/**
 * Project Calculator Pro V2
 * IPv4 and IPv6 Subnet Calculator
 */

/* =========================================================
   CALCULATOR CONTAINER
   ========================================================= */

.pcp-ip-subnet {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    font-family: Arial, Helvetica, sans-serif;
    box-sizing: border-box;
}

.pcp-ip-subnet *,
.pcp-ip-subnet *::before,
.pcp-ip-subnet *::after {
    box-sizing: border-box;
}


/* =========================================================
   HEADINGS AND INSTRUCTIONS
   ========================================================= */

.pcp-ip-subnet h2 {
    margin: 0 0 10px;
    color: #283655;
    font-family: Helvetica, Arial, sans-serif;
    font-size: 24px;
    font-weight: 800;
    line-height: 1.25;
}

.pcp-ip-subnet .calc-instructions {
    margin: 8px 0 20px;
    color: #000;
    font-family: Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
}

.pcp-ip-subnet .pcp-section-title,
.pcp-ip-subnet .pcp-subtitle {
    margin: 0 0 12px;
    color: #283655;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.3;
}


/* =========================================================
   MAIN SECTIONS
   ========================================================= */

.pcp-ip-subnet .pcp-section,
.pcp-ip-subnet .pcp-settings {
    margin: 20px 0;
    padding: 15px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 10px;
}

.pcp-ip-subnet .pcp-section {
    margin-top: 15px;
}

.pcp-ip-subnet .pcp-settings .pcp-subtitle {
    margin-top: 0;
}


/* =========================================================
   FIELD GROUPS AND LABELS
   ========================================================= */

.pcp-ip-subnet .pcp-group {
    margin-bottom: 16px;
}

.pcp-ip-subnet .pcp-group:last-child {
    margin-bottom: 0;
}

.pcp-ip-subnet label {
    display: block;
    margin: 0 0 5px;
    color: #000;
    font-size: 16px;
    font-weight: 700;
}

.pcp-ip-subnet .pcp-field-note {
    margin: 6px 0 0;
    color: #000;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.45;
}


/* =========================================================
   ADDRESS FAMILY SELECTOR
   ========================================================= */

.pcp-ip-subnet .isc-family-selector {
    min-width: 0;
    margin: 0;
    padding: 0;
    border: none;
}

.pcp-ip-subnet .isc-family-selector legend {
    margin-bottom: 12px;
    color: #283655;
    font-size: 18px;
    font-weight: 700;
}

.pcp-ip-subnet .isc-family-options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.pcp-ip-subnet .isc-radio-option {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    width: 100%;
    margin: 0;
    padding: 14px;
    background: #f4f4f4;
    color: #000;
    border: 1px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    transition:
        background-color 0.2s ease,
        border-color 0.2s ease;
}

.pcp-ip-subnet .isc-radio-option:hover {
    background: #fff;
    border-color: #f26522;
}

.pcp-ip-subnet .isc-radio-option:has(
    input[type="radio"]:checked
) {
    background: #fff;
    border-color: #283655;
    box-shadow: inset 0 0 0 1px #283655;
}

.pcp-ip-subnet
    .isc-radio-option
    input[type="radio"] {
    flex: 0 0 auto;
    width: 19px;
    height: 19px;
    margin: 2px 0 0;
    padding: 0;
    accent-color: #f26522;
    cursor: pointer;
}

.pcp-ip-subnet .isc-radio-option span {
    display: block;
    flex: 1;
    min-width: 0;
}

.pcp-ip-subnet .isc-radio-option strong {
    display: block;
    color: #283655;
    font-size: 16px;
    line-height: 1.3;
}

.pcp-ip-subnet .isc-radio-option small {
    display: block;
    margin-top: 4px;
    color: #000;
    font-size: 13px;
    font-weight: 400;
    line-height: 1.4;
    overflow-wrap: anywhere;
}


/* =========================================================
   TEXT AND NUMBER INPUTS
   ========================================================= */

.pcp-ip-subnet input[type="text"],
.pcp-ip-subnet input[type="number"] {
    width: 100%;
    min-height: 46px;
    padding: 10px 12px;
    background: #fff;
    color: #000;
    border: 1px solid #bbb;
    border-radius: 6px;
    font-family:
        Consolas,
        "Courier New",
        monospace;
    font-size: 16px;
}

.pcp-ip-subnet input[type="text"]:focus,
.pcp-ip-subnet input[type="number"]:focus {
    outline: none;
    border-color: #f26522;
    box-shadow: 0 0 0 2px rgba(242, 101, 34, 0.2);
}

.pcp-ip-subnet input[aria-invalid="true"] {
    border-color: #f26522;
    box-shadow: 0 0 0 2px rgba(242, 101, 34, 0.2);
}


/* =========================================================
   CIDR PREFIX FIELD
   ========================================================= */

.pcp-ip-subnet .isc-prefix-field {
    display: flex;
    align-items: stretch;
    width: 100%;
    max-width: 220px;
}

.pcp-ip-subnet .isc-prefix-symbol {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 54px;
    min-height: 46px;
    padding: 10px;
    background: #283655;
    color: #fff;
    border: 1px solid #283655;
    border-radius: 6px 0 0 6px;
    font-family:
        Consolas,
        "Courier New",
        monospace;
    font-size: 20px;
    font-weight: 700;
}

.pcp-ip-subnet .isc-prefix-field input {
    flex: 1 1 auto;
    min-width: 0;
    border-radius: 0 6px 6px 0;
}


/* =========================================================
   DETAILS CHECKBOX
   ========================================================= */

.pcp-ip-subnet .isc-checkbox-option {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    width: 100%;
    margin: 0;
    padding: 12px;
    background: #f4f4f4;
    color: #000;
    border: 1px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    transition:
        background-color 0.2s ease,
        border-color 0.2s ease;
}

.pcp-ip-subnet .isc-checkbox-option:hover {
    background: #fff;
    border-color: #f26522;
}

.pcp-ip-subnet .isc-checkbox-option:has(
    input[type="checkbox"]:checked
) {
    border-color: #283655;
}

.pcp-ip-subnet
    .isc-checkbox-option
    input[type="checkbox"] {
    flex: 0 0 auto;
    width: 19px;
    height: 19px;
    margin: 2px 0 0;
    padding: 0;
    accent-color: #f26522;
    cursor: pointer;
}

.pcp-ip-subnet .isc-checkbox-option span {
    display: block;
    flex: 1;
    min-width: 0;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.35;
}

.pcp-ip-subnet .isc-checkbox-option small {
    display: block;
    margin-top: 4px;
    color: #000;
    font-size: 13px;
    font-weight: 400;
    line-height: 1.4;
}


/* =========================================================
   PRIMARY BUTTON ROW
   ========================================================= */

.pcp-ip-subnet .pcp-button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px;
}

.pcp-ip-subnet .pcp-button-row .pcp-btn {
    flex: 1 1 150px;
}


/* =========================================================
   BUTTONS
   ========================================================= */

.pcp-ip-subnet .pcp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 12px 16px;
    background: #f26522;
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.3px;
    line-height: 1.2;
    text-align: center;
    transition:
        background-color 0.2s ease,
        opacity 0.2s ease,
        transform 0.1s ease;
}

.pcp-ip-subnet .pcp-btn:hover {
    background: #283655;
}

.pcp-ip-subnet .pcp-btn:focus-visible {
    outline: 3px solid rgba(242, 101, 34, 0.3);
    outline-offset: 2px;
}

.pcp-ip-subnet .pcp-btn:active {
    transform: translateY(1px);
}

.pcp-ip-subnet .pcp-btn:disabled {
    background: #bbb;
    color: #fff;
    cursor: not-allowed;
    opacity: 0.65;
    transform: none;
}

.pcp-ip-subnet .pcp-btn:disabled:hover {
    background: #bbb;
}


/* =========================================================
   COPY BUTTON
   ========================================================= */

.pcp-ip-subnet .isc-copy:not(:disabled) {
    background: #283655;
}

.pcp-ip-subnet .isc-copy:not(:disabled):hover {
    background: #f26522;
}


/* =========================================================
   RESULTS CONTAINER
   ========================================================= */

.pcp-ip-subnet .pcp-result {
    margin-top: 20px;
    color: #000;
    font-size: 16px;
    line-height: 1.5;
}

.pcp-ip-subnet .pcp-result:empty {
    display: none;
}

.pcp-ip-subnet .pcp-result-success {
    display: block;
    padding: 16px;
    background: #f4f4f4;
    border: 1px solid #ddd;
    border-radius: 10px;
}

.pcp-ip-subnet .pcp-result-success > h3 {
    margin: 0 0 16px;
    color: #283655;
    font-size: 21px;
    font-weight: 800;
}


/* =========================================================
   RESULT SECTIONS
   ========================================================= */

.pcp-ip-subnet .isc-result-section {
    margin-top: 16px;
    padding: 15px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
}

.pcp-ip-subnet .isc-result-section:first-of-type {
    margin-top: 0;
}

.pcp-ip-subnet .isc-result-section h4 {
    margin: 0 0 12px;
    padding-bottom: 9px;
    color: #283655;
    border-bottom: 1px solid #ddd;
    font-size: 17px;
    font-weight: 800;
    line-height: 1.3;
}


/* =========================================================
   RESULT DEFINITION LIST
   ========================================================= */

.pcp-ip-subnet .isc-result-list {
    margin: 0;
    padding: 0;
}

.pcp-ip-subnet .isc-result-item {
    display: grid;
    grid-template-columns:
        minmax(170px, 0.8fr)
        minmax(0, 1.5fr);
    gap: 16px;
    align-items: start;
    padding: 10px 0;
    border-bottom: 1px solid #ddd;
}

.pcp-ip-subnet .isc-result-item:first-child {
    padding-top: 0;
}

.pcp-ip-subnet .isc-result-item:last-child {
    padding-bottom: 0;
    border-bottom: none;
}

.pcp-ip-subnet .isc-result-item dt {
    margin: 0;
    color: #283655;
    font-weight: 700;
    line-height: 1.45;
}

.pcp-ip-subnet .isc-result-item dd {
    min-width: 0;
    margin: 0;
    color: #000;
    line-height: 1.45;
    overflow-wrap: anywhere;
    word-break: break-word;
}


/* =========================================================
   IP ADDRESS AND BINARY CODE VALUES
   ========================================================= */

.pcp-ip-subnet .isc-result-item code {
    display: inline-block;
    max-width: 100%;
    padding: 4px 7px;
    background: #f4f4f4;
    color: #000;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family:
        Consolas,
        "Courier New",
        monospace;
    font-size: 14px;
    line-height: 1.5;
    white-space: normal;
    overflow-wrap: anywhere;
    word-break: break-word;
}


/* =========================================================
   RESULT NOTE
   ========================================================= */

.pcp-ip-subnet .pcp-result-note {
    margin: 16px 0 0;
    padding-top: 13px;
    color: #000;
    border-top: 1px solid #ddd;
    font-size: 14px;
    line-height: 1.5;
}


/* =========================================================
   VALIDATION ERRORS
   ========================================================= */

.pcp-ip-subnet .pcp-result-error {
    display: block;
    padding: 12px 15px;
    background: #f4f4f4;
    color: #000;
    border-left: 4px solid #f26522;
    border-radius: 6px;
    font-weight: 700;
}


/* =========================================================
   CALCULATOR NOTE
   ========================================================= */

.pcp-ip-subnet .pcp-calculator-note {
    margin: 16px 0 0;
    padding: 12px 14px;
    background: #f4f4f4;
    color: #000;
    border-left: 4px solid #283655;
    border-radius: 6px;
    font-size: 14px;
    line-height: 1.5;
}


/* =========================================================
   SCREEN-READER-ONLY ELEMENTS
   ========================================================= */

.pcp-ip-subnet .isc-screen-reader-text {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}


/* =========================================================
   MOBILE LAYOUT
   ========================================================= */

@media (max-width: 650px) {
    .pcp-ip-subnet {
        padding: 15px;
    }

    .pcp-ip-subnet h2 {
        font-size: 22px;
    }

    .pcp-ip-subnet .pcp-section-title,
    .pcp-ip-subnet .pcp-subtitle,
    .pcp-ip-subnet .isc-family-selector legend {
        font-size: 17px;
    }

    .pcp-ip-subnet .isc-family-options {
        grid-template-columns: 1fr;
    }

    .pcp-ip-subnet .isc-prefix-field {
        max-width: 100%;
    }

    .pcp-ip-subnet .pcp-button-row {
        gap: 10px;
    }

    .pcp-ip-subnet .pcp-button-row .pcp-btn {
        flex-basis: calc(50% - 5px);
    }

    .pcp-ip-subnet .isc-result-item {
        grid-template-columns: 1fr;
        gap: 5px;
    }

    .pcp-ip-subnet .isc-result-item dt {
        font-size: 14px;
    }
}

@media (max-width: 420px) {
    .pcp-ip-subnet {
        padding: 10px;
    }

    .pcp-ip-subnet .pcp-section,
    .pcp-ip-subnet .pcp-settings,
    .pcp-ip-subnet .pcp-result-success {
        padding: 12px;
    }

    .pcp-ip-subnet .isc-result-section {
        padding: 12px;
    }

    .pcp-ip-subnet .pcp-button-row .pcp-btn {
        flex-basis: 100%;
    }

    .pcp-ip-subnet .isc-radio-option,
    .pcp-ip-subnet .isc-checkbox-option {
        padding: 10px;
    }
}


/* =========================================================
   PRINT / PDF LAYOUT
   ========================================================= */

@media print {
    .pcp-ip-subnet {
        max-width: 100%;
        padding: 0;
    }

    .pcp-ip-subnet .pcp-button-row,
    .pcp-ip-subnet .isc-copy-output,
    .pcp-ip-subnet .isc-status {
        display: none !important;
    }

    .pcp-ip-subnet .pcp-section,
    .pcp-ip-subnet .pcp-settings,
    .pcp-ip-subnet .pcp-result,
    .pcp-ip-subnet .pcp-calculator-note,
    .pcp-ip-subnet .isc-result-section {
        break-inside: avoid;
        page-break-inside: avoid;
    }

    .pcp-ip-subnet .pcp-result-success,
    .pcp-ip-subnet .isc-result-section {
        background: #fff;
        box-shadow: none;
    }

    .pcp-ip-subnet .isc-result-item code {
        background: #fff;
    }
}