:root {
  --bg: #f5f7fb;
  --panel: #ffffff;
  --text: #1b1f2a;
  --muted: #4e5670;
  --primary: #0a6dff;
  --primary-strong: #0453cb;
  --danger: #c53030;
  --danger-bg: #fff1f1;
  --ok: #166534;
  --ok-bg: #eafbea;
  --border: #dde3ef;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(circle at top, #ecf3ff, var(--bg) 35%);
  color: var(--text);
  font-family: "Avenir Next", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  line-height: 1.6;
}

.container {
  width: min(1040px, 92vw);
  margin: 0 auto;
}

.header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 0;
}

.brand {
  font-weight: 800;
  text-decoration: none;
  color: var(--text);
}

nav a {
  margin-left: 1rem;
  color: var(--muted);
  text-decoration: none;
}

nav {
  display: flex;
  align-items: center;
}

.nav-org {
  margin-left: 1rem;
  font-size: 0.85rem;
  color: #334155;
  background: #eef4ff;
  border: 1px solid #d8e5ff;
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
}

.inline-form {
  margin: 0;
  margin-left: 0.7rem;
}

.nav-logout {
  border: 1px solid #fca5a5;
  background: #fff5f5;
  color: #991b1b;
  border-radius: 8px;
  padding: 0.36rem 0.65rem;
  cursor: pointer;
  font-size: 0.86rem;
}

main {
  padding: 2rem 0 3rem;
}

.hero {
  background: linear-gradient(120deg, #f8fbff 0%, #edf5ff 100%);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.2rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary-strong);
  font-size: 0.82rem;
  font-weight: 700;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.25;
}

.actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

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

.grid.two {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.grid.three {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.1rem;
}

.btn {
  display: inline-block;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.68rem 1rem;
  text-decoration: none;
  color: var(--text);
  background: #fff;
  cursor: pointer;
}

.btn.primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

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

.form {
  display: grid;
  gap: 0.9rem;
}

label {
  display: grid;
  gap: 0.35rem;
  font-weight: 600;
}

input,
select {
  border: 1px solid #ced6e4;
  border-radius: 10px;
  padding: 0.68rem 0.74rem;
  font-size: 1rem;
}

.page-head {
  margin-bottom: 1rem;
}

.alert {
  border-radius: 10px;
  padding: 0.8rem 1rem;
  margin-bottom: 1rem;
}

.alert.error {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid #fecaca;
}

.alert.success {
  background: var(--ok-bg);
  color: var(--ok);
  border: 1px solid #bbf7d0;
}

code {
  font-family: "SFMono-Regular", Consolas, Monaco, monospace;
  background: #eef2ff;
  padding: 0.12rem 0.34rem;
  border-radius: 5px;
}

.footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  color: var(--muted);
  background: #fff;
}

@media (max-width: 720px) {
  nav {
    display: none;
  }

  .hero {
    padding: 1.4rem;
  }
}