:root {
  --bg: #f2f0ea;
  --bg-deep: #e8e2d6;
  --ink: #1f1f1f;
  --muted: #5c5c5c;
  --accent: #0f4c5c;
  --accent-light: #1f7a8c;
  --card: #ffffff;
  --border: rgba(31, 31, 31, 0.12);
  --shadow: 0 20px 40px rgba(31, 31, 31, 0.15);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Avenir Next", "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at top, var(--bg), var(--bg-deep));
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3 {
  font-family: "Iowan Old Style", "Baskerville", "STSong", "Noto Serif SC", serif;
  margin: 0 0 0.6rem;
}

p {
  margin: 0 0 1rem;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(960px, 90vw);
  margin: 0 auto;
}

.nav {
  position: sticky;
  top: 0;
  background: rgba(242, 240, 234, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.brand {
  font-weight: 600;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.nav-links a, .nav-links button {
  font-size: 0.95rem;
}

.primary {
  background: var(--accent);
  color: white;
  border: none;
  padding: 0.65rem 1.2rem;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}

.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(15, 76, 92, 0.2);
}

.ghost {
  background: transparent;
  border: 1px solid var(--border);
  padding: 0.6rem 1.1rem;
  border-radius: 999px;
  cursor: pointer;
}

.hero {
  display: grid;
  gap: 2rem;
  padding: 3rem 0 2rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 6vw, 3.4rem);
}

.lead {
  font-size: 1.1rem;
  color: var(--muted);
}

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

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.75rem;
  color: var(--accent-light);
  margin-bottom: 0.5rem;
}

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

.hero-card {
  display: flex;
  justify-content: center;
}

.card {
  background: var(--card);
  padding: 1.6rem;
  border-radius: 1.2rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.card ul {
  padding-left: 1.1rem;
  margin: 0;
}

.grid {
  display: grid;
  gap: 1rem;
  padding: 1rem 0 3rem;
}

.panel {
  background: rgba(255, 255, 255, 0.8);
  border-radius: 1rem;
  padding: 1.2rem;
  border: 1px solid var(--border);
}

.auth {
  display: flex;
  justify-content: center;
  padding: 3rem 0 4rem;
}

.auth-card {
  width: min(420px, 92vw);
}

.form {
  display: grid;
  gap: 1rem;
  margin-top: 1.2rem;
}

label {
  display: grid;
  gap: 0.4rem;
  font-size: 0.95rem;
}

input {
  padding: 0.7rem 0.9rem;
  border-radius: 0.8rem;
  border: 1px solid var(--border);
  font-size: 1rem;
}

.hint {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.error {
  color: #b00020;
  font-size: 0.9rem;
}

.success {
  color: #0a7a42;
  font-size: 0.9rem;
}

.profile {
  padding: 3rem 0 4rem;
  display: flex;
  justify-content: center;
}

.profile-card {
  width: min(520px, 92vw);
  display: grid;
  gap: 1rem;
}

.admin-card {
  width: min(900px, 92vw);
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.admin-list {
  display: grid;
  gap: 1.5rem;
}

.admin-user {
  border-top: 1px solid var(--border);
  padding-top: 1.2rem;
}

.admin-user:first-of-type {
  border-top: none;
  padding-top: 0;
}

.admin-user-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.8rem;
}

.tag {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--accent-light);
}

.perm-group {
  border: 1px solid var(--border);
  border-radius: 0.8rem;
  padding: 0.8rem 1rem 1rem;
  margin-bottom: 0.8rem;
}

.perm-group legend {
  padding: 0 0.4rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.perm-list {
  display: grid;
  gap: 0.6rem;
  margin-top: 0.6rem;
}

.perm-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.6rem;
  align-items: start;
}

.perm-item input {
  margin-top: 0.15rem;
}

.perm-text {
  display: grid;
  gap: 0.15rem;
}

.perm-path {
  font-size: 0.85rem;
  color: var(--muted);
}

.profile-row {
  display: flex;
  justify-content: space-between;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
}

.profile-row:last-of-type {
  border-bottom: none;
}

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

.footer {
  margin-top: auto;
  padding: 1.5rem 0 2rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
}

@media (min-width: 900px) {
  .hero {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }
  .grid {
    grid-template-columns: repeat(3, 1fr);
  }
}