* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: Georgia, "Times New Roman", serif;
    color: #111;
    background:
        radial-gradient(circle at top, rgba(255,255,255,0.08), transparent 35%),
        linear-gradient(135deg, #2b2d34 0%, #494c55 48%, #14171d 100%);
}

.login-page {
    min-height: 100vh;
    display: grid;
    place-items: start center;
    padding: 44px 22px;
}

.login-shell {
    width: min(920px, 100%);
}

.login-brand {
    width: min(760px, 100%);
    height: 160px;
    margin: 0 auto 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.login-brand img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 12px 18px rgba(0,0,0,0.35));
}

.login-card {
    width: min(720px, 100%);
    margin: 0 auto;
    background: linear-gradient(180deg, #9a9da6, #7f838d);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 7px;
    padding: 28px 42px 42px;
    box-shadow: 0 12px 22px rgba(0,0,0,0.45);
}

.login-card h1 {
    margin: 0 0 22px;
    text-align: center;
    font-size: 30px;
    font-weight: 800;
}

.login-card p {
    margin: -12px 0 26px;
    text-align: center;
    font-family: Arial, Helvetica, sans-serif;
    color: #2a2d33;
    font-size: 13px;
    font-weight: 700;
}

.alert-error {
    width: min(470px, 100%);
    margin: 0 auto 18px;
    padding: 11px 14px;
    border-radius: 8px;
    background: #7f1d1d;
    color: #fee2e2;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 14px;
    text-align: center;
}

.login-form {
    width: min(540px, 100%);
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: 160px 1fr;
    align-items: center;
    gap: 12px;
    margin-bottom: 26px;
}

.form-row label {
    text-align: right;
    font-size: 28px;
    font-weight: 500;
}

.form-row input {
    width: 100%;
    height: 40px;
    border: 0;
    border-radius: 7px;
    background: #c5c8d1;
    color: #111827;
    font-size: 18px;
    padding: 8px 14px;
    outline: none;
    box-shadow:
        inset 0 1px 2px rgba(255,255,255,0.65),
        0 6px 13px rgba(0,0,0,0.35);
}

.form-row input:focus {
    background: #eef0f5;
    box-shadow:
        inset 0 1px 2px rgba(255,255,255,0.75),
        0 0 0 3px rgba(220,38,38,0.30),
        0 6px 13px rgba(0,0,0,0.35);
}

.login-form button {
    display: block;
    min-width: 140px;
    margin: 8px auto 0;
    border: 0;
    border-radius: 8px;
    background: #d71920;
    color: #fff;
    padding: 12px 28px;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 15px;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 8px 16px rgba(0,0,0,0.28);
}

.login-form button:hover {
    background: #b9151b;
}

@media (max-width: 700px) {
    .login-brand {
        height: 110px;
        margin-bottom: 20px;
    }

    .login-card {
        padding: 24px 20px 34px;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 8px;
        margin-bottom: 18px;
    }

    .form-row label {
        text-align: left;
        font-size: 18px;
    }

    .form-row input {
        height: 44px;
    }
}