.account-settings-page {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
}

.account-settings-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 24px;
}

.account-settings-eyebrow {
    display: block;
    margin-bottom: 6px;
    font-size: 12px;
    font-weight: 700;
    color: #1c67b2;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.account-settings-header h1 {
    margin: 0;
    font-size: 30px;
    font-weight: 700;
    line-height: 1.2;
    color: #172337;
    letter-spacing: -0.6px;
}

.account-settings-header p {
    margin: 8px 0 0;
    color: #667085;
}

.account-security-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    font-size: 13px;
    font-weight: 600;
    color: #175c93;
    background: #edf6ff;
    border: 1px solid #d1e7f8;
    border-radius: 10px;
}

    .account-security-badge svg {
        width: 18px;
        height: 18px;
    }

.account-settings-shell {
    display: grid;
    grid-template-columns: 250px minmax(0, 1fr);
    overflow: hidden;
    background: #ffffff;
    border: 1px solid #e4eaf1;
    border-radius: 16px;
    box-shadow: 0 18px 45px rgba(20, 40, 70, 0.07);
}

.account-settings-sidebar {
    min-width: 0;
    padding: 22px 16px;
    background: #f8fafc;
    border-right: 1px solid #e5eaf1;
}

.account-settings-user {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 4px 8px 20px;
    margin-bottom: 12px;
    border-bottom: 1px solid #e2e8f0;
}

.account-settings-avatar {
    display: flex;
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    font-weight: 700;
    color: #ffffff;
    background: linear-gradient( 135deg, #1e6db5, #164d82 );
    border-radius: 50%;
}

.account-settings-user-text {
    min-width: 0;
}

    .account-settings-user-text strong {
        display: block;
        overflow: hidden;
        font-size: 13px;
        color: #24364b;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .account-settings-user-text span {
        display: block;
        margin-top: 3px;
        font-size: 11px;
        color: #7a899b;
    }

.account-settings-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

    .account-settings-nav a {
        display: flex;
        align-items: center;
        gap: 11px;
        min-height: 44px;
        padding: 10px 12px;
        font-size: 13px;
        font-weight: 500;
        color: #4b5d72;
        text-decoration: none;
        border-radius: 9px;
        transition: background 150ms ease, color 150ms ease;
    }

        .account-settings-nav a svg {
            width: 18px;
            height: 18px;
            flex: 0 0 18px;
        }

        .account-settings-nav a:hover {
            color: #174f82;
            background: #edf4fb;
        }

        .account-settings-nav a.active {
            color: #ffffff;
            font-weight: 600;
            background: linear-gradient( 135deg, #1e6db5, #164d82 );
            box-shadow: 0 7px 16px rgba(27, 96, 157, 0.18);
        }

.account-settings-content {
    min-width: 0;
    padding: 32px;
}

.account-settings-content > h3 {
    margin: 0 0 22px;
    font-size: 23px;
    font-weight: 700;
    letter-spacing: -.25px;
}

.account-settings-content > .row {
    margin-right: 0;
    margin-left: 0;
}

.account-settings-content > .row > [class*="col-"] {
    width: 100%;
    max-width: 620px;
    padding-right: 0;
    padding-left: 0;
}

.account-settings-content form {
    width: 100%;
    max-width: 620px;
}

.account-settings-content .form-floating {
    margin-bottom: 14px;
}

.account-settings-content .form-control:focus {
    border-color: #4b93d1;
    box-shadow: 0 0 0 3px rgba(30, 109, 181, .12);
}

.account-settings-content .btn-primary {
    min-height: 44px;
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 600;
    background: linear-gradient(135deg, #1e6db5, #16568f);
    border: 0;
    border-radius: 9px;
    box-shadow: 0 8px 18px rgba(27, 96, 157, .18);
}

.account-settings-content .btn-primary:hover {
    background: linear-gradient(135deg, #195f9f, #124876);
}

.account-settings-content .alert {
    max-width: 620px;
    border-radius: 10px;
}

    .account-settings-content > h1,
    .account-settings-content > h2,
    .account-settings-content > h3 {
        margin-top: 0;
        color: #172337;
    }

    .account-settings-content .form-control {
        min-height: 50px;
        border-radius: 9px;
    }

@media (max-width: 850px) {
    .account-settings-header {
        flex-direction: column;
    }

    .account-settings-shell {
        grid-template-columns: 1fr;
    }

    .account-settings-sidebar {
        border-right: 0;
        border-bottom: 1px solid #e5eaf1;
    }

    .account-settings-nav {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 576px) {
    .account-settings-header h1 {
        font-size: 25px;
    }

    .account-settings-content {
        padding: 22px 18px;
    }

    .account-settings-nav {
        grid-template-columns: 1fr;
    }
}