:root {
    --login-blue-deep: #005890;
    --login-blue: #106898;
    --login-teal: #48a0b8;
    --login-teal-soft: #eef9fb;
    --login-ink: #0d2f45;
    --login-muted: #557083;
    --login-border: #d8e8ee;
    --login-background: #f4f9fb;
}

* {
    box-sizing: border-box;
}

html,
body {
    height: 100%;
    margin: 0;
    width: 100%;
}

body {
    align-items: center;
    background: var(--login-background);
    color: var(--login-ink);
    display: flex;
    font-family: "Inter", "Segoe UI", Arial, sans-serif;
    justify-content: center;
    margin: 0;
}

.login-shell {
    height: 95vh;
    max-width: 1550px;
    width: 95%;
}

.login-page {
    background: #ffffff;
    border: 1px solid rgba(0, 88, 144, 0.12);
    border-radius: 14px;
    box-shadow: 0 20px 50px rgba(0, 88, 144, 0.12);
    display: grid;
    grid-template-columns: 40% 60%;
    grid-template-rows: minmax(0, 1fr) 56px;
    height: 100%;
    overflow: hidden;
}

.login-left,
.login-right {
    min-height: 0;
    overflow: hidden;
}

.login-left {
    background:
        linear-gradient(135deg, rgba(238, 249, 251, 0.94), rgba(0, 88, 144, 0.62)),
        url("/images/login-campus.jpeg") center/cover no-repeat;
    color: var(--login-ink);
    padding: 40px;
    position: relative;
}

.login-right {
    align-items: center;
    background: #ffffff;
    display: flex;
    justify-content: center;
    overflow: visible;
    padding: 10px;
}

.logo {
    height: auto;
    margin-bottom: 36px;
    width: 112px;
}

.brand-content {
    align-items: center;
    display: flex;
    flex-direction: column;
    max-width: 520px;
    text-align: center;
}

.brand-content h1,
.login-card h2 {
    font-size: 26px;
    font-weight: 800;
    letter-spacing: 0;
    margin: 0;
    text-align: center;
    text-transform: uppercase;
}

.brand-content h1 {
    color: var(--login-blue-deep);
    font-size: clamp(38px, 4vw, 58px);
    line-height: 1.05;
}

.brand-content p {
    color: var(--login-ink);
    font-size: 18px;
    line-height: 1.5;
    margin-top: 18px;
    max-width: 420px;
}

.system-card {
    align-items: center;
    background: rgba(0, 88, 144, 0.94);
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 14px;
    bottom: 32px;
    color: #ffffff;
    display: flex;
    gap: 18px;
    left: 56px;
    max-width: 430px;
    padding: 22px;
    position: absolute;
    right: 56px;
}

.system-card i {
    background: rgba(255, 255, 255, 0.16);
    border-radius: 50%;
    display: grid;
    font-size: 26px;
    height: 56px;
    place-items: center;
    width: 56px;
}

.system-card strong,
.system-card span {
    display: block;
}

.system-card span {
    display: none;
}

.login-card {
    border: 1px solid var(--login-border);
    border-radius: 18px;
    box-shadow: 0 20px 50px rgba(0, 88, 144, 0.12);
    max-width: 780px;
    padding: clamp(28px, 4vh, 56px) clamp(32px, 5vw, 72px);
}

.user-icon {
    background: var(--login-teal-soft);
    border: 1px solid var(--login-border);
    border-radius: 50%;
    color: var(--login-blue-deep);
    display: grid;
    font-size: 34px;
    height: 68px;
    margin: 0 auto 18px;
    place-items: center;
    width: 68px;
}

.login-card h2 {
    color: var(--login-blue-deep);
}

.login-card h3 {
    color: var(--login-teal);
    font-size: 17px;
    font-weight: 800;
    letter-spacing: 0;
    margin: 8px 0 0;
    text-align: center;
    text-transform: uppercase;
}

.divider,
.or-divider {
    align-items: center;
    color: #98a2b3;
    display: flex;
    margin: 18px 0;
}

.divider::before,
.divider::after,
.or-divider::before,
.or-divider::after {
    background: var(--login-border);
    content: "";
    flex: 1;
    height: 1px;
}

.divider span {
    background: var(--login-teal-soft);
    border: 1px solid var(--login-border);
    border-radius: 50%;
    color: var(--login-blue-deep);
    display: grid;
    height: 38px;
    margin: 0 18px;
    place-items: center;
    width: 38px;
}

.or-divider span {
    padding: 0 20px;
}

.input-group {
    align-items: center;
    border: 1px solid var(--login-border);
    border-radius: 10px;
    display: grid;
    grid-template-columns: 56px 1fr 48px;
    height: 48px;
    margin-bottom: 12px;
    overflow: hidden;
}

.input-group i {
    color: var(--login-blue-deep);
    font-size: 19px;
    text-align: center;
}

.login-options,
.input-group input {
    border: none;
    font-size: 16px;
    font-weight: 400;
    height: 100%;
    outline: none;
    width: 100%;
}

.login-options {
    color: var(--login-muted);
    display: flex;
    gap: 16px;
    justify-content: space-between;
    margin: 16px 0 20px;
}

.login-validation {
    color: #b42318;
    display: block;
    font-size: 13px;
    font-weight: 700;
    margin: -4px 0 10px;
}

.login-message {
    border-radius: 10px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 12px;
    padding: 10px 12px;
}

.login-message:empty {
    display: none;
}

.login-message--error,
.validation-summary-errors {
    background: #fef3f2;
    border: 1px solid #fecdca;
    color: #b42318;
}

.login-message--success {
    background: #ecfdf3;
    border: 1px solid #abefc6;
    color: #067647;
}

.validation-summary-errors ul {
    margin: 0;
    padding-left: 18px;
}

.login-options span {
    color: #98a2b3;
    font-weight: 700;
}

.login-options a {
    color: var(--login-blue-deep);
    font-weight: 700;
    text-decoration: none;
}

.login-btn,
.secondary-btn {
    border-radius: 10px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 800;
    height: 50px;
    width: 100%;
}

.login-btn {
    background: var(--login-blue-deep);
    border: none;
    color: #ffffff;
}

.login-btn:hover {
    background: var(--login-blue);
}

.secondary-btn {
    background: #ffffff;
    border: 1px solid var(--login-border);
    color: var(--login-blue-deep);
}

footer {
    align-items: center;
    background: rgba(255, 255, 255, 0.94);
    border-top: 1px solid var(--login-border);
    color: var(--login-muted);
    display: flex;
    grid-column: 1 / -1;
    height: 56px;
    justify-content: space-between;
    padding: 0 42px;
}

footer a {
    color: var(--login-blue-deep);
    font-weight: 800;
    text-decoration: none;
}

@media (max-width: 1000px) {
    html,
    body {
        overflow: auto;
    }

    .login-page {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
        height: auto;
        min-height: 100vh;
    }

    .login-left {
        padding: 32px 24px;
    }

    .logo {
        margin-bottom: 28px;
        width: 96px;
    }

    .system-card {
        margin-top: 32px;
        max-width: 100%;
        position: static;
    }

    footer {
        grid-column: auto;
    }
}

@media (max-height: 800px) and (min-width: 1001px) {
    .login-shell {
        height: calc(100vh - 32px);
    }

    .login-right {
        padding: 24px 48px;
    }

    .login-card {
        padding: 28px 48px;
        width: min(92%, 820px);
    }

    .user-icon {
        font-size: 30px;
        height: 58px;
        margin-bottom: 14px;
        width: 58px;
    }

    .divider,
    .or-divider {
        margin: 14px 0;
    }

    .input-group {
        height: 46px;
        margin-bottom: 10px;
    }

    .login-options {
        margin: 12px 0 16px;
    }

    .login-btn,
    .secondary-btn {
        height: 48px;
    }
}

@media (max-width: 600px) {
    .login-card {
        border-radius: 16px;
        padding: 32px 22px;
    }

    .login-card h2 {
        font-size: 24px;
    }

    .login-card h3 {
        font-size: 16px;
    }

    .login-options {
        flex-direction: column;
    }

    footer {
        flex-direction: column;
        gap: 10px;
        height: auto;
        padding: 18px 20px;
    }
}