/* Login page stylesheet */

body {
    font-family: 'Avenir Next', 'Segoe UI', 'Noto Sans JP', sans-serif;
    background:
        radial-gradient(circle at 12% 16%, rgba(246, 161, 0, 0.32), transparent 38%),
        radial-gradient(circle at 84% 8%, rgba(30, 41, 59, 0.24), transparent 38%),
        linear-gradient(160deg, #fff5db 0%, #ffd992 42%, #f7a93a 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-box {
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(6px);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 18px 40px rgba(88, 56, 4, 0.25);
    text-align: center;
}

.login-icon {
    width: 72px;
    height: 72px;
    margin-bottom: 0.75rem;
    object-fit: contain;
    filter: drop-shadow(0 8px 14px rgba(101, 64, 5, 0.25));
}

.login-box h1 {
    color: #ae6a00;
    margin-bottom: 1rem;
    font-size: 32px;
    letter-spacing: 0.03em;
}

.login-box p {
    color: #445063;
    margin-bottom: 2rem;
    font-size: 16px;
}

.microsoft-login-btn {
    display: inline-block;
    width: 100%;
    padding: 12px;
    margin-bottom: 1rem;
    border: none;
    border-radius: 999px;
    font-size: 16px;
    cursor: pointer;
    background: #0078D4;
    color: white;
    text-decoration: none;
    transition: all 0.3s;
}

.microsoft-login-btn:hover {
    background: #005A9E;
    box-shadow: 0 8px 16px rgba(0, 90, 158, 0.2);
    transform: translateY(-2px);
}

.error-message {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

@media (max-width: 480px) {
    .login-box {
        padding: 1.5rem;
    }

    .login-icon {
        width: 62px;
        height: 62px;
    }

    .login-box h1 {
        font-size: 24px;
    }
}