html {
    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Helvetica Neue", Arial, sans-serif;
}

input {
    font-family: "IBM Plex Mono", "Menlo", "Monaco", "Consolas", "Liberation Mono", "Courier New", monospace;
}

.mr-5 {
    margin-right: 20px;
}

.ml-5 {
    margin-left: 20px;
}

.mt-5 {
    margin-top: 20px;
}

.mb-5 {
    margin-bottom: 20px;
}

.mb-1 {
    margin-bottom: 4px;
}

.text-sm {
    font-size: 16px;
}

.text-xs {
    font-size: 12px;
}

.text-2374FF {
    color: #2374FF;
}

.border-none {
    border: none !important;
}

/* Auto-filled read-only field styling */
.userinput.auto-filled-readonly {
    background-color: #f1e3e336 !important;
    color: #6c757d !important;
    cursor: not-allowed !important;
    opacity: 0.7;
}

.check-ok-icon {
    display: none;
}

/* Ensure SVG icons are perfectly centered */
.ok-icon svg {
    width: 100%;
    height: 100%;
    display: block;
}


.branding-wrap {
    text-align: center;
    margin: 20px 40px;
    font-size: .8em;
    background-color: white;
}

.branding-wrap p {
    margin: 10px auto;
    max-width: 620px;
}

.info-text-container {
    background-color: #e6f8ff;
    border-radius: 8px;
    padding: 12px 20px 12px 30px;
    width: 100%;
    max-width: 880px;
    margin: 0 auto;
}

.learn-title-subnetting {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
}
.user-input-target:focus-visible {
    outline: none;
}

.sm-table {
    display: flex;
    max-width: 880px;
    width: 100%;
    margin: 0 auto;
    margin-top: 40px;
    gap: 40px;
    align-items: center;
    border: 1px solid #bfbfbf;
    border-radius: 8px;
    padding: 20px;
}

.sm-table .sm-cell-vid iframe {
    border-radius: 8px;
}

.sm-cell-text {
    text-align: start;
    font-size: 16px;
}

div.notyetreleased:hover::before {
    content: "Subscribe on YouTube to be notified when this video is released.";
    background: #444;
    color: #fff;
    height: 70.5px;
    width: 150px;
    display: block;
    align-items: center;
    padding-top: 17px;
    padding: 17px 3px 0px 3px;

}

div.notyetreleased:hover {
    height: 88px;
    width: 151px;
}

div.notyetreleased:hover a {
    display: none;
}

.text-start {
    text-align: start;
}

.enter-action-container {
    margin-top: 40px;
}
.subnetipv4-content {
    padding: 20px;
    box-shadow: rgba(0, 0, 0, 0.16) 0px 1px 4px;
    border-radius: 8px;
    background-color: white;
}
.branding-wrap {
    padding: 40px 20px;
    box-shadow: rgba(0, 0, 0, 0.16) 0px 1px 4px;
    border-radius: 8px;
    max-width: 900px;
    margin: 0px auto 40px auto;

}

.subnetipv4-form {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    max-width: 880px;
    width: 100%;
    margin: 24px auto;
}

.flex-row {
    display: flex;
    flex-direction: row;
}

.new-problem-button {
    background-color: #2374FF;
    color: white;
    font-size: 14px;
    font-weight: 500;
    padding: 6px 10px;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    height: 31px;
}

.new-problem-button:hover {
    background-color: #1a59c3;
}

.new-problem-button:active {
    background-color: #1a59c3;
}

.new-problem-button:focus {
    outline: none;
}

.main-table-container td {
    border: 1px solid #ccc !important;
    padding: 6px 10px;

}
.subnetipv4-form-header-text  {
    margin-right: 20px;
    font-weight: 500;
}

.main-table-container th {
    border: 1px solid #ccc !important;
    padding: 6px 18px;
    font-size: 14px;
    font-weight: 600;

}

.main-table-container tr {
    border-bottom: 1px solid #ccc;
}

.main-table-container {
    width: 100%;
}

.main-table-container-header {
    width: 100%;
    border: 1px solid #ccc;
    border-radius: 6px;
}

.main-table-container-header-row {
    display: flex;
    justify-content: space-between;
    width: 100%;
    border-bottom: 1px solid #ccc;
}

.main-table-container-row {
    display: flex;
    justify-content: space-between;
    width: 100%;
    border-bottom: 1px solid #ccc;
    height: 48px;
}

.main-table-container-header-row-text {
    width: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
}

.main-table-container-header-row1 {
    width: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px 10px;

}
.main-table-container-header-row1-network {
    border: 1px solid #000;
    border-radius: 8px;
}
.main-table-container-header-row2-answer {
    border: 1px solid #ccc;
    border-radius: 8px;
}
.main-table-container-header-row2-answer input:focus-visible {
    outline: none;
    background-color: transparent;
}
.main-table-container-header-row1-network input:focus-visible {
    outline: none;
}
.main-table-container-header-row1 input {
    padding: 7px 2px;
    border-radius: 8px;
    width: 34px;
    text-align: center;
    border: none;
    background-color: transparent;
}
.main-table-container-header-row2 input {
    padding: 6px 2px;
    border-radius: 4px;
    width: 34px;
    text-align: center;
    border: none;
    background-color: transparent;
}

.main-table-container-header-row2 {
    width: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px 10px;
    background-color:#f1e3e336;
    height: 100%;
}

.main-table-container-header-row2 p,
.main-table-container-header-row1 p {
    width: 100%;
    font-weight: 500;
}

.main-table-container-header-row3 {
    width: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px 10px;
}
.main-table-container-header-row3 p {
    font-weight: 500;
}
.main-table-container-header-row4 {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px 10px;
    width: 120px;
}
.main-table-container-header-row4 p {
    font-weight: 500;
}
.subnetipv4-form-header-input {
    display: flex;
    gap: 10px;
    align-items: center;
    /* border: 1px solid #ccc !important;
    border-radius: 8px;
    padding: 6px 10px; */
}
.subnetipv4-form-header-input input {
    text-align: center;
    background-color: #e6f8ff45;
}

.subnetipv4-form-header-input-last-octet {
    border: 1px solid #000 !important;
    border-radius: 8px;
    padding: 6px 10px;
}

.subnetipv4-form-header-input-first-octet {
    border: 1px solid #000 !important;
    border-radius: 8px;
    padding: 6px 10px;
}

.subnetipv4-form-header {
    display: flex;
    align-items: center;
    gap: 20px;
    width: 100%;
    justify-content: center;
    margin-bottom: 16px;
    background: #e6f8ff45;
    border: 1px solid #c5e6f3;
    padding: 10px 10px;
    width: auto;
    border-radius: 4px;
}

.view-check-button {
    border: 1px solid #e6f8ff;
    border-radius: 8px;
    background-color: #e6f8ff;
    padding: 6px 10px;
    cursor: pointer;
    /* margin-right: 10px; */
    position: relative;
    top: 1px;
}
.check-button {
    border: 1px solid #d5f7cb;
    border-radius: 8px;
    background-color: #d5f7cb;
    padding: 6px 10px;
    cursor: pointer;
    position: relative;
    top: 1px;
}
.show-all-container {
    margin-top: 20px;
    display: flex;
    flex-direction: row;
    gap: 16px;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.show-all-text {
    font-size: 14px;
    font-weight: 600;
    position: relative;
    top: 2px;
}

.show-all-button {
    background-color: #2374FF;
    color: white;
    font-size: 14px;
    font-weight: 500;
    border-radius: 8px;
    border: none;
    padding: 5px 10px;
    margin-right: 10px;
    cursor: pointer;
}

.show-all-button:hover {
    background-color: #1a59c3;
}

.show-all-button:active {
    background-color: #1a59c3;
}

.show-all-button:focus {
    outline: none;
}

.check-all-button {
    background-color: #159515;
    color: white;
    font-size: 14px;
    font-weight: 500;
    border-radius: 8px;
    border: none;
    padding: 5px 10px;
    cursor: pointer;
}

.check-all-button:hover {
    background-color: #159515;
}

.check-all-button:active {
    background-color: #159515;
}

.check-all-button:focus {
    outline: none;
}

.learn-container {
    background-color: #e2e8f0;
    max-width: 1280px;
    width: 100%;
    margin: 0 auto;
    padding: 1rem 1.5rem;
}



/* Mobile View */

.mobile-view-text {
    display: none;
}
.check-icon-mobile-view {
    display: none;
}

.sm-cell-text-title {
    font-size: 18px;
    margin-bottom: 24px;
}
.sm-cell-text-link {
    margin-top: 16px;
    color: #2374FF;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    display: inline-block;
    margin-bottom: 16px;
    border-bottom: 1px solid #2374FF;
}
.answers-container-mobile-view {
    display: none;
}
.mobile-view-table-left-bar {
    display: none;
}
.auto-check-button {
    margin-left: 10px;
    color: black;
    font-size: 14px;
    font-weight: 500;
    border-radius: 8px;
    border: none;
    padding: 5px 10px;
    cursor: pointer;
    background: #e6f8ff45;
    border: 1px solid #c5e6f3;
}
.auto-check-button input[type="checkbox"] {
    accent-color: #c5e6f3;
    transform: scale(1.2);
    position: relative;
    top: -0.5px;
}
.auto-check-button input[type="checkbox"]:checked {
    border: 1px solid #000;
    border-radius: 8px;


}
.auto-check-radio-button {
    margin-right: 10px;
}
.auto-check-radio-button-container {
    display: flex;
    gap: 10px;
}
.show-all-button-container {
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}
.view-check-button-container {
    display: none;
    width: 100px;
}
.edit-problem-button {
    border: 1px solid #2374FF;
    border-radius: 8px;
    background: none;
    cursor: pointer;
    padding: 1px 4px;
    margin: 0px;
 
}
.target-button-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}
@media (max-width: 1024px) {
    .main-table-container-header-row-text {
        width: 112px;
    }
}
@media (max-width: 871px) {
    .subnetipv4-form-header {
        border: none;
        background: none;
    }
    #mainContainer {
        max-width: 560px;
    }
    .learn-container {
        max-width: 610px;

    }
    .answers-container-mobile-view .main-table-container-row{
        display: block;
    }
    .hide-answer-mobile-view {
        display: none !important;
    }
    .main-table-container-header-row2-desktop-view {
        display: none !important;
    }
   
    .answers-container-mobile-view {
        display: block;
    }
    
    .main-table-container-header-row1-network {
        display: flex;
    }
    .subnetipv4-content {
        padding: 0px;
        box-shadow: none;
        border: none;
    }
    .main-table-container-header-row2-answer {
        display: flex;
    }
    .main-table-container-header-row2-answer-container {
        width: 200px;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .subnetipv4-form-header {
        flex-direction: column;
    }
    .subnetipv4-form-header .flex-row {
        flex-direction: column;
        gap: 20px;
    }
   
    .subnetipv4-form-header-text  {
        margin-right: 0px;
        font-size: 22px;
        font-weight: 600;
    }
    .main-table-container-header {  
        box-shadow: none;
        border: none;
    }
    .main-table-container-row {
        height: auto;
        border-bottom: 0px;
        border-bottom: 1px solid #ccc;
    }
    .main-table-container-header-row1 , .main-table-container-header-row2 {
        /* width: 100%; */
        padding: 10px 0px;
      

    }
  
    .main-table-container-header-row4 {
        grid-template-columns: 120px 1fr;
        padding-bottom: 16px;
    }
   
    .main-table-container-header-row4 {
        justify-content: center;

    }
    .check-icon-desktop-view {
        display: none;
    }
    .mobile-view-text {
        display: block;
        width: 100px;
        text-align: start;
        width: 140px;
    }
    .main-table-container-header-row-text {
      
        margin-bottom: 10px;
    }
    .show-all-container {
        margin-top: 0px;
    }
    
    .branding-wrap {
        margin: 0;
        box-shadow: none;
        padding: 16px;
    }
    .branding-wrap .sm-table {
        flex-direction: column;
    }
    .sm-table .sm-cell-vid iframe {
        width: 100% !important;
    }
    .sm-cell-text {
        order: 1;
    }
    .main-table-container-header-row2 {
        justify-content: unset;
    }
    .main-table-container-header-row2 .mobile-view-text  {
        width: 100px !important;
        text-align: center;
    }
    .answers-text-mobile-view {
        width: 100px;
        text-align: center;
        margin-top: 12px;
        margin-bottom: 12px;
        font-weight: 600;
        font-size: 20px;
    }
    .show-all-container {
        margin-top: 16px;
    }
    .main-table-container-header-row2 {
        width: 100%;
        /* padding: 10px 20px; */
    }
} 
@media (max-width: 576px) {
    .view-check-button-container {
        display: block;
    }
    .subnetipv4-form {
        padding: 10px;
    }
    .main-table-container-header-row-text {
        min-width: 100px;
    }
   .mobile-view-table-left-bar {
    /* display: block; */
    text-align: start;
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 9px;
    width: 100px;
   }
   .hide-on-mobile-view {
    display: none;
   }
    .main-table-container-header-row2 .mobile-view-text  {
        width: 100px !important;
        text-align: center;
    }
    .mobile-view-text {
        width: 100%;
        font-weight: 500;
    }
    .empty-row {
        min-width: 100px;
        max-width: 100px;
    }
    .main-table-container-header-row3 {
        width: 120px;
    }
    .main-table-container-header-row4 {
        padding: 16px 0px;
        width: 100px;
    }
    .main-table-container-header-row2 {
        padding: 5px 10px;
    }
    .main-table-container-header-row1-mobile-view {
        justify-content: center;
        
    }
    .show-all-container {
        flex-wrap: wrap;
    }
    .main-table-container-header-row2-answer {
        margin-left: 10px;
    }
    .main-table-container-header-row2 {
        width: 100%;
        background-color: #fff;
        justify-content: space-between;
        padding: 5px 0px;
    }
    .hide-mobile-view {
        display: none;
    }
    .hide-on-mobile-view-small {
        display: none;
    }
    .main-table-container-header-row3 {
        display: none;
    }
}
@media (max-width: 425px) {
    .content-placeholder {
        background-color: #fff;
        padding: 0;
    }
    .learn-container {
        background-color: #fff;
        padding: 1rem 0;
    }

}
@media (max-width: 389px) {
    .show-all-button-container {
        flex-wrap: wrap;
        gap: 10px;
        justify-content: center;
    }

    .main-table-container-header-row3 {
        margin-left: 0px;
        flex-direction: column;
        gap: 8px;

    }
    .main-table-container-header-row2 {
        width: 100%;
    }
    .check-button {
        margin-right: 0px;
    }
  
    
    /* Auto Check checkbox styling */
    .auto-check-button input[type="checkbox"] {
        margin-right: 6px;
        transform: scale(1.2);
    }
}