 0.1);
  border-radius: 8px;
  color: #d7e6df;
  font-size: 0.95rem;
}

.session p {
  margin: 0;
}

.session strong {
  color: #f2f7f4;
  font-weight: 600;
}

.link-button {
  padding: 0;
  border: 0;
  background: none;
  color: #9fd6bd;
  font: inherit;
  font-weight: 600;
  text-decoration: underline;
  cursor: pointer;
}

.link-button:hover {
  color: #c5ebd8;
}

.form {
  display: grid;
  gap: 1rem;
  padding: 1.35rem 1.25rem 1.4rem;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.22);
}

.form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--muted);
}

.form input,
.form textarea {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form input:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(31, 122, 92, 0.18);
}

.form textarea {
  resize: vertical;
  min-height: 6rem;
}

.form button {
  margin-top: 0.25rem;
  padding: 0.8rem 1rem;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.15s ease;
}

.form button:hover:not(:disabled) {
  background: var(--accent-hover);
}

.form button:active:not(:disabled) {
  transform: translateY(1px);
}

.form button:disabled {
  opacity: 0.65;
  cursor: wait;
}

.status {
  margin: 1rem 0 0;
  padding: 0.75rem 0.9rem;
  border-radius: 8px;
  background: rgba(244, 247, 245, 0.12);
  color: #d7e6df;
  font-size: 0.95rem;
  line-height: 1.4;
}

.status.is-ok {
  color: #9fd6bd;
}

.status.is-err {
  color: #f0b4ab;
}

@media (prefers-reduced-motion: reduce) {
  .form input,
  .form textarea,
  .form button {
    transition: none;
  }
}