/* ============================================================
   QUALITYFIRST DESIGN SYSTEM v1
   ============================================================ */

:root {
    --qf-sidebar-width: 224px;

    --qf-bg: #f5f7fa;
    --qf-surface: #ffffff;
    --qf-surface-soft: #f8fafc;

    --qf-border: #dce3eb;
    --qf-border-strong: #cbd5e1;

    --qf-text: #10213a;
    --qf-text-muted: #64748b;

    --qf-primary: #1466df;
    --qf-primary-hover: #0f58c7;
    --qf-primary-soft: #eaf2ff;

    --qf-success: #16803c;
    --qf-success-soft: #eaf8ef;

    --qf-danger: #c62828;
    --qf-danger-soft: #fff0f0;

    --qf-sidebar: #082c4c;
    --qf-sidebar-dark: #061f37;
    --qf-sidebar-text: #eaf2fa;
    --qf-sidebar-muted: #9fb2c6;

    --qf-radius: 6px;
    --qf-radius-lg: 8px;

    --qf-shadow:
        0 1px 3px rgba(15, 23, 42, 0.08);

    --qf-font:
        Arial,
        Helvetica,
        sans-serif;
}


/* ============================================================
   RESET
   ============================================================ */

* {
    box-sizing: border-box;
}

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

body {
    font-family: var(--qf-font);
    font-size: 14px;
    color: var(--qf-text);
    background: var(--qf-bg);
}


/* ============================================================
   APPLICATION SHELL
   ============================================================ */

.qf-app {
    min-height: 100vh;
    display: flex;
}


/* ============================================================
   SIDEBAR
   ============================================================ */

.qf-sidebar {
    width: var(--qf-sidebar-width);
    min-width: var(--qf-sidebar-width);
    min-height: 100vh;

    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;

    display: flex;
    flex-direction: column;

    background:
        linear-gradient(
            180deg,
            var(--qf-sidebar),
            var(--qf-sidebar-dark)
        );

    color: var(--qf-sidebar-text);
}

.qf-brand {
    height: 66px;

    display: flex;
    align-items: center;

    padding: 0 20px;

    border-bottom:
        1px solid rgba(255, 255, 255, 0.08);
}

.qf-brand-mark {
    width: 32px;
    height: 32px;

    display: flex;
    align-items: center;
    justify-content: center;

    margin-right: 10px;

    border:
        2px solid #78aef5;

    border-radius: 50%;

    color: #ffffff;
    font-weight: 700;
}

.qf-brand-name {
    font-size: 21px;
    font-weight: 700;
    letter-spacing: 0.2px;
}

.qf-nav {
    padding: 14px 10px;
    flex: 1;
}

.qf-nav-section {
    margin:
        16px
        8px
        7px;

    color: var(--qf-sidebar-muted);

    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.qf-nav-item {
    display: block;

    padding:
        10px
        12px;

    margin-bottom: 3px;

    border-radius: 5px;

    color: var(--qf-sidebar-text);

    text-decoration: none;
    line-height: 1.2;
}

.qf-nav-item:hover {
    background:
        rgba(255, 255, 255, 0.08);
}

.qf-nav-item.active {
    background: var(--qf-primary);
    color: #ffffff;
}

.qf-nav-submenu {
    margin:
        -1px
        0
        8px
        18px;

    padding-left: 10px;

    border-left:
        1px solid rgba(255, 255, 255, 0.18);
}

.qf-nav-subitem {
    display: block;

    width: 100%;
    margin: 0;
    padding: 7px 10px;

    border: 0;
    border-radius: 4px;

    background: transparent;
    color: var(--qf-sidebar-muted);

    text-align: left;
    font-family: inherit;
    font-size: 12px;

    cursor: pointer;
}

.qf-nav-subitem:hover {
    background:
        rgba(255, 255, 255, 0.08);

    color: var(--qf-sidebar-text);
}

.qf-nav-subitem.active {
    background:
        rgba(20, 102, 223, 0.25);

    color: #ffffff;
    font-weight: 600;
}

.qf-nav-subitem:disabled {
    background: transparent;
    color: var(--qf-sidebar-muted);

    opacity: 0.4;
    cursor: default;
}

#section-data,
#section-characteristic,
#section-study-setup,
#section-results {
    color: var(--qf-text-muted);
    margin: 0;
}

.qf-sidebar-footer {
    padding: 16px 20px;

    color: var(--qf-sidebar-muted);

    font-size: 12px;

    border-top:
        1px solid rgba(255, 255, 255, 0.08);
}


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

.qf-main {
    margin-left: var(--qf-sidebar-width);
    width: calc(100% - var(--qf-sidebar-width));
    min-width: 0;

    height: 100vh;
    overflow: hidden;

    display: flex;
    flex-direction: column;
}


/* ============================================================
   TOP BAR
   ============================================================ */

.qf-topbar {
    height: 66px;
    min-height: 66px;
    flex: 0 0 66px;
    position: relative;
    z-index: 100;

    display: flex;
    align-items: center;
    justify-content: space-between;

    padding: 0 26px;

    background: var(--qf-surface);

    border-bottom:
        1px solid var(--qf-border);
}

.qf-topbar-title {
    font-size: 19px;
    font-weight: 600;
}

.qf-topbar-actions {
    display: flex;
    gap: 24px;

    color: #253650;

    font-size: 13px;
}


/* ============================================================
   CONTENT
   ============================================================ */

.qf-content {
    width: 100%;
    max-width: 1600px;
    min-height: 0;

    flex: 1 1 auto;
    overflow-y: auto;
    overflow-x: hidden;

    padding: 18px;
    margin: 0 auto;

    scroll-behavior: smooth;
}


/* ============================================================
   TYPOGRAPHY
   ============================================================ */

h1,
h2,
h3,
h4 {
    color: var(--qf-text);
}

h1 {
    font-size: 24px;
    margin:
        0
        0
        8px;
}

h2 {
    font-size: 16px;
    margin:
        0
        0
        14px;
}

h3 {
    font-size: 14px;
    margin:
        18px
        0
        10px;
}

p {
    line-height: 1.5;
}

.help {
    color: var(--qf-text-muted);
    font-size: 13px;
}


/* ============================================================
   PAGE INTRO
   ============================================================ */

.qf-page-intro {
    margin-bottom: 16px;
}

.qf-page-description {
    color: var(--qf-text-muted);
    margin: 0;
}


/* ============================================================
   WORKFLOW
   ============================================================ */

.qf-workflow {
    display: flex;
    position: sticky;
    top:0;
    z-index: 90;
    margin-bottom: 10px;
    background: var(--qf-surface);
    border: 1px solid var(--qf-border);
    border-radius: var(--qf-radius-lg);
    box-shadow: var(--qf-shadow);
}

.qf-workflow-step {
    padding: 12px 24px;
    border-bottom: 2px solid transparent;
    color: var(--qf-text);
    display: block;
    text-decoration: none;
    white-space: nowrap;
}

.qf-workflow-step.active {
    color: var(--qf-primary);

    border-bottom-color:
        var(--qf-primary);

    font-weight: 600;
}
.qf-workflow-step:hover {
    color: var(--qf-primary);
    background: var(--qf-primary-soft);
}

.qf-workflow-step[aria-disabled="true"] {
    color: var(--qf-text-muted);
    opacity: 0.55;
    pointer-events: none;
}

.qf-workflow-section {
    scroll-margin-top: 64px;
}



/* ============================================================
   PANELS / CARDS
   ============================================================ */

.section {
    margin-bottom: 18px;
}

.panel,
.qf-card {
    padding: 16px;

    margin:
        0
        0
        14px;

    background: var(--qf-surface);

    border:
        1px solid var(--qf-border);

    border-radius: var(--qf-radius-lg);

    box-shadow: var(--qf-shadow);
}

.qf-card-title {
    margin-bottom: 14px;

    font-size: 14px;
    font-weight: 600;
}


/* ============================================================
   FORMS
   ============================================================ */

label {
    display: inline-block;

    margin-bottom: 4px;

    font-size: 13px;
    font-weight: 500;
}

input,
textarea,
select {
    width: 100%;

    padding:
        8px
        10px;

    margin:
        3px
        0
        9px;

    border:
        1px solid var(--qf-border-strong);

    border-radius: 5px;

    background: #ffffff;

    color: var(--qf-text);

    font-family: inherit;
    font-size: 13px;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;

    border-color:
        var(--qf-primary);

    box-shadow:
        0 0 0 2px
        rgba(20, 102, 223, 0.12);
}

textarea {
    min-height: 120px;
    resize: vertical;
}


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

button,
.qf-button {
    display: inline-flex;

    align-items: center;
    justify-content: center;

    padding:
        9px
        16px;

    border:
        1px solid var(--qf-border-strong);

    border-radius: 5px;

    background: #ffffff;

    color: var(--qf-text);

    font-family: inherit;
    font-size: 13px;

    cursor: pointer;

    text-decoration: none;
}


button:disabled,
.qf-button:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

button[type="submit"]:disabled:hover {
    background: var(--qf-primary);
    border-color: var(--qf-primary);
}

button:hover,
.qf-button:hover {
    background: var(--qf-surface-soft);
}

.qf-button-primary,
button[type="submit"] {
    background: var(--qf-primary);
    border-color: var(--qf-primary);
    color: #ffffff;
}

.qf-button-primary:hover,
button[type="submit"]:hover {
    background: var(--qf-primary-hover);
}


/* ============================================================
   TABLES
   ============================================================ */

table {
    width: 100%;

    border-collapse: collapse;

    margin:
        10px
        0
        16px;

    background: var(--qf-surface);

    font-size: 13px;
}

th,
td {
    padding:
        8px
        10px;

    border:
        1px solid var(--qf-border);

    vertical-align: middle;
}

th {
    text-align: left;

    background: var(--qf-surface-soft);

    font-weight: 600;
}

.column-info td:nth-child(2),
.column-info td:nth-child(3) {
    text-align: right;
}

.candidate {
    color: var(--qf-success);
    font-weight: 600;
}


/* ============================================================
   ALERTS
   ============================================================ */
.qf-import-notice {
    margin: 14px 0;
    padding: 12px 14px;
    border: 1px solid #bdd7f5;
    border-left: 4px solid var(--qf-primary);
    border-radius: 5px;
    background: #eef6ff;
    color: var(--qf-text);
}

.qf-import-notice strong {
    display: block;
    margin-bottom: 4px;
}


.error {
    margin:
        14px
        0;

    padding:
        12px
        14px;

    border:
        1px solid #efc5c5;

    border-left:
        4px solid var(--qf-danger);

    border-radius: 5px;

    background:
        var(--qf-danger-soft);

    color: #7f1d1d;
}


/* ============================================================
   PREVIEW
   ============================================================ */

.preview-table {
    width: 100%;
    border-collapse: collapse;
}

.preview-table th,
.preview-table td {
    border:
        1px solid var(--qf-border);

    padding:
        7px
        9px;
}




/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 900px) {

    .qf-sidebar {
        width: 180px;
        min-width: 180px;
    }

    .qf-main {
        margin-left: 180px;
        width: calc(100% - 180px);
    }

    .qf-brand-name {
        font-size: 17px;
    }

}


@media (max-width: 700px) {

    .qf-sidebar {
        display: none;
    }

    .qf-main {
        margin-left: 0;
        width: 100%;
    }

    .qf-topbar {
        padding:
            0
            14px;
    }

    .qf-topbar-actions {
        display: none;
    }

    .qf-content {
        padding: 12px;
    }

    .qf-workflow {
        overflow-x: auto;
    }

}

/* ============================================================
   FORM GRID
   ============================================================ */

.qf-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 18px;
}

.qf-form-field {
    min-width: 0;
}

.qf-form-field p {
    margin: 0;
}

.qf-form-field-full {
    grid-column: 1 / -1;
}

@media (max-width: 900px) {

    .qf-form-grid {
        grid-template-columns: 1fr;
    }

    .qf-form-field-full {
        grid-column: auto;
    }

}

/* ============================================================
   DATA INPUT
   ============================================================ */

.qf-data-input-grid {
    display: grid;
    grid-template-columns:
        minmax(260px, 0.8fr)
        40px
        minmax(320px, 1.2fr);

    gap: 18px;
    align-items: start;
}

.qf-data-input-block {
    min-width: 0;
}

.qf-data-input-separator {
    align-self: start;
    padding-top: 48px;
    color: var(--qf-text-muted);
    text-align: center;
    font-size: 12px;
    text-transform: uppercase;
}

.qf-data-input-block textarea {
    min-height: 70px;
    height: 70px;
}


@media (max-width: 900px) {

    .qf-data-input-grid {
        grid-template-columns: 1fr;
    }

    .qf-data-input-separator {
        padding: 2px 0;
    }

}


/* ============================================================
   RESULTS WORKSPACE
   ============================================================ */

.qf-results-workspace {
    margin-top: 22px;
}

.qf-result-tabs {
    display: flex;
    gap: 0;

    margin-bottom: 10px;

    background: var(--qf-surface);

    border:
        1px solid var(--qf-border);

    border-radius:
        var(--qf-radius-lg);

    box-shadow:
        var(--qf-shadow);

    overflow-x: auto;
}

.qf-result-tab {
    padding:
        13px
        18px;

    white-space: nowrap;

    color:
        var(--qf-text-muted);

    border-bottom:
        2px solid transparent;
}

.qf-result-tab.active {
    color:
        var(--qf-primary);

    border-bottom-color:
        var(--qf-primary);

    font-weight: 600;
}


.qf-card-spaced {
    margin-top: 14px;
}


.qf-card-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 16px;

    margin-bottom: 12px;
}

.qf-interpretation-card {
    border-left: 4px solid var(--qf-primary);
}

.qf-analysis-facts {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 20px;
    margin-bottom: 10px;
    color: var(--qf-text-muted);
    font-size: 12px;
}

.qf-analysis-facts strong {
    color: var(--qf-text);
}

.qf-interpretation-text {
    margin: 6px 0 0;
    color: var(--qf-text-muted);
    font-size: 13px;
}

.qf-sample-warning {
    margin-top: 10px;
    padding: 9px 11px;
    background: #fff7e6;
    border: 1px solid #f1d59a;
    border-radius: var(--qf-radius);
    color: #704b00;
    font-size: 12px;
}

.qf-fit-failure summary {
    color: #8a3b12;
    cursor: pointer;
    font-weight: 600;
}

.qf-fit-failure-reason {
    max-width: 320px;
    margin-top: 6px;
    color: var(--qf-text-muted);
    font-size: 12px;
    line-height: 1.4;
}

.qf-card-title-row .qf-card-title {
    margin-bottom: 0;
}

.qf-card-meta {
    color:
        var(--qf-text-muted);

    font-size: 12px;
}


.qf-summary-table {
    margin-bottom: 0;
}

.qf-summary-table th {
    width: 16%;
}

.qf-summary-table td {
    width: 34%;
}


.qf-results-workspace table {
    border-radius:
        var(--qf-radius);

    overflow: hidden;
}


@media (max-width: 900px) {

    .qf-card-title-row {
        align-items: flex-start;
        flex-direction: column;
        gap: 4px;
    }

    .qf-summary-table th,
    .qf-summary-table td {
        width: auto;
    }

}

/* ============================================================
   RESULT TABS
   ============================================================ */

.qf-result-tabs {
    display: flex;
    align-items: stretch;

    margin-bottom: 14px;

    background: var(--qf-surface);

    border: 1px solid var(--qf-border);
    border-radius: var(--qf-radius-lg);

    box-shadow: var(--qf-shadow);

    overflow-x: auto;
}

.qf-result-tab {
    width: auto;
    margin: 0;

    padding: 13px 18px;

    border: 0;
    border-bottom: 2px solid transparent;
    border-radius: 0;

    background: transparent;
    color: var(--qf-text-muted);

    white-space: nowrap;

    font-family: inherit;
    font-size: 13px;

    cursor: pointer;
}

.qf-result-tab:hover {
    background: var(--qf-surface-soft);
    color: var(--qf-text);
}

.qf-result-tab.active {
    background: transparent;
    color: var(--qf-primary);

    border-bottom-color: var(--qf-primary);

    font-weight: 600;
}

.qf-result-tab:focus-visible {
    outline: 2px solid var(--qf-primary);
    outline-offset: -3px;
}

.qf-tab-panel[hidden] {
    display: none;
}


/* ============================================================
   INLINE RADIO / DETAIL SELECTOR
   ============================================================ */

.qf-radio {
    width: auto;
    margin: 0;
}

.qf-column-use {
    width: 54px;
    text-align: center;
}

.qf-detail-selector {
    display: flex;
    align-items: center;
    gap: 10px;
}

.qf-detail-selector label {
    margin: 0;
    white-space: nowrap;
}

.qf-detail-selector select {
    width: 260px;
    margin: 0;
}

@media (max-width: 700px) {

    .qf-detail-selector {
        width: 100%;
        align-items: flex-start;
        flex-direction: column;
        gap: 4px;
    }

    .qf-detail-selector select {
        width: 100%;
    }

}


/* ============================================================
   COLLAPSIBLE DATA PREVIEW
   ============================================================ */

.qf-preview-details {
    background: var(--qf-surface);

    border: 1px solid var(--qf-border);
    border-radius: var(--qf-radius-lg);

    box-shadow: var(--qf-shadow);
}

.qf-preview-details summary {
    padding: 13px 16px;

    color: var(--qf-text);

    font-weight: 600;

    cursor: pointer;
    user-select: none;
}

.qf-preview-details summary:hover {
    background: var(--qf-surface-soft);
}

.qf-preview-details[open] summary {
    border-bottom: 1px solid var(--qf-border);
}

.qf-preview-content {
    padding: 14px 16px;
}

/* ============================================================
   CHARACTERISTIC / TRACEABILITY LAYOUT
   ============================================================ */

.qf-characteristic-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.qf-inline-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.qf-inline-field {
    display: grid;
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 12px;
    align-items: center;
}

.qf-inline-field label {
    margin: 0;
    color: var(--qf-text-muted);
    font-size: 13px;
}

.qf-inline-field input,
.qf-inline-field select {
    margin: 0;
    width: 100%;
}


@media (max-width: 1050px) {

    .qf-characteristic-layout {
        grid-template-columns: 1fr;
    }

}


@media (max-width: 700px) {

    .qf-inline-field {
        grid-template-columns: 1fr;
        gap: 4px;
    }

}

/* ============================================================
   DISTRIBUTION DETAIL PLOTS
   ============================================================ */

.qf-fit-plots {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));

    gap: 14px;
    align-items: start;

    margin-top: 16px;
}

.qf-fit-plot {
    min-width: 0;
    margin: 0;

    padding: 12px;

    background: var(--qf-surface-soft);

    border: 1px solid var(--qf-border);
    border-radius: var(--qf-radius);
}

.qf-fit-plot figcaption {
    margin-bottom: 10px;

    color: var(--qf-text);
    font-size: 14px;
    font-weight: 600;
}

.qf-fit-plot img {
    display: block;

    width: 100%;
    height: auto;
}

@media (max-width: 900px) {

    .qf-fit-plots {
        grid-template-columns: 1fr;
    }

}


/* ============================================================
   MSA TYPE 1 – STUDY SETUP
   ============================================================ */

.qf-type1-setup-layout {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.qf-type1-setup-layout > .qf-card {
    min-width: 0;
}

.qf-inline-control {
    min-width: 0;
}

.qf-inline-control input,
.qf-inline-control select,
.qf-inline-control textarea {
    width: 100%;
    margin: 0;
}

.qf-inline-field-top {
    align-items: start;
}

.qf-inline-field-top > label {
    padding-top: 8px;
}

.qf-type1-setup-layout textarea {
    min-height: 70px;
    height: 70px;
}

.qf-type1-advanced {
    margin-top: 0;
}

.qf-type1-advanced > summary {
    cursor: pointer;
    margin-bottom: 0;
}

.qf-type1-advanced[open] > summary {
    margin-bottom: 14px;
}

.qf-type1-advanced-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px 18px;
}

.qf-type1-advanced-grid .qf-inline-field {
    grid-template-columns: 190px minmax(0, 1fr);
}


@media (max-width: 1250px) {

    .qf-type1-setup-layout {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .qf-type1-setup-layout > .qf-card:last-child {
        grid-column: 1 / -1;
    }

    .qf-type1-advanced-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

}


@media (max-width: 900px) {

    .qf-type1-setup-layout,
    .qf-type1-advanced-grid {
        grid-template-columns: 1fr;
    }

    .qf-type1-setup-layout > .qf-card:last-child {
        grid-column: auto;
    }

}


@media (max-width: 700px) {

    .qf-type1-advanced-grid .qf-inline-field {
        grid-template-columns: 1fr;
        gap: 4px;
    }

}


/* ============================================================
   MSA TYPE 1 – RESULTS
   ============================================================ */

.qf-type1-results {
    margin-top: 24px;
}

.qf-type1-results-overview {
    display: grid;
    grid-template-columns:
        minmax(0, 1.55fr)
        minmax(320px, 0.75fr);
    gap: 14px;
    align-items: stretch;
}

.qf-type1-results-overview > .qf-card {
    min-width: 0;
}

.qf-type1-plot-card {
    display: flex;
    flex-direction: column;
}

.qf-type1-plot {
    display: block;
    width: 100%;
    max-height: 480px;
    object-fit: contain;
}

.qf-type1-metric-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.qf-type1-metric {
    padding: 12px;

    border: 1px solid var(--qf-border);
    border-radius: 5px;

    background: var(--qf-surface-soft);
}

.qf-type1-metric-label,
.qf-type1-metric-value {
    display: block;
}

.qf-type1-metric-label {
    margin-bottom: 4px;
    color: var(--qf-text-muted);
    font-size: 12px;
}

.qf-type1-metric-value {
    color: var(--qf-text);
    font-size: 18px;
}

.qf-type1-assessment {
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid var(--qf-border);
}

.qf-type1-assessment-title {
    margin-bottom: 7px;
    font-size: 13px;
    font-weight: 600;
}

.qf-type1-assessment p {
    margin: 6px 0;
}

.qf-type1-criteria-note {
    margin: 14px 0 0;
    padding-top: 12px;
    border-top: 1px solid var(--qf-border);
}

.qf-type1-details-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.qf-type1-details-grid > .qf-card {
    min-width: 0;
}

.qf-type1-compact-table {
    margin: 0;
}

.qf-type1-compact-table th,
.qf-type1-compact-table td {
    padding: 7px 9px;
}

.qf-type1-compact-table th {
    width: 58%;
}

.qf-type1-result-details > summary {
    cursor: pointer;
    margin-bottom: 0;
}

.qf-type1-result-details[open] > summary {
    margin-bottom: 14px;
}

.qf-type1-settings-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    align-items: start;
}

.qf-type1-report-actions {
    margin-top: 14px;
    margin-bottom: 18px;
}


@media (max-width: 1200px) {

    .qf-type1-results-overview {
        grid-template-columns: 1fr;
    }

    .qf-type1-details-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

}


@media (max-width: 800px) {

    .qf-type1-details-grid,
    .qf-type1-settings-grid {
        grid-template-columns: 1fr;
    }

}


@media (max-width: 500px) {

    .qf-type1-metric-grid {
        grid-template-columns: 1fr;
    }

}


/* ============================================================
   MSA TYPE 2 – DATA AND STUDY SETUP
   ============================================================ */

.qf-type2-setup-layout {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.qf-type2-setup-layout > .qf-card {
    min-width: 0;
}

.qf-type2-setup-layout textarea {
    min-height: 70px;
    height: 70px;
}

.qf-type2-mapping-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px 18px;
}

.qf-type2-analysis-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 24px;
}

.qf-type2-advanced > summary {
    cursor: pointer;
    margin-bottom: 0;
}

.qf-type2-advanced[open] > summary {
    margin-bottom: 14px;
}

.qf-type2-advanced-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 24px;
}

.qf-type2-analysis-grid .qf-inline-field,
.qf-type2-advanced-grid .qf-inline-field {
    grid-template-columns: 210px minmax(0, 1fr);
}

#manual-data-container {
    margin-top: 14px;
    overflow-x: auto;
}

#manual-data-container:empty {
    display: none;
}


@media (max-width: 1250px) {

    .qf-type2-setup-layout {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .qf-type2-setup-layout > .qf-card:last-child {
        grid-column: 1 / -1;
    }

    .qf-type2-mapping-grid {
        grid-template-columns: 1fr;
    }

}


@media (max-width: 900px) {

    .qf-type2-setup-layout,
    .qf-type2-analysis-grid,
    .qf-type2-advanced-grid {
        grid-template-columns: 1fr;
    }

    .qf-type2-setup-layout > .qf-card:last-child {
        grid-column: auto;
    }

}


@media (max-width: 700px) {

    .qf-type2-analysis-grid .qf-inline-field,
    .qf-type2-advanced-grid .qf-inline-field {
        grid-template-columns: 1fr;
        gap: 4px;
    }

}


/* ============================================================
   MSA TYPE 2 – RESULTS
   ============================================================ */

#section-results.qf-type2-results {
    margin-top: 24px;
}

.qf-type2-tab-panel {
    padding-top: 14px;
}

.qf-type2-tab-panel[hidden] {
    display: none;
}

.qf-type2-results img {
    display: block;
    width: 100%;
    height: auto;
}

.qf-type2-results details > summary {
    cursor: pointer;
}

.qf-type2-report-actions {
    margin-top: 14px;
    margin-bottom: 18px;
}

/* ============================================================
   MSA TYPE 2 – RESULT CONTENT
   ============================================================ */

.qf-type2-overview-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    align-items: start;
}

.qf-type2-overview-grid > .qf-card {
    min-width: 0;
    margin-bottom: 0;
}

.qf-type2-metric-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.qf-type2-metric {
    padding: 12px;

    border: 1px solid var(--qf-border);
    border-radius: 5px;

    background: var(--qf-surface-soft);
}

.qf-type2-metric-label,
.qf-type2-metric-value {
    display: block;
}

.qf-type2-metric-label {
    min-height: 32px;
    margin-bottom: 4px;

    color: var(--qf-text-muted);
    font-size: 12px;
}

.qf-type2-metric-value {
    margin-bottom: 3px;

    color: var(--qf-text);
    font-size: 20px;
}

.qf-type2-overview-plot img {
    display: block;
    width: 100%;
    max-height: 390px;
    object-fit: contain;
}

.qf-type2-acceptance-card table {
    margin-bottom: 0;
}

.qf-type2-diagnostics-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    align-items: start;
}

.qf-type2-diagnostic-card {
    min-width: 0;
    margin-bottom: 0;
}

.qf-type2-diagnostic-card img {
    display: block;
    width: 100%;
    max-height: 440px;
    object-fit: contain;
}

.qf-type2-diagnostic-card .interpretation-note {
    margin-top: 12px;
    padding: 10px 12px;

    border-left: 3px solid var(--qf-primary);

    background: var(--qf-primary-soft);
    color: var(--qf-text-muted);

    font-size: 12px;
    line-height: 1.45;
}


@media (max-width: 1100px) {

    .qf-type2-overview-grid,
    .qf-type2-diagnostics-grid {
        grid-template-columns: 1fr;
    }

}


@media (max-width: 700px) {

    .qf-type2-metric-grid {
        grid-template-columns: 1fr;
    }

    .qf-type2-metric-label {
        min-height: 0;
    }

}


/* ==========================================================
   MSA TYPE 3 – FORM LAYOUT
   ========================================================== */

.qf-type3-setup-layout {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    align-items: stretch;
}

.qf-type3-setup-layout > .qf-card {
    min-width: 0;
}

.qf-type3-setup-layout textarea {
    min-height: 88px;
    resize: vertical;
}


/* COLUMN MAPPING */

.qf-type3-mapping-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}


/* ADVANCED OPTIONS */

.qf-type3-advanced {
    margin-top: 16px;
}

.qf-type3-advanced > summary {
    cursor: pointer;
    font-weight: 600;
}

.qf-type3-advanced[open] > summary {
    margin-bottom: 16px;
}

.qf-type3-advanced-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.qf-type3-mapping-grid .qf-inline-field,
.qf-type3-advanced-grid .qf-inline-field {
    grid-template-columns: minmax(130px, 42%) minmax(0, 1fr);
}


/* ==========================================================
   MSA TYPE 3 – RESPONSIVE FORM
   ========================================================== */

@media (max-width: 1250px) {

    .qf-type3-setup-layout {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .qf-type3-setup-layout > .qf-card:last-child {
        grid-column: 1 / -1;
    }

    .qf-type3-mapping-grid {
        grid-template-columns: 1fr;
    }
}


@media (max-width: 850px) {

    .qf-type3-setup-layout,
    .qf-type3-advanced-grid {
        grid-template-columns: 1fr;
    }

    .qf-type3-setup-layout > .qf-card:last-child {
        grid-column: auto;
    }

    .qf-type3-mapping-grid .qf-inline-field,
    .qf-type3-advanced-grid .qf-inline-field {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================
   MSA TYPE 3 – RESULTS
   ========================================================== */

#section-results.qf-type3-results {
    scroll-margin-top: 18px;
}


/* RESULT PANELS */

.qf-type3-tab-panel {
    margin-top: 16px;
}

.qf-type3-tab-panel[hidden] {
    display: none;
}


/* DIAGNOSTIC GRAPHS */

.qf-type3-diagnostics-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    align-items: start;
}

.qf-type3-diagnostic-card {
    min-width: 0;
    overflow: hidden;
}

.qf-type3-diagnostic-card img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
}


/* TABLES */

.qf-type3-tab-panel table {
    width: 100%;
    margin-bottom: 16px;
}


/* PDF REPORT */

.qf-type3-report-actions {
    display: flex;
    justify-content: flex-start;
    margin-top: 20px;
}


/* ==========================================================
   MSA TYPE 3 – RESPONSIVE RESULTS
   ========================================================== */

@media (max-width: 1100px) {

    .qf-type3-diagnostics-grid {
        grid-template-columns: 1fr;
    }
}


/* ==========================================================
   MSA TYPE 3 – OVERVIEW
   ========================================================== */

.qf-type3-overview-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    align-items: start;
}

.qf-type3-overview-grid > .qf-card {
    min-width: 0;
}

.qf-type3-metric-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.qf-type3-metric {
    display: flex;
    flex-direction: column;
    min-width: 0;
    padding: 16px;
    border: 1px solid #d7e0eb;
    border-radius: 6px;
    background: #f7f9fc;
}

.qf-type3-metric-label {
    min-height: 38px;
    color: #526987;
}

.qf-type3-metric-value {
    margin: 6px 0;
    color: #071b38;
    font-size: 1.55rem;
    line-height: 1.15;
}

.qf-type3-overview-plot img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
}

.qf-type3-acceptance-card table {
    width: 100%;
    margin: 0;
}


/* RESPONSIVE OVERVIEW */

@media (max-width: 1100px) {

    .qf-type3-overview-grid {
        grid-template-columns: 1fr;
    }
}


@media (max-width: 700px) {

    .qf-type3-metric-grid {
        grid-template-columns: 1fr;
    }

    .qf-type3-metric-label {
        min-height: auto;
    }
}


/* ==========================================================
   ATTRIBUTE MSA – FORM
   ========================================================== */

.qf-attribute-setup-layout {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    align-items: stretch;
}

.qf-attribute-setup-layout > .qf-card {
    min-width: 0;
}

.qf-attribute-setup-layout textarea {
    min-height: 88px;
    resize: vertical;
}

.qf-attribute-mapping-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.qf-attribute-mapping-grid .qf-inline-field {
    grid-template-columns: minmax(145px, 44%) minmax(0, 1fr);
}


/* ==========================================================
   ATTRIBUTE MSA – RESULTS
   ========================================================== */

#section-results.qf-attribute-results {
    scroll-margin-top: 18px;
}

.qf-attribute-tab-panel {
    margin-top: 16px;
}

.qf-attribute-tab-panel[hidden] {
    display: none;
}

.qf-attribute-tab-panel table {
    width: 100%;
    margin-bottom: 16px;
}

.qf-attribute-tab-panel img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
}

.qf-attribute-overview-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    align-items: start;
}

.qf-attribute-overview-grid > .qf-card {
    min-width: 0;
}

.qf-attribute-report-actions {
    display: flex;
    justify-content: flex-start;
    margin-top: 20px;
}

.qf-attribute-details {
    margin: 16px 0;
}

.qf-attribute-details > summary {
    cursor: pointer;
    font-weight: 600;
}

.qf-attribute-details[open] > summary {
    margin-bottom: 12px;
}


/* APPRAISER AGREEMENT AND RISK */

.qf-attribute-appraiser-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin: 16px 0;
}

.qf-attribute-appraiser-card {
    min-width: 0;
}

.qf-attribute-score,
.qf-attribute-risk-heading {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: baseline;
}

.qf-attribute-score strong {
    color: #071b38;
    font-size: 1.35rem;
    white-space: nowrap;
}

.qf-attribute-ci {
    margin: 4px 0 8px;
    color: #526987;
    font-size: 0.9rem;
}

.qf-attribute-risk-row {
    margin-top: 14px;
}

.qf-attribute-risk-heading {
    margin-bottom: 5px;
    color: #526987;
    font-size: 0.9rem;
}

.qf-attribute-risk-heading strong {
    color: #071b38;
    white-space: nowrap;
}

.qf-attribute-bar-track {
    width: 100%;
    height: 8px;
    overflow: hidden;
    border-radius: 999px;
    background: #e8edf4;
}

.qf-attribute-bar {
    width: min(var(--qf-bar-value), 100%);
    height: 100%;
    border-radius: inherit;
}

.qf-attribute-bar-agreement {
    background: #2474d8;
}

.qf-attribute-bar-consumer {
    background: #c53b3b;
}

.qf-attribute-bar-producer {
    background: #d9861c;
}

.qf-attribute-bar-mixed {
    background: #7b8798;
}

.qf-attribute-reference-plot {
    margin: 16px 0;
}


/* ATTRIBUTE MSA – RESPONSIVE */

@media (max-width: 1250px) {

    .qf-attribute-mapping-grid,
    .qf-attribute-appraiser-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 900px) {

    .qf-attribute-setup-layout,
    .qf-attribute-overview-grid,
    .qf-attribute-mapping-grid,
    .qf-attribute-appraiser-grid {
        grid-template-columns: 1fr;
    }

    .qf-attribute-mapping-grid .qf-inline-field {
        grid-template-columns: 1fr;
    }
}


/* ==========================================================
   NORMAL CAPABILITY – FORM
   ========================================================== */

.qf-capability-layout-choice {
    margin: 14px 0 16px;
    padding: 12px 14px;

    border: 1px solid var(--qf-border);
    border-radius: 8px;

    background: var(--qf-surface-soft);
}

.qf-capability-layout-choice ul {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 28px;

    margin: 0;
    padding: 0;

    list-style: none;
}

.qf-capability-layout-choice li {
    margin: 0;
}

.qf-capability-layout-choice label {
    display: inline-flex;
    align-items: center;
    gap: 8px;

    cursor: pointer;
    font-weight: 600;
}

.qf-capability-layout-choice input[type="radio"] {
    width: 17px;
    height: 17px;
    margin: 0;

    accent-color: var(--qf-primary);
}

.qf-capability-column-table .qf-column-select {
    width: 88px;
    min-width: 88px;

    text-align: center;
}

.qf-capability-column-table input[type="radio"],
.qf-capability-column-table input[type="checkbox"] {
    width: 17px;
    height: 17px;
    margin: 0;

    cursor: pointer;
    accent-color: var(--qf-primary);
}

.qf-capability-column-table input:disabled {
    cursor: not-allowed;
    opacity: 0.35;
}

.qf-capability-column-table .column-info td:nth-child(4),
.qf-capability-column-table .column-info td:nth-child(5) {
    text-align: right;
}

.qf-capability-layout-help {
    margin-top: 10px;
}

.qf-capability-layout-help .help {
    margin: 0;
}

#single-layout-options[hidden],
#single-layout-help[hidden],
#wide-layout-help[hidden] {
    display: none !important;
}

.qf-capability-column-table,
.qf-table-scroll {
    width: 100%;
    overflow-x: auto;
}

.qf-capability-mapping-grid {
    display: grid;
    grid-template-columns: minmax(300px, 1fr) minmax(320px, 1fr);
    gap: 20px;
    margin-top: 18px;
    align-items: start;
}

.qf-capability-setup-layout {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    align-items: stretch;
}

.qf-capability-setup-layout > .qf-card {
    min-width: 0;
}

.qf-capability-preview {
    margin-top: 16px;
}

.qf-capability-preview > summary,
.qf-capability-details > summary {
    cursor: pointer;
}

.qf-capability-preview[open] > summary,
.qf-capability-details[open] > summary {
    margin-bottom: 14px;
}


/* ==========================================================
   NORMAL CAPABILITY – RESULTS
   ========================================================== */

#section-results.qf-capability-results {
    scroll-margin-top: 18px;
}

.qf-capability-dashboard {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    align-items: start;
}

.qf-capability-dashboard > .qf-card {
    min-width: 0;
    overflow: hidden;
}

.qf-capability-dashboard img,
.qf-capability-details img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
}

.qf-capability-histogram-card img,
.qf-capability-qq-card img,
.qf-capability-spc-card img {
    max-height: 355px;
}

.qf-capability-metric-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.qf-capability-metric {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 14px;
    border: 1px solid #d7e0eb;
    border-radius: 6px;
    background: #f7f9fc;
}

.qf-capability-metric span {
    color: #526987;
}

.qf-capability-metric strong {
    color: #071b38;
    font-size: 1.55rem;
    line-height: 1.1;
}

.qf-capability-summary-table {
    width: 100%;
    margin-top: 14px;
}

.qf-capability-assessment-card table {
    width: 100%;
    margin: 0;
}

.qf-capability-details {
    margin-top: 16px;
}

.qf-capability-details-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.qf-capability-details-grid table {
    width: 100%;
}

.qf-capability-report-actions {
    display: flex;
    justify-content: flex-start;
    margin-top: 20px;
}


/* NORMAL CAPABILITY – RESPONSIVE */

@media (max-width: 1250px) {

    .qf-capability-setup-layout {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .qf-capability-setup-layout > .qf-card:last-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 950px) {

    .qf-capability-dashboard,
    .qf-capability-mapping-grid,
    .qf-capability-details-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 800px) {

    .qf-capability-setup-layout {
        grid-template-columns: 1fr;
    }

    .qf-capability-setup-layout > .qf-card:last-child {
        grid-column: auto;
    }
}

@media (max-width: 520px) {

    .qf-capability-metric-grid {
        grid-template-columns: 1fr;
    }
}



/* ============================================================
   HOMEPAGE
   ============================================================ */

.qf-brand {
    color: inherit;
    text-decoration: none;
}

.qf-home {
    max-width: 1320px;
    margin: 0 auto;
}

.qf-home-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
    gap: 24px;
    padding: 38px;
    border: 1px solid var(--qf-border);
    border-radius: var(--qf-radius-lg);
    background:
        radial-gradient(circle at 90% 10%, rgba(20, 102, 223, 0.13), transparent 34%),
        var(--qf-surface);
    box-shadow: var(--qf-shadow);
}

.qf-home-hero-copy {
    align-self: center;
    max-width: 760px;
}

.qf-home-eyebrow {
    margin: 0 0 9px;
    color: var(--qf-primary);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.9px;
    text-transform: uppercase;
}

.qf-home-hero h1 {
    max-width: 720px;
    margin: 0;
    color: #071b38;
    font-size: clamp(34px, 4vw, 58px);
    line-height: 1.05;
    letter-spacing: -1.4px;
}

.qf-home-lead {
    max-width: 690px;
    margin: 20px 0 0;
    color: var(--qf-text-muted);
    font-size: 18px;
    line-height: 1.55;
}

.qf-home-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 26px;
}

.qf-home-actions .qf-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 10px 17px;
    text-decoration: none;
}

.qf-button-secondary {
    border: 1px solid var(--qf-border-strong);
    background: var(--qf-surface);
    color: var(--qf-text);
}

.qf-button-secondary:hover {
    border-color: var(--qf-primary);
    color: var(--qf-primary);
}

.qf-home-hero-panel {
    display: grid;
    grid-template-columns: 38px 1fr;
    gap: 18px 14px;
    align-content: center;
    padding: 24px;
    border: 1px solid #cfe0f8;
    border-radius: var(--qf-radius-lg);
    background: rgba(248, 251, 255, 0.9);
}

.qf-home-hero-panel > span {
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--qf-primary-soft);
    color: var(--qf-primary);
    font-weight: 700;
}

.qf-home-hero-panel strong,
.qf-home-hero-panel small {
    display: block;
}

.qf-home-hero-panel strong {
    margin: 1px 0 5px;
    color: var(--qf-text);
    font-size: 15px;
}

.qf-home-hero-panel small {
    color: var(--qf-text-muted);
    font-size: 13px;
    line-height: 1.45;
}

.qf-home-tools {
    padding-top: 38px;
    scroll-margin-top: 24px;
}

.qf-home-section-heading {
    max-width: 720px;
    margin-bottom: 20px;
}

.qf-home-section-heading h2 {
    margin: 0;
    color: #071b38;
    font-size: 28px;
}

.qf-home-section-heading > p:last-child {
    margin: 8px 0 0;
    color: var(--qf-text-muted);
    font-size: 16px;
}

.qf-home-tool-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.qf-home-tool-card {
    min-width: 0;
    display: flex;
    flex-direction: column;
    min-height: 238px;
    padding: 23px;
    border: 1px solid var(--qf-border);
    border-radius: var(--qf-radius-lg);
    background: var(--qf-surface);
    box-shadow: var(--qf-shadow);
}

.qf-home-tool-card-featured {
    border-top: 3px solid var(--qf-primary);
    padding-top: 21px;
}

.qf-home-tool-tag {
    align-self: flex-start;
    padding: 4px 8px;
    border-radius: 999px;
    background: var(--qf-primary-soft);
    color: var(--qf-primary);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.qf-home-tool-card h3 {
    margin: 15px 0 9px;
    color: var(--qf-text);
    font-size: 19px;
}

.qf-home-tool-card p {
    flex: 1;
    margin: 0;
    color: var(--qf-text-muted);
    line-height: 1.55;
}

.qf-home-tool-card a {
    align-self: flex-start;
    margin-top: 20px;
    color: var(--qf-primary);
    font-weight: 700;
    text-decoration: none;
}

.qf-home-tool-card a:hover {
    color: var(--qf-primary-hover);
    text-decoration: underline;
}

.qf-home-note {
    display: grid;
    grid-template-columns: minmax(210px, 0.35fr) minmax(0, 1fr);
    gap: 20px;
    margin-top: 24px;
    padding: 20px 23px;
    border-left: 4px solid var(--qf-primary);
    border-radius: var(--qf-radius);
    background: var(--qf-primary-soft);
}

.qf-home-note strong {
    color: #12345b;
}

.qf-home-note p {
    margin: 0;
    color: #415a78;
    line-height: 1.5;
}

@media (max-width: 1100px) {
    .qf-home-hero {
        grid-template-columns: 1fr;
    }

    .qf-home-tool-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    .qf-home-hero {
        padding: 26px 22px;
    }

    .qf-home-tool-grid,
    .qf-home-note {
        grid-template-columns: 1fr;
    }

    .qf-home-tool-card {
        min-height: auto;
    }
}