* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    background: #0f1220;
    color: #eaeaf2;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: #171a2b;
    border-bottom: 1px solid #2a2e45;
}

.navbar .brand {
    font-weight: bold;
    font-size: 1.3rem;
    color: #7c9dff;
    text-decoration: none;
}

.navbar nav a {
    color: #eaeaf2;
    margin-left: 1rem;
    text-decoration: none;
}

.navbar nav a:hover {
    color: #7c9dff;
}

.welcome {
    margin-left: 1rem;
    color: #9aa0c3;
}

main {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.hero {
    text-align: center;
    padding: 2rem 0;
}

.hero h1 {
    font-size: 2.5rem;
    color: #7c9dff;
    margin-bottom: 0.3rem;
}

.tagline {
    font-size: 1.2rem;
    color: #cfd2e8;
}

.dates {
    color: #9aa0c3;
}

.description, .api-links {
    background: #171a2b;
    border-radius: 8px;
    padding: 1.5rem;
    margin-top: 1.5rem;
}

.api-links ul {
    list-style: none;
    padding: 0;
}

.api-links li {
    margin: 0.5rem 0;
}

.api-links a {
    color: #7c9dff;
}

.login-form {
    max-width: 360px;
    margin: 2rem auto;
    background: #171a2b;
    padding: 2rem;
    border-radius: 8px;
}

.login-form label {
    display: block;
    margin-top: 1rem;
    margin-bottom: 0.3rem;
}

.login-form input {
    width: 100%;
    padding: 0.5rem;
    border-radius: 4px;
    border: 1px solid #2a2e45;
    background: #0f1220;
    color: #eaeaf2;
}

.login-form button {
    margin-top: 1.5rem;
    width: 100%;
    padding: 0.6rem;
    background: #7c9dff;
    border: none;
    border-radius: 4px;
    color: #0f1220;
    font-weight: bold;
    cursor: pointer;
}

.hint {
    color: #9aa0c3;
    font-size: 0.9rem;
}

.flash-container {
    margin-bottom: 1rem;
}

.flash {
    padding: 0.75rem 1rem;
    border-radius: 6px;
    margin-bottom: 0.5rem;
}

.flash-success {
    background: #1e3a2f;
    color: #7fdca4;
}

.flash-error {
    background: #3a1e1e;
    color: #ff8f8f;
}

footer {
    text-align: center;
    padding: 1.5rem;
    color: #6a6f8f;
    font-size: 0.85rem;
}