/* =============================================================
   AVALON COLOR CONFIGURATOR
   Visual language imported from the Avalon brand design system.

   Palette: off-white / ink / red accent. No rounded corners.
   Type: Archivo Black (display), Inter (body), JetBrains Mono (labels).
   Section markers: short red rule (.av-rule) above headings.
   ============================================================= */

/* ---- Brand tokens (mirrors the Avalon design system) ---------------- */
:root {
    --ink:          #0A0A0A;
    --ink-soft:     #2a2a2a;
    --paper:        #FAFAFA;
    --paper-2:      #F0F0F0;
    --paper-3:      #E6E6E6;
    --line:         #DDDDDD;
    --line-soft:    #ECECEC;
    --white:        #FFFFFF;
    --accent:       #D4001A;
    --accent-dim:   #A30015;
    --muted:        rgba(10,10,10,0.55);

    --font-display: 'Archivo Black', 'Arial Black', system-ui, sans-serif;
    --font-sans:    'Inter', system-ui, -apple-system, sans-serif;
    --font-mono:    'JetBrains Mono', ui-monospace, monospace;

    --tracking-tight:  -0.025em;
    --tracking-label:  0.16em;
    --tracking-mono:   0.06em;

    --maxw:           1600px;
    --gutter:         32px;
    --gutter-mobile:  16px;
    --nav-pad-y:      24px;

    --t-fast: 120ms ease;
    --t-med:  240ms ease;

    /* ---- Configurator-specific knobs ---------------------------------- */
    --swatch-size:    20px;
    --error:          #c11020;
    --error-bg:       rgba(212, 0, 26, 0.07);
    --selected-bg:    #8f8f8f;
}

/* ---- Reset ---------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; }
button { font-family: inherit; }
img { display: block; max-width: 100%; }
.clearfix::after { content: ""; display: block; clear: both; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--paper-2); }
::-webkit-scrollbar-thumb { background: #C8C8C8; }
::-webkit-scrollbar-thumb:hover { background: #A8A8A8; }

/* ---- Page wrapper for outer width control -------------------------- */
.av-wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }
@media (max-width: 820px) {
    .av-wrap { padding: 0 var(--gutter-mobile); }
}

/* ---- Page header (logo left, Back to Website right) ---------------- */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: var(--nav-pad-y) var(--gutter);
    border-bottom: 1px solid var(--line);
}
@media (max-width: 820px) {
    .page-header { padding: 20px var(--gutter-mobile); }
}
.logo-wrap {
    display: inline-block;
    color: var(--accent);
}
.logo-wrap svg {
    /* The new "AVALON by Advanced Parachute Systems Ltd." logo is two-line
       so it's taller than the old one. Sized to feel balanced with the
       Program Label next to it. */
    height: 48px;
    width: auto;
    display: block;
    fill: currentColor;
}
.logo-wrap svg path { fill: currentColor; }  /* Illustrator paths inherit */
@media (max-width: 600px) { .logo-wrap svg { height: 36px; } }

.page-header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}
.program-label {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: var(--tracking-label);
    text-transform: uppercase;
    color: var(--ink);
    padding-left: 16px;
    border-left: 1px solid var(--line);
    line-height: 1;
    white-space: nowrap;
}
@media (max-width: 600px) {
    .program-label { font-size: 10px; padding-left: 12px; }
    .page-header-left { gap: 12px; }
}

.back-to-site {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: 13px 22px;
    border: 1px solid var(--ink);
    color: var(--ink);
    background: transparent;
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: var(--t-fast);
    white-space: nowrap;
}
.back-to-site:hover {
    background: var(--ink);
    color: var(--paper);
}
@media (max-width: 480px) {
    .back-to-site { padding: 10px 14px; font-size: 10px; }
}

/* ---- Rig type selector -------------------------------------------- */
#rig-selector {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 10px;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 24px var(--gutter);
    border-bottom: 1px solid var(--line);
}
@media (max-width: 820px) {
    #rig-selector { padding: 20px var(--gutter-mobile); }
}
.rig-option {
    appearance: none;
    flex: 0 0 auto;
    padding: 12px 22px;
    background: transparent;
    border: 1px solid var(--ink);
    cursor: pointer;
    transition: var(--t-fast);
    text-align: center;
    color: var(--ink);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
}
.rig-option:hover { background: var(--paper-2); }
.rig-option.active {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--white);
}
.rig-option:active { transform: translateY(1px); }

/* Logo inside the button — inherits the button's text color via currentColor,
   so it flips white when the button is active. */
.rig-option .rig-logo {
    display: inline-flex;
    align-items: center;
    color: inherit;
    line-height: 0;
}
.rig-option .rig-logo svg {
    height: 22px;
    width: auto;
    display: block;
    fill: currentColor;
}
.rig-option .rig-logo svg path { fill: currentColor; }

@media (max-width: 600px) {
    .rig-option { padding: 10px 16px; min-height: 42px; }
    .rig-option .rig-logo svg { height: 18px; }
}
@media (max-width: 400px) {
    .rig-option { padding: 8px 12px; min-height: 36px; }
    .rig-option .rig-logo svg { height: 15px; }
    #rig-selector { gap: 6px; }
}

/* ---- Tabs ---------------------------------------------------------- */
#page-tabs {
    display: flex;
    flex-wrap: wrap;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 var(--gutter);
    border-bottom: 1px solid var(--line);
    gap: 0;
}
@media (max-width: 820px) {
    #page-tabs { padding: 0 var(--gutter-mobile); }
}
.page-tab {
    position: relative;
    padding: 18px 24px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
    cursor: pointer;
    user-select: none;
    transition: var(--t-fast);
}
.page-tab:hover { color: var(--ink); }
.page-tab.active {
    color: var(--ink);
}
.page-tab.active::after {
    content: "";
    position: absolute;
    left: 24px; right: 24px;
    bottom: -1px;
    height: 2px;
    background: var(--accent);
}

/* ---- Page panels --------------------------------------------------- */
.page-div { display: none; padding: 32px var(--gutter); max-width: var(--maxw); margin: 0 auto; }
.page-div.active { display: block; }
@media (max-width: 820px) {
    .page-div { padding: 24px var(--gutter-mobile); }
}

/* Section heading style — short red rule + display heading */
#order-page h3,
#options-page h3,
#measurements-page h3 {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 24px;
    letter-spacing: var(--tracking-tight);
    line-height: 1.02;
    color: var(--ink);
    margin: 40px 0 16px;
    text-transform: none;
    position: relative;
    padding-top: 14px;
}
#order-page h3::before,
#options-page h3::before,
#measurements-page h3::before {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 36px;
    height: 2px;
    background: var(--accent);
}
/* Only zero the top margin for the *very first* heading in the page-div,
   not for headings inside nested fieldsets/blocks. This gives the
   rig-options blocks ("Sport Options", "Accuracy Options", etc.) proper
   breathing room from the preceding "Main & Reserve Canopy" block. */
#options-page > h3:first-child,
#measurements-page > h3:first-child,
#order-page > h3:first-child { margin-top: 0; }

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

/* ---- Error summary banner ----------------------------------------- */
.form-error-summary {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 20px var(--gutter);
    background: rgba(212, 0, 26, 0.06);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    box-shadow: inset 4px 0 0 var(--accent);
}
@media (max-width: 820px) {
    .form-error-summary { padding: 16px var(--gutter-mobile); }
}
.form-error-summary-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}
.form-error-summary-title {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: var(--tracking-label);
    text-transform: uppercase;
    color: var(--accent);
    font-weight: 500;
}
.form-error-summary-body {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px 32px;
}
.form-error-tab-group ul {
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 13px;
    line-height: 1.6;
}
.form-error-tab-group li {
    padding: 2px 0;
    color: var(--ink-soft);
}
.form-error-tab-group li strong {
    color: var(--ink);
    font-weight: 600;
}
.form-error-tab-chip {
    appearance: none;
    background: var(--ink);
    color: var(--paper);
    border: 1px solid var(--ink);
    padding: 4px 10px;
    margin-bottom: 8px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: var(--tracking-label);
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--t-fast);
}
.form-error-tab-chip::before {
    content: "→ ";
}
.form-error-tab-chip:hover {
    background: var(--accent);
    border-color: var(--accent);
}
.form-error-count { opacity: .7; font-weight: 400; }
.form-error-more { color: var(--muted); font-style: italic; }

/* ---- Toolbar (Main Function Buttons) ------------------------------- */
#coloring-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    padding: 0 0 16px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--line);
}
#coloring-toolbar button {
    appearance: none;
    padding: 10px 16px;
    background: transparent;
    border: 1px solid var(--ink);
    color: var(--ink);
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--t-fast);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    line-height: 1;
}
#coloring-toolbar button:hover:not([disabled]) {
    background: var(--ink);
    color: var(--paper);
}
#coloring-toolbar button[disabled] {
    opacity: .3;
    cursor: not-allowed;
}
#coloring-toolbar button[data-action="material"][aria-pressed="true"] {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--white);
}
/* Global MIRROR / SPLIT toolbar toggle — paired buttons that visually group
   together. Active button highlights in black (vs cordura's red) to
   differentiate the two control types. */
.toolbar-mirror-toggle {
    display: inline-flex;
    gap: 0;
}
#coloring-toolbar .toolbar-mirror-toggle button {
    /* Tighten the pair so they read as a single control */
    border-radius: 0;
}
#coloring-toolbar .toolbar-mirror-toggle button:first-child {
    border-top-left-radius: 2px;
    border-bottom-left-radius: 2px;
    border-right-width: 0;
}
#coloring-toolbar .toolbar-mirror-toggle button:last-child {
    border-top-right-radius: 2px;
    border-bottom-right-radius: 2px;
}
#coloring-toolbar .toolbar-mirror-toggle button[data-action="mirror-state"][aria-pressed="true"] {
    background: var(--ink);
    border-color: var(--ink);
    color: var(--paper);
}
.toolbar-sep {
    width: 1px;
    height: 22px;
    background: var(--line);
    margin: 0 6px;
}
.toolbar-spacer {
    /* Pushes the right-side group all the way right when the toolbar fits
       on one line. When it wraps, .toolbar-right still floats right thanks
       to margin-left:auto on the container itself. */
    flex: 1 1 auto;
    min-width: 16px;
}
.toolbar-right {
    margin-left: auto;     /* survives flex-wrap — right group stays right */
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding-left: 12px;
}
.toolbar-right button {
    /* same base styles as toolbar buttons via inheritance from #coloring-toolbar button rule */
}
@media (max-width: 820px) {
    .toolbar-right { padding-left: 0; }
}

/* ---- Fill All dropdown -------------------------------------------- */
.fill-all-wrap {
    position: relative;
    display: inline-block;
}
.fill-all-menu {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    z-index: 100;
    background: var(--paper);
    border: 1px solid var(--ink);
    padding: 14px 16px 12px;
    min-width: 280px;
    max-width: 420px;
    box-shadow: 0 6px 24px rgba(0, 0, 0, .12);
}
.fill-all-menu[hidden] { display: none; }
.fill-all-group { margin-bottom: 12px; }
.fill-all-group:last-child { margin-bottom: 0; }
.fill-all-group-label {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: var(--tracking-label);
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 6px;
}
.fill-all-swatches {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}
.fill-all-swatch {
    appearance: none;
    width: 22px;
    height: 22px;
    border: 1px solid var(--line);
    cursor: pointer;
    padding: 0;
    transition: transform .08s ease, border-color var(--t-fast);
    position: relative;
}
.fill-all-swatch:hover {
    transform: scale(1.2);
    z-index: 2;
    border-color: var(--ink);
}
.fill-all-swatch[data-color-pattern] {
    background-color: transparent !important;
}
.fill-all-swatch[data-color-pattern]::after {
    content: none;
    position: absolute; inset: 0;
    color: #fff;
    font-family: var(--font-mono);
    font-size: 9px;
    font-weight: 700;
    display: flex; align-items: center; justify-content: center;
}
.fill-all-footer {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--line);
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: var(--tracking-mono);
    color: var(--muted);
    line-height: 1.4;
}

/* Wrap multiple dropdowns side by side without forcing the buttons to glue */
.fill-all-wrap + .fill-all-wrap { margin-left: 2px; }

/* ---- Color page layout (SCM | live SVG) --------------------------- */
#color-page-inner {
    display: grid;
    grid-template-columns: minmax(300px, 1fr) minmax(0, 1.8fr);
    gap: 32px;
    align-items: start;
}
#color-page-left  { min-width: 0; }
#color-page-right {
    min-width: 0;
    position: sticky;
    top: 1rem;
    /* Solid opaque background is essential when sticky — without it the
       section-list swatches behind the SVG container leak through any
       padding/margin around the rig drawing, looking like floating
       squares on top of the SVG. Off-white (paper-2) matches the rig
       panel below so the two read as one continuous surface. */
    background: var(--paper-3, #E6E6E6);
    z-index: 5;
}

/* On narrow screens the right column (SVG preview) stacks above the
   section list. We keep it sticky on mobile so the rig "follows" the
   user as they scroll through the swatches — but still need the solid
   background above to prevent overlay bleed-through. */
@media (max-width: 900px) {
    #color-page-inner { grid-template-columns: 1fr; gap: 16px; }
    #color-page-right {
        order: -1;
        /* Reduce the top offset on mobile so the SVG sits flush to the
           top of the viewport when stuck, leaving more room for the
           swatch list below. */
        top: 0;
        /* Add a small bottom padding so when sticky, the SVG's bottom
           edge has a visible separation from the content underneath. */
        padding-bottom: 8px;
    }
}

/* ---- SCM (Section Colors Menu) ------------------------------------ */
#sections-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    border-top: 1px solid var(--line);
}

.scm-section {
    border-bottom: 1px solid var(--line);
    padding: 12px 0;
    cursor: pointer;
    transition: background var(--t-fast);
}
.scm-section:hover { background: #d4d4d4; }
.scm-section.selected {
    box-shadow: inset 0 0 0 3px var(--accent);
    padding-left: 12px;
    padding-right: 12px;
}
.scm-section.error {
    background: var(--error-bg);
}

.scm-section-header {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 4px 12px;
    margin-bottom: 6px;
}
.scm-section-name {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ink);
}
.scm-section-code {
    color: var(--accent);
    margin-right: 4px;
    font-weight: 700;
}

/* Per-section Cordura 500/1000 toggle (cordura sections only) */
.scm-material-toggle {
    display: inline-flex;
    gap: 0;
}
.scm-material-toggle button {
    appearance: none;
    background: transparent;
    border: 1px solid var(--ink);
    border-right-width: 0;
    color: var(--ink);
    padding: 3px 8px;
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    line-height: 1.2;
    transition: var(--t-fast);
}
.scm-material-toggle button:last-child { border-right-width: 1px; }
.scm-material-toggle button:hover:not([aria-pressed="true"]) {
    background: var(--paper-2);
}
.scm-material-toggle button[aria-pressed="true"] {
    background: var(--ink);
    color: var(--paper);
}

/* Variant picker (e.g. cutaway handle type) — small inline dropdown */
.scm-variant-picker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-left: 12px;
    font-family: var(--font-mono);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: var(--tracking-tight);
}
.scm-variant-picker label {
    color: var(--ink-soft);
}
.scm-variant-picker select {
    padding: 4px 24px 4px 8px;
    border: 1px solid var(--line);
    border-radius: 2px;
    background: var(--paper);
    color: var(--ink);
    font: inherit;
    text-transform: inherit;
    letter-spacing: inherit;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%),
                      linear-gradient(135deg, var(--ink) 50%, transparent 50%);
    background-position: calc(100% - 12px) 50%, calc(100% - 8px) 50%;
    background-size: 4px 4px;
    background-repeat: no-repeat;
}
.scm-variant-picker select:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}
.scm-variant-picker select {
    font-weight: 700;
}

/* Visibility toggle (ON/OFF) for embroidery sections — styled like the
   cordura material toggle but with a RED active state to signal "this is
   an opt-out / removal control". */
.scm-visibility-toggle {
    display: inline-flex;
    margin-left: 8px;
    border: 1px solid var(--line);
    border-radius: 2px;
    overflow: hidden;
}
.scm-visibility-toggle button {
    padding: 4px 10px;
    background: var(--paper);
    color: var(--ink);
    border: none;
    border-right: 1px solid var(--line);
    font: inherit;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: var(--tracking-tight);
    cursor: pointer;
    transition: background var(--t-fast), color var(--t-fast);
}
.scm-visibility-toggle button:last-child { border-right: none; }
.scm-visibility-toggle button:hover:not([aria-pressed="true"]) {
    background: var(--paper-2);
}
.scm-visibility-toggle button[aria-pressed="true"] {
    background: var(--accent);
    color: var(--paper);
}
.scm-visibility-toggle button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: -2px;
    z-index: 1;
}
/* When toggle is OFF, dim the entire row's swatches to reinforce hidden state */
.scm-section:has(.scm-visibility-toggle button[data-section-visible="0"][aria-pressed="true"]) .scm-swatches {
    opacity: 0.4;
}
/* When a section is dependent-hidden (its parent is OFF), dim it more
   heavily and make it non-interactive. */
.scm-section--dependent-hidden {
    opacity: 0.4;
    pointer-events: none;
}
.scm-section--dependent-hidden .scm-visibility-toggle button {
    cursor: not-allowed;
}

/* Mirror panes — only one shown at a time (linked OR split) */
.scm-mirror-pane[hidden] { display: none; }

/* Swatches hidden because a variant picker selected a non-colorable
   option (e.g. metal cutaway handle). */
.scm-swatches--hidden-by-variant,
.scm-material-toggle--hidden-by-variant {
    display: none !important;
}
.scm-side-group {
    margin-top: 4px;
}
.scm-side-label {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: var(--tracking-tight);
    color: var(--ink-soft);
    text-transform: uppercase;
    margin-bottom: 2px;
}
.scm-side-group .scm-swatches { margin-top: 0; }

/* When a section is dependent-hidden (its parent is OFF), dim it more heavily
   and make it non-interactive. */
.scm-section--dependent-hidden {
    opacity: 0.4;
    pointer-events: none;
}
.scm-section--dependent-hidden .scm-visibility-toggle button {
    cursor: not-allowed;
}

/* Swatches strip — always visible */
.scm-swatches {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}
.scm-swatches.is-hidden { display: none; }

.scm-swatch {
    display: inline-block;
    width:  var(--swatch-size);
    height: var(--swatch-size);
    border: 1px solid var(--line);
    cursor: pointer;
    position: relative;
    transition: transform .08s ease, border-color var(--t-fast);
}
.scm-swatch:hover {
    transform: scale(1.2);
    z-index: 2;
    border-color: var(--ink);
}
.scm-swatch.selected {
    outline: 2px solid var(--ink);
    outline-offset: 1px;
    z-index: 1;
}
.scm-swatch[data-color-pattern] {
    background-color: transparent !important;
}
.scm-swatch[data-color-pattern]::after {
    content: none;
    position: absolute; inset: 0;
    color: #fff;
    font-family: var(--font-mono);
    font-size: 9px;
    font-weight: 700;
    display: flex; align-items: center; justify-content: center;
}

/* Legacy detailed picker — hidden, holds the section_color[] hidden inputs */
#coloring-list { display: none; }

/* ---- SVG preview --------------------------------------------------- */
#harness-img {
    width: 100%;
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    background: var(--paper-3, #E6E6E6);
    border: 1px solid var(--line);
    padding: 8px;
}
#harness-img [data-role="mesh"],
#harness-img [data-mesh-of] {
    pointer-events: none;   /* let hover/click reach the solid backing under the mesh */
}
#harness-img [id^="sect"]:hover,
#harness-img [data-code]:hover,
#harness-img [data-role="solid"]:hover,
#harness-img #pathSpacerFoam:hover,
#harness-img #reserveD:hover,
#harness-img #reserveMiniD:hover {
    filter: brightness(0.8) drop-shadow(0 0 2px rgba(0, 0, 0, .7));
    cursor: pointer;
}

/* ---- Form fields --------------------------------------------------- */
.input-row {
    display: grid;
    grid-template-columns: 220px 1fr;
    align-items: start;
    gap: 12px 20px;
    padding: 10px 0;
    border-bottom: 1px solid var(--line-soft);
}
.input-row > label {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: var(--tracking-label);
    text-transform: uppercase;
    color: var(--muted);
    padding-top: 8px;
}
.input-row-inner {
    min-width: 0;
}
@media (max-width: 600px) {
    .input-row { grid-template-columns: 1fr; gap: 4px; padding: 12px 0; }
    .input-row > label { padding-top: 0; }
}

.input-row input[type=text],
.input-row textarea,
.input-row select {
    font-family: inherit;
    font-size: 15px;
    padding: 10px 12px;
    border: 1px solid var(--line);
    background: var(--white);
    color: var(--ink);
    width: 100%;
    max-width: 360px;
    transition: border-color var(--t-fast);
}
.input-row input[type=text]:focus,
.input-row textarea:focus,
.input-row select:focus {
    outline: none;
    border-color: var(--ink);
}
.input-row textarea { min-height: 5em; resize: vertical; max-width: 480px; }

.input-row.has-error input,
.input-row.has-error textarea,
.input-row.has-error select { border-color: var(--accent); }
.input-row .input-error {
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: var(--tracking-label);
    text-transform: uppercase;
    margin-left: 8px;
}

/* Radio buttons — clean inline rows */
.radio-label {
    display: inline-flex;
    align-items: center;
    margin-right: 18px;
    margin-bottom: 4px;
    font-size: 14px;
    cursor: pointer;
}
.radio-label input[type=radio] {
    margin-right: 6px;
    accent-color: var(--accent);
}

/* Measurement fields */
.measurement-field { max-width: 100px !important; }
.measurement-unit  {
    margin-left: 8px;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: var(--tracking-mono);
}
.measurement-converted {
    margin-left: 8px;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 11px;
    font-style: italic;
}
/* When an input row is immediately followed by a measurement-info
   explanation block, the explanation visually belongs to that row.
   Move the bottom-border from the row to the info block so the line
   appears AFTER the explanation, not between input and explanation. */
.input-row:has(+ .measurement-info) {
    border-bottom: none;
    padding-bottom: 4px;
}
.measurement-info {
    grid-column: 1 / -1;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.55;
    padding-left: 0;
    padding-top: 4px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--line-soft);
    margin-bottom: 0;
}
@media (min-width: 601px) {
    /* Indent the explanation slightly so it visually nests under the
       input rather than starting flush with the label column. */
    .measurement-info { padding-left: 240px; padding-right: 0; }
}

.measurement-diagram {
    margin: 0 0 32px;
    max-width: 900px;
    background: var(--white);
    border: 1px solid var(--line);
    padding: 16px;
}
.measurement-diagram svg,
.measurement-diagram img {
    width: 100%;
    height: auto;
    display: block;
}
@media (max-width: 600px) {
    .measurement-diagram { padding: 8px; margin-bottom: 24px; }
}

/* ---- Primary submit button ---------------------------------------- */
.product-button {
    margin-top: 32px;
    background: var(--accent);
    color: var(--white);
    border: 1px solid var(--accent);
    padding: 16px 32px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--t-fast);
}
.product-button:hover { background: var(--accent-dim); border-color: var(--accent-dim); }
.product-button:disabled { opacity: .5; cursor: not-allowed; }

.error-text {
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: var(--tracking-label);
    text-transform: uppercase;
}
ul.form-errors { color: var(--accent); }
.img-autowidht { max-width: 100%; height: auto; }

/* ---- Toast --------------------------------------------------------- */
#coloring-toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--ink);
    color: var(--paper);
    padding: 12px 20px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s, transform .2s;
    z-index: 1000;
}
#coloring-toast.visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ---- Print --------------------------------------------------------- */
@media print {
    #coloring-toolbar, #page-tabs, #sections-list,
    #order-page, .product-button, .page-header,
    #rig-selector, .back-to-site { display: none !important; }
    #harness-img { border: none; }
}

/* ---- Model-specific options (Batch D2) ----------------------------- */
/* Locked radio labels: visually distinct from selectable radios so it
   reads as intentionally fixed rather than broken. The hidden input
   beside them carries the locked value back to the server. */
.radio-label.is-locked {
    opacity: 0.7;
    cursor: not-allowed;
}
.radio-label.is-locked input[type="radio"] {
    cursor: not-allowed;
}
.radio-label.is-locked input[type="radio"]:checked + * ,
.radio-label.is-locked:has(input:checked) {
    opacity: 1;
    color: var(--ink, #111);
    font-weight: 600;
}

/* Conditional rows (e.g. extended chest strap length) need to honor the
   show/hide style applied inline by JS without leaking layout. */
[data-show-when] {
    transition: opacity .15s ease-in-out;
}

/* Rig options fieldset wrapper: reset the browser's default fieldset
   chrome so it visually integrates with the existing form layout. The
   <fieldset disabled> wrapper is structural — it enforces "only one
   rig posts" without us having to flip disabled on individual inputs. */
fieldset.rig-options-fieldset {
    border: 0;
    margin: 0;
    padding: 0;
    min-width: 0; /* prevents fieldset's odd min-width: min-content */
}

/* ---- Student bulk-order qty total (Batch D3) ---------------------- */
.measurement-info.student-qty-total {
    margin-top: 18px;
    padding-top: 12px;
    border-top: 1px solid var(--rule, #d0d0d0);
    font-weight: 600;
}
.measurement-info.student-qty-total [data-student-qty-total] {
    font-family: var(--font-mono, monospace);
    margin-left: 4px;
}

/* ---- Compact canopy row (Batch D4) -------------------------------- */
.input-row.text-plus-size-row .text-plus-size-name {
    margin-right: 10px;
}
.input-row.text-plus-size-row .text-plus-size-size {
    margin-right: 6px;
}

/* ---- Page navigation buttons (Batch D4) --------------------------- */
.page-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-top: 32px;
    padding-top: 20px;
    border-top: 1px solid var(--rule, #d0d0d0);
}
.page-nav-left {
    display: flex;
    gap: 10px;
    align-items: stretch;
}
.page-nav-spacer {
    flex: 1;
}
.page-nav-btn {
    font-family: var(--font-mono, monospace);
    font-size: 12px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 10px 18px;
    border: 1px solid var(--ink, #111);
    background: var(--paper, #fff);
    color: var(--ink, #111);
    cursor: pointer;
    transition: background .15s, color .15s;
    line-height: 1.2;
}
.page-nav-btn:hover {
    background: var(--ink, #111);
    color: var(--paper, #fff);
}
/* Request Quote (the .product-button) sits in the page-nav alongside
   the outline Back/Next buttons. Normalize its size + remove its own
   top-margin so the row sits flat and the two buttons match in height. */
.page-nav .product-button {
    margin-top: 0;
    padding: 10px 28px;
    font-size: 12px;
    letter-spacing: 0.06em;
    line-height: 1.2;
}
@media (max-width: 600px) {
    .page-nav {
        flex-direction: column-reverse;
        align-items: stretch;
    }
    .page-nav-left {
        flex-direction: column;
    }
    .page-nav-btn,
    .page-nav .product-button {
        width: 100%;
        text-align: center;
    }
}


/* ---- Measurement "how to measure yourself" video (placeholder) ---- */
.measurement-video { margin: 0 0 18px; }
.measurement-video-thumb {
    position: relative;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center; gap: 10px;
    width: 100%; max-width: 340px; aspect-ratio: 16 / 9;
    border: 1px solid var(--line); border-radius: 10px;
    background: var(--paper-2); color: var(--ink);
    cursor: pointer; font: inherit; overflow: hidden;
    transition: background .15s ease;
}
.measurement-video-thumb:hover { background: var(--paper-3); }
.measurement-video-play {
    width: 46px; height: 46px; border-radius: 50%;
    background: var(--accent);
    display: flex; align-items: center; justify-content: center;
}
.measurement-video-play::before {
    content: ""; border-style: solid;
    border-width: 8px 0 8px 14px;
    border-color: transparent transparent transparent #fff;
    margin-left: 3px;
}
.measurement-video-title { font-weight: 600; font-size: 14px; }
.measurement-video-player { width: 100%; max-width: 340px; border-radius: 10px; display: block; background: #000; }

/* ---- Cordura 1000 camo swatches (show the real pattern image) ---- */
.scm-swatch[data-color-pattern="#patternDesert"],
.fill-all-swatch[data-color-pattern="#patternDesert"]   { background-image: url(desert-pattern.png);   background-size: cover; background-color: transparent !important; }
.scm-swatch[data-color-pattern="#patternMarpat"],
.fill-all-swatch[data-color-pattern="#patternMarpat"]   { background-image: url(marpat-pattern.png);   background-size: cover; background-color: transparent !important; }
.scm-swatch[data-color-pattern="#patternWoodland"],
.fill-all-swatch[data-color-pattern="#patternWoodland"] { background-image: url(woodland-pattern.png); background-size: cover; background-color: transparent !important; }
.scm-swatch[data-color-pattern="#patternDesert"]::after,
.scm-swatch[data-color-pattern="#patternMarpat"]::after,
.scm-swatch[data-color-pattern="#patternWoodland"]::after,
.fill-all-swatch[data-color-pattern="#patternDesert"]::after,
.fill-all-swatch[data-color-pattern="#patternMarpat"]::after,
.fill-all-swatch[data-color-pattern="#patternWoodland"]::after { content: none; }