:root {
  --bg-cream: #f8f3e8;
  --bg-blue: #e4eef2;
  --ink: #1b2832;
  --muted: #5f6f7b;
  --line: #d2dde4;
  --surface: #ffffff;
  --surface-alt: #f4f8fa;
  --accent: #0d766e;
  --accent-strong: #0a5b56;
  --danger: #b42318;
  --success: #0f7a38;
  --radius: 14px;
  --shadow: 0 18px 38px -26px rgba(17, 34, 53, 0.5);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  color: var(--ink);
  font-family: "Avenir Next", "Trebuchet MS", "Gill Sans", "Segoe UI Variable", sans-serif;
  background:
    radial-gradient(1200px 520px at -15% -20%, #fff2cc 0%, transparent 62%),
    radial-gradient(1000px 500px at 110% -10%, #d7ebf2 0%, transparent 58%),
    linear-gradient(180deg, var(--bg-cream), var(--bg-blue));
}

.page {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 2.2rem 1.1rem 2rem;
}

.page.narrow {
  width: min(560px, 100%);
}

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 1.1rem 1.2rem;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.top-nav a {
  text-decoration: none;
  color: var(--ink);
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 999px;
  padding: 0.42rem 0.82rem;
  font-weight: 600;
}

.top-nav a:hover {
  border-color: var(--accent);
}

.spacer {
  flex: 1 1 auto;
}

.inline-form {
  margin: 0;
}

h1,
h2 {
  margin-top: 0;
}

h1 {
  margin-bottom: 0.5rem;
}

h2 {
  margin-bottom: 0.65rem;
}

.muted {
  color: var(--muted);
}

.meta {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-alt);
  padding: 0.26rem 0.62rem;
  font-size: 0.88rem;
}

.sign-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.2rem;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  background: #e5f5f3;
  border: 1px solid #c4e9e5;
  color: #084f49;
  font-weight: 700;
  letter-spacing: 0.06em;
  font-size: 0.8rem;
}

.auth-card {
  padding: 1.3rem 1.2rem;
}

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

label {
  font-size: 0.92rem;
  color: var(--muted);
}

input[type="email"],
input[type="password"],
input[type="text"] {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.6rem 0.65rem;
  background: #ffffff;
  color: var(--ink);
  font: inherit;
}

input[type="email"]:focus,
input[type="password"]:focus,
input[type="text"]:focus {
  outline: 2px solid #9ed7d1;
  border-color: var(--accent);
  outline-offset: 0;
}

.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

button {
  font: inherit;
}

.btn {
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 0.5rem 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--accent-strong);
}

.btn-ghost {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--line);
}

.btn-ghost:hover {
  border-color: var(--accent);
}

.flash {
  margin: 0 0 0.9rem;
  padding: 0.56rem 0.68rem;
  border-radius: 10px;
  border: 1px solid;
}

.flash.success {
  color: #095d2d;
  border-color: #b8dfc5;
  background: #eaf8ef;
}

.flash.error {
  color: #7f1d1d;
  border-color: #f2c2c2;
  background: #fff1f1;
}

.stack {
  display: grid;
  gap: 1rem;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
}

th,
td {
  padding: 0.56rem 0.52rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
  vertical-align: middle;
}

th {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: #f6fbfc;
}

.status {
  font-weight: 600;
}

.status.yes {
  color: var(--success);
}

.status.no {
  color: #8b4f00;
}

code {
  border: 1px solid var(--line);
  background: #f8fbfc;
  border-radius: 8px;
  padding: 0.1rem 0.36rem;
}

.error-page {
  text-align: center;
  padding-top: 12vh;
}

@media (max-width: 740px) {
  .page {
    padding-top: 1.3rem;
  }

  .top-nav a,
  .btn {
    width: auto;
  }
}