html, body {
    margin: 0 !important;
    min-height: 100%;
}
body {
    background: #f7f8fc;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Arial, sans-serif;
}
.scpl-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    box-sizing: border-box;
    background:
        radial-gradient(circle at 15% 15%, rgba(109, 76, 255, .10), transparent 32%),
        radial-gradient(circle at 85% 85%, rgba(109, 76, 255, .08), transparent 30%),
        #f7f8fc;
}
.scpl-card {
    width: min(430px, 100%);
    box-sizing: border-box;
    background: #fff;
    border: 1px solid #e8e9f0;
    border-radius: 22px;
    padding: 42px;
    box-shadow: 0 20px 60px rgba(25, 25, 50, .10);
}
.scpl-mark {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #6840e8;
    color: #fff;
    font-weight: 800;
    font-size: 21px;
    margin-bottom: 15px;
}
.scpl-brand {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -.4px;
    color: #171827;
}
.scpl-brand span { color: #6840e8; }
.scpl-card h1 {
    margin: 30px 0 8px;
    font-size: 31px;
    line-height: 1.15;
    color: #151621;
}
.scpl-sub {
    margin: 0 0 28px;
    color: #6c6e7c;
    font-size: 15px;
    line-height: 1.5;
}
.scpl-form label {
    display: block;
    margin: 17px 0 8px;
    color: #292b38;
    font-size: 13px;
    font-weight: 700;
}
.scpl-form input[type=text],
.scpl-form input[type=password] {
    width: 100%;
    height: 50px;
    box-sizing: border-box;
    border: 1px solid #dfe1ea;
    border-radius: 11px;
    padding: 0 14px;
    font-size: 15px;
    outline: none;
    background: #fff;
}
.scpl-form input:focus {
    border-color: #6840e8;
    box-shadow: 0 0 0 3px rgba(104,64,232,.10);
}
.scpl-check {
    display: flex !important;
    align-items: center;
    gap: 8px;
    margin: 16px 0 20px !important;
    font-weight: 500 !important;
    color: #626573 !important;
}
.scpl-check input { width: 16px; height: 16px; }
.scpl-button {
    display: flex;
    width: 100%;
    min-height: 50px;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    border: 0;
    border-radius: 11px;
    background: #6840e8;
    color: #fff !important;
    text-decoration: none !important;
    font-size: 15px;
    font-weight: 750;
    cursor: pointer;
    transition: transform .15s ease, box-shadow .15s ease;
}
.scpl-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 9px 22px rgba(104,64,232,.22);
}
.scpl-alert {
    border-radius: 10px;
    padding: 11px 13px;
    font-size: 13px;
    margin-bottom: 16px;
}
.scpl-error {
    background: #fff0f0;
    color: #9e2631;
    border: 1px solid #ffd5d8;
}
.scpl-message {
    background: #f1efff;
    color: #5031b2;
    border: 1px solid #ddd6ff;
}
.scpl-footer {
    text-align: center;
    margin-top: 20px;
}
.scpl-footer a {
    color: #6840e8;
    font-size: 13px;
    font-weight: 650;
    text-decoration: none;
}
.scpl-powered {
    text-align: center;
    color: #a0a2ae;
    font-size: 11px;
    margin-top: 30px;
}
@media (max-width: 520px) {
    .scpl-card { padding: 30px 24px; border-radius: 18px; }
    .scpl-card h1 { font-size: 27px; }
}