*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: #f5f6fa;
    color: #333;
    height: 100vh;
}

/* Login */
.login-container {
    max-width: 380px;
    margin: 12vh auto;
    padding: 2rem;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}
.login-container h1 {
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    text-align: center;
}
.login-container label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
}
.login-container input {
    width: 100%;
    padding: 0.6rem;
    margin-bottom: 1rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 0.95rem;
}
.login-container button {
    width: 100%;
    padding: 0.7rem;
    background: #4f46e5;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
}
.login-container button:hover { background: #4338ca; }
.error {
    background: #fef2f2;
    color: #b91c1c;
    padding: 0.6rem;
    border-radius: 4px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

/* Dashboard */
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.6rem 1.5rem;
    background: #1e1b4b;
    color: #fff;
}
.brand { font-weight: 700; font-size: 1.05rem; }
.user-info { font-size: 0.85rem; }
.logout-link {
    color: #c7d2fe;
    margin-left: 1rem;
    text-decoration: none;
}
.logout-link:hover { color: #fff; }
.dashboard {
    height: calc(100vh - 48px);
}
.dashboard iframe {
    display: block;
    border: none;
}