* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: -apple-system, Segoe UI, Roboto, sans-serif;
    background: #0f1420;
    color: #e8ebf1;
}
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: #161d2e;
    border-bottom: 1px solid #263049;
}
.navbar .brand {
    font-weight: 700;
    font-size: 1.25rem;
    color: #6ea8ff;
    text-decoration: none;
}
.navbar nav a {
    color: #e8ebf1;
    margin-left: 1.5rem;
    text-decoration: none;
}
.navbar nav a:hover { color: #6ea8ff; }

main { max-width: 960px; margin: 0 auto; padding: 2rem; }

.hero { text-align: center; padding: 3rem 1rem; }
.hero h1 { font-size: 2.5rem; margin-bottom: 0.25rem; color: #6ea8ff; }
.hero .subtitle { font-size: 1.1rem; color: #a7b0c4; }
.cta {
    display: inline-block;
    margin-top: 1.5rem;
    padding: 0.75rem 1.5rem;
    background: #6ea8ff;
    color: #0f1420;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}
.card {
    background: #161d2e;
    border: 1px solid #263049;
    border-radius: 8px;
    padding: 1.25rem;
}
.card code {
    background: #0f1420;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
}

.login-box {
    max-width: 360px;
    margin: 3rem auto;
    background: #161d2e;
    border: 1px solid #263049;
    border-radius: 8px;
    padding: 2rem;
}
.login-box form {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.login-box input {
    padding: 0.5rem;
    border-radius: 4px;
    border: 1px solid #263049;
    background: #0f1420;
    color: #e8ebf1;
}
.login-box button {
    margin-top: 1rem;
    padding: 0.6rem;
    background: #6ea8ff;
    color: #0f1420;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
}
.login-box .error { color: #ff6e6e; }
.login-box .hint { font-size: 0.85rem; color: #a7b0c4; margin-top: 1rem; }

table { width: 100%; border-collapse: collapse; margin-top: 1rem; }
th, td { text-align: left; padding: 0.6rem; border-bottom: 1px solid #263049; }

footer {
    text-align: center;
    padding: 1.5rem;
    color: #6b7488;
    font-size: 0.85rem;
}