body {
    background: linear-gradient(135deg, #e0e7ef 0%, #c9e7ff 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Segoe UI', 'Microsoft YaHei', Arial, sans-serif;
}
.glass-container {
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.18);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 40px 32px;
    min-width: 320px;
    max-width: 90vw;
    text-align: center;
}
.glass-container h1 {
    margin-bottom: 32px;
    color: #2b3a55;
    letter-spacing: 2px;
}
select, input[type="text"], input[type="password"], input[type="datetime-local"], input[type="file"], textarea {
    margin: 10px 0px;
    padding: 8px 10px;
    border-radius: 6px;
    border: none;
    margin-right: 8px;
    background: rgba(255,255,255,0.7);
    font-size: 16px;
    box-sizing: border-box;
}
button {
    margin: 10px 0px;
    padding: 10px 24px;
    border: none;
    border-radius: 8px;
    background: rgba(43, 58, 85, 0.85);
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.2s;
    box-sizing: border-box;
}
button:hover {
    background: #2b3a55;
}
#login-msg, #register-msg {
    color: #e74c3c;
    margin-top: 10px;
    min-height: 24px;
}
input.input-full {
    width: 100%;
    box-sizing: border-box;
    margin-bottom: 0;
}
.form-row { margin-bottom: 14px; }
@media (max-width: 700px) {
    .glass-container, .dashboard, .admin {
        min-width: unset !important;
        max-width: 100vw !important;
        width: 98vw !important;
        padding: 16px 2vw !important;
        border-radius: 0;
        margin: 0 auto !important;
    }
    table, th, td {
        font-size: 14px;
        padding: 6px 2px;
    }
    input, select, button, textarea {
        font-size: 15px !important;
        width: 100% !important;
        box-sizing: border-box;
    }
    h1, h2, h3, h4 {
        font-size: 1.1em;
    }
}