.institution-auth {
    --auth-accent: #6366f1;
    --auth-accent-hover: #4f46e5;
    --auth-accent-light: rgba(99, 102, 241, 0.14);
    --auth-text: #1e293b;
    --auth-muted: #64748b;
    --auth-border: #e2e8f0;
    --auth-radius: 16px;
    min-height: 100vh;
    margin: 0;
    background:
        linear-gradient(145deg, rgba(30, 27, 75, 0.78), rgba(15, 118, 110, 0.55)),
        url("../images/kisomo_images/JAGWSN8F2S.webp") center center / cover no-repeat fixed;
    color: var(--auth-text);
}

.institution-auth-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.institution-auth-card {
    width: 100%;
    max-width: 440px;
    border: 0;
    border-radius: var(--auth-radius);
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.28);
    overflow: hidden;
    background: #fff;
}

.institution-auth-body {
    padding: 2rem 1.75rem 1.5rem;
}

.institution-auth-logo {
    display: block;
    max-width: 158px;
    height: auto;
    margin: 0 auto 1.25rem;
}

.institution-auth-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 0.85rem;
    border-radius: 14px;
    background: var(--auth-accent-light);
    color: var(--auth-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
}

.institution-auth-title {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0 0 0.35rem;
    color: var(--auth-text);
}

.institution-auth-copy {
    color: var(--auth-muted);
    font-size: 0.92rem;
    margin-bottom: 1.35rem;
}

.institution-auth-copy strong {
    color: var(--auth-text);
}

.institution-auth .form-label {
    font-weight: 600;
    font-size: 0.85rem;
    color: #334155;
    margin-bottom: 0.4rem;
}

.institution-auth-field {
    position: relative;
    margin-bottom: 1rem;
}

.institution-auth-field .institution-auth-field-icon {
    position: absolute;
    left: 0.9rem;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    pointer-events: none;
}

.institution-auth-field .form-control {
    border: 1px solid var(--auth-border);
    border-radius: 10px;
    padding: 0.7rem 0.9rem 0.7rem 2.4rem;
    min-height: 48px;
    background: #f8fafc;
}

.institution-auth-field .form-control:focus {
    background: #fff;
    border-color: var(--auth-accent);
    box-shadow: 0 0 0 3px var(--auth-accent-light);
}

.institution-auth-otp .form-control {
    padding-left: 0.9rem;
    letter-spacing: 0.35em;
    font-size: 1.35rem;
    font-weight: 700;
}

.institution-auth .btn-primary {
    background: linear-gradient(135deg, var(--auth-accent) 0%, var(--auth-accent-hover) 100%);
    border: 0;
    border-radius: 10px;
    font-weight: 600;
    min-height: 46px;
    padding: 0.6rem 1.1rem;
}

.institution-auth .btn-primary:hover {
    background: var(--auth-accent-hover);
}

.institution-auth-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-top: 0.35rem;
    margin-bottom: 0.25rem;
}

.institution-auth-actions .btn {
    min-width: 132px;
}

.institution-auth-link {
    color: var(--auth-accent);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
}

.institution-auth-link:hover {
    color: var(--auth-accent-hover);
    text-decoration: underline;
}

.institution-auth-footer {
    background: #f8fafc;
    border-top: 1px solid var(--auth-border);
    padding: 0.9rem 1.25rem 1.1rem;
    text-align: center;
}

.institution-auth-footer a {
    color: var(--auth-muted);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    margin: 0 0.55rem;
}

.institution-auth-footer a:hover {
    color: var(--auth-accent);
}

.institution-auth .alert {
    border: 0;
    border-radius: 10px;
}

@media (max-width: 575.98px) {
    .institution-auth-body {
        padding: 1.5rem 1.15rem 1.25rem;
    }

    .institution-auth-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .institution-auth-actions .btn {
        width: 100%;
    }
}