:root {
  color-scheme: dark;
  --bg: #14110e;
  --ink: #f3ece3;
  --muted: #b5a89a;
  --line: rgba(243, 236, 227, 0.12);
  --card: #1d1915;
  --accent: #d36b3a;
  --accent-ink: #1a0e08;
  --danger: #f0b4a4;
  --danger-bg: rgba(176, 67, 48, 0.18);
  --focus: #f0c38a;
}

* {
  box-sizing: border-box;
}

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

body {
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(211, 107, 58, 0.16), transparent 50%),
    var(--bg);
  color: var(--ink);
}

.shell {
  width: min(720px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.5rem 0 4rem;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.mark {
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.82rem;
}

.session {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  color: var(--muted);
  font-family: "Segoe UI", sans-serif;
  font-size: 0.85rem;
}

.who {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 16rem;
}

.text-btn,
.btn {
  font: inherit;
}

.text-btn {
  border: 0;
  background: transparent;
  color: var(--ink);
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 0.18em;
  cursor: pointer;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: clamp(1.4rem, 4vw, 2.4rem);
}

.eyebrow {
  margin: 0 0 0.6rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.74rem;
  font-family: "Segoe UI", sans-serif;
}

h1 {
  margin: 0 0 0.8rem;
  font-size: clamp(1.8rem, 5vw, 2.5rem);
  line-height: 1.15;
}

.lede,
.hint,
label {
  font-family: "Segoe UI", sans-serif;
}

.lede {
  margin: 0 0 1.4rem;
  color: var(--muted);
  line-height: 1.55;
}

form {
  display: grid;
  gap: 0.7rem;
}

label {
  font-size: 0.85rem;
  color: var(--muted);
}

input[type="text"] {
  width: 100%;
  border: 1px solid var(--line);
  background: #120f0c;
  color: var(--ink);
  border-radius: 12px;
  padding: 0.85rem 0.9rem;
  font: 1rem/1.4 "Segoe UI", sans-serif;
}

input[type="text"]:focus {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: 0.7rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
  font-family: "Segoe UI", sans-serif;
  background: transparent;
  cursor: pointer;
  width: fit-content;
}

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

.btn.disabled {
  opacity: 0.45;
  pointer-events: none;
}

.btn:focus-visible,
.text-btn:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.hint {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.hint a {
  color: var(--ink);
}

.banner {
  padding: 0.75rem 0.85rem;
  border-radius: 12px;
  margin: 0 0 1rem;
  font-family: "Segoe UI", sans-serif;
}

.banner.error {
  background: var(--danger-bg);
  color: var(--danger);
}

@media (max-width: 640px) {
  .who {
    display: none;
  }
}