:root {
    --portal-ink: #123047;
    --portal-muted: #5d7486;
    --portal-accent: #0f766e;
    --portal-accent-soft: rgba(15, 118, 110, 0.14);
    --portal-surface: rgba(255, 255, 255, 0.9);
    --portal-border: rgba(18, 48, 71, 0.1);
    --portal-shadow: 0 24px 70px rgba(11, 37, 54, 0.16);
}

body {
    overflow-x: hidden;
}

.fixed-background::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at top left, rgba(255, 255, 255, 0.22), transparent 34%),
        radial-gradient(circle at bottom right, rgba(255, 255, 255, 0.16), transparent 28%);
}

.portal-brand {
    min-height: 100vh;
    padding: 3rem clamp(1.5rem, 4vw, 4rem);
    display: flex;
    align-items: center;
}

.portal-brand__panel,
.portal-login {
    animation: portal-fade-up 0.8s ease both;
}

.portal-brand__panel {
    max-width: 42rem;
    color: #fff;
}

.portal-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.9rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    backdrop-filter: blur(14px);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 1.25rem;
}

.portal-brand__title {
    font-size: clamp(2.4rem, 5vw, 4.7rem);
    line-height: 0.98;
    letter-spacing: -0.04em;
    margin-bottom: 1rem;
    color: #fff;
}

.portal-brand__title span {
    display: block;
    font-size: clamp(1.15rem, 2vw, 1.6rem);
    letter-spacing: 0;
    opacity: 0.84;
    margin-top: 0.85rem;
}

.portal-brand__description {
    max-width: 34rem;
    font-size: 1rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.86);
    margin-bottom: 1.75rem;
}

.portal-brand__meta {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.portal-brand__stat {
    padding: 1rem 1.1rem;
    border-radius: 1.25rem;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.14);
    backdrop-filter: blur(16px);
    box-shadow: 0 20px 50px rgba(5, 24, 38, 0.14);
}

.portal-brand__stat-label {
    display: block;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.68);
    margin-bottom: 0.4rem;
}

.portal-brand__stat-value {
    font-size: 0.98rem;
    line-height: 1.5;
    color: #fff;
}

.portal-sponsor {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    padding: 0.8rem 1rem;
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.14);
    backdrop-filter: blur(16px);
}

.portal-sponsor img {
    max-height: 1.75rem;
    width: auto;
}

.portal-brand__footer {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.92rem;
}

.portal-login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    position: relative;
}

.portal-login-wrap::before,
.portal-login-wrap::after {
    content: "";
    position: absolute;
    border-radius: 999px;
    filter: blur(4px);
    animation: portal-float 8s ease-in-out infinite;
}

.portal-login-wrap::before {
    width: 12rem;
    height: 12rem;
    background: rgba(51, 195, 168, 0.16);
    top: 10%;
    right: 8%;
}

.portal-login-wrap::after {
    width: 8rem;
    height: 8rem;
    background: rgba(255, 184, 77, 0.18);
    bottom: 14%;
    left: 8%;
    animation-delay: -2.5s;
}

.portal-login {
    width: min(100%, 27rem);
    position: relative;
    padding: 2rem 1.75rem 1.5rem;
    border-radius: 1.75rem;
    background: var(--portal-surface);
    border: 1px solid rgba(255, 255, 255, 0.55);
    box-shadow: var(--portal-shadow);
    backdrop-filter: blur(18px);
}

.portal-login__top {
    text-align: center;
    margin-bottom: 1.5rem;
}

.portal-login__logo {
    width: 4.5rem;
    height: 4.5rem;
    object-fit: contain;
    margin-bottom: 1rem;
    animation: portal-float 7s ease-in-out infinite;
}

.portal-login__title {
    color: var(--portal-ink);
    font-size: 1.85rem;
    margin-bottom: 0.45rem;
}

.portal-login__subtitle {
    color: var(--portal-muted);
    line-height: 1.65;
    margin-bottom: 0;
}

.portal-form .form-group {
    position: relative;
    margin-bottom: 0.9rem;
}

.portal-form .form-control {
    min-height: 3.15rem;
    border-radius: 1rem;
    padding-left: 3rem;
    padding-right: 1rem;
    border: 1px solid var(--portal-border);
    background: rgba(247, 250, 252, 0.95);
    box-shadow: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.portal-form .form-control:focus {
    border-color: rgba(15, 118, 110, 0.45);
    box-shadow: 0 0 0 0.25rem rgba(15, 118, 110, 0.12);
    transform: translateY(-1px);
}

.portal-form .form-group > i,
.portal-password-toggle {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: #7a8e9d;
}

.portal-form .form-group > i {
    left: 1rem;
}

.portal-password-toggle {
    right: 0.9rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border: 0;
    background: transparent;
    border-radius: 50%;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.portal-password-toggle:hover {
    background: rgba(15, 118, 110, 0.08);
    color: var(--portal-accent);
}

.portal-alert {
    border-radius: 1rem;
    padding: 0.85rem 1rem;
    background: rgba(220, 53, 69, 0.08);
    border: 1px solid rgba(220, 53, 69, 0.14);
    color: #b42333;
    margin: 1rem 0;
    font-size: 0.92rem;
}

.portal-submit {
    min-height: 3.15rem;
    border-radius: 1rem;
    background: linear-gradient(135deg, #0f766e, #149989);
    border: 0;
    box-shadow: 0 18px 40px rgba(15, 118, 110, 0.24);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.portal-submit:hover,
.portal-submit:focus {
    transform: translateY(-1px);
    box-shadow: 0 22px 44px rgba(15, 118, 110, 0.28);
}

.portal-login__footnote {
    margin-top: 1.15rem;
    text-align: center;
    color: var(--portal-muted);
    font-size: 0.88rem;
    line-height: 1.7;
}

.portal-login__footnote a {
    color: var(--portal-accent);
    font-weight: 700;
    text-decoration: none;
}

@keyframes portal-fade-up {
    from {
        opacity: 0;
        transform: translateY(18px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes portal-float {
    0%,
    100% {
        transform: translate3d(0, 0, 0);
    }

    50% {
        transform: translate3d(0, -10px, 0);
    }
}

@media (max-width: 991.98px) {
    .portal-brand {
        display: none;
    }

    .portal-login-wrap {
        min-height: 100vh;
        padding: 1rem 1rem 1.5rem;
    }

    .portal-login {
        width: min(100%, 31rem);
        padding: 1.6rem 1.15rem 1.3rem;
        border-radius: 1.4rem;
    }
}

@media (max-width: 767.98px) {
    .portal-brand {
        display: none;
    }

    .portal-login-wrap {
        min-height: 100vh;
        padding: 1rem;
    }

    .portal-login-wrap::before {
        width: 8rem;
        height: 8rem;
        top: 4%;
        right: -1rem;
    }

    .portal-login-wrap::after {
        width: 6rem;
        height: 6rem;
        bottom: 8%;
        left: -1rem;
    }

    .portal-login {
        width: 100%;
        padding: 1.35rem 1rem 1.15rem;
        border-radius: 1.2rem;
    }

    .portal-login__logo {
        width: 3.8rem;
        height: 3.8rem;
        margin-bottom: 0.75rem;
    }

    .portal-login__title {
        font-size: 1.55rem;
    }

    .portal-login__subtitle {
        font-size: 0.94rem;
        line-height: 1.55;
    }

    .portal-form .form-control,
    .portal-submit {
        min-height: 3rem;
    }
}