body {
    min-height: 100vh;
    margin: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    background: linear-gradient(120deg, #e0f7fa 0%, #e8f5e9 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 24px #1976d222;
    max-width: 400px;
    width: 90vw;
    margin: 2em auto;
    padding: 2.5em 2em 2em 2em;
    text-align: center;
}

h2 {
    color: #2e7d4f;
    font-size: 2em;
    margin-bottom: 1.5em;
    font-weight: 700;
    letter-spacing: 1px;
}

label {
    display: block;
    margin-bottom: 0.5em;
    color: #234;
    font-size: 1.08em;
    text-align: left;
}

input[type="email"] {
    width: 100%;
    padding: 0.7em 1em;
    border: 1px solid #bdbdbd;
    border-radius: 7px;
    font-size: 1em;
    margin-bottom: 1.2em;
    background: #f9f9f9;
    transition: border 0.2s;
}
input[type="email"]:focus {
    border-color: #2e7d4f;
    outline: none;
}

button[type="submit"] {
    background: #2e7d4f;
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 0.9em 2.2em;
    font-size: 1.1em;
    font-weight: 600;
    cursor: pointer;
    margin-top: 0.5em;
    box-shadow: 0 2px 8px #1976d222;
    transition: background 0.2s, box-shadow 0.2s;
}
button[type="submit"]:hover {
    background: #234d32;
    box-shadow: 0 4px 16px #1976d244;
}

.message {
    margin-bottom: 1.2em;
    font-size: 1.05em;
    color: #388e3c;
    background: #e8f5e9;
    border-radius: 5px;
    padding: 0.7em 1em;
    border-left: 4px solid #388e3c;
}
.message:empty {
    display: none;
}

a {
    color: #1976d2;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}
a:hover {
    color: #1565c0;
    text-decoration: underline;
}

@media (max-width: 500px) {
    .container {
        padding: 1.2em 0.5em 1.5em 0.5em;
        max-width: 98vw;
    }
    h2 {
        font-size: 1.3em;
    }
    button[type="submit"] {
        width: 100%;
        padding: 1em 0;
        font-size: 1em;
    }
    label {
        font-size: 1em;
    }
}

#quick-menu {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 1000;
}
#quick-menu-toggle {
    background: #1976d2;
    border: none;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
    box-shadow: 0 2px 8px #1976d222;
    transition: background 0.2s;
}
#quick-menu-toggle:hover {
    background: #1565c0;
}
#quick-menu-toggle span {
    display: block;
    width: 26px;
    height: 4px;
    background: #fff;
    border-radius: 2px;
    transition: 0.2s;
}
#quick-menu-content {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 58px;
    right: 0;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 24px #1976d244;
    padding: 0.7em 1em;
    gap: 10px;
    min-width: 120px;
    animation: fadeInMenu 0.2s;
}
@keyframes fadeInMenu {
    from { opacity: 0; transform: translateY(-10px);}
    to { opacity: 1; transform: translateY(0);}
}
#quick-menu-content button {
    background: #1976d2;
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 0.7em 1em;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    margin: 0;
    width: 100%;
    text-align: left;
}
#quick-menu-content button:hover {
    background: #1565c0;
}
@media (max-width: 600px) {
    #quick-menu {
        top: 12px;
        right: 12px;
    }
    #quick-menu-toggle {
        width: 40px;
        height: 40px;
    }
    #quick-menu-toggle span {
        width: 20px;
        height: 3px;
    }
    #quick-menu-content {
        min-width: 90px;
        padding: 0.5em 0.5em;
    }
}