/*
 * Companies House Search — base styles.
 * No color-mix(), no :has() on browsers that break it,
 * all CSS variables defined with explicit fallbacks.
 * Theme files override the defaults via higher-specificity selectors.
 */

/* ====================================================================
   ROOT VARIABLES (default = classic / light theme)
   ==================================================================== */
.chs-widget {
    --chs-bg:          #ffffff;
    --chs-surface:     #f7f7f9;
    --chs-panel:       #ffffff;
    --chs-panel-2:     #f3f4f6;
    --chs-border:      #d8d8e0;
    --chs-border-2:    #c8c8d5;
    --chs-text:        #1a1a2e;
    --chs-text-dim:    #5b5b72;
    --chs-text-mute:   #8a8ba0;
    --chs-accent:      #0b3d91;
    --chs-accent-ink:  #ffffff;
    --chs-accent-hover:#092f70;
    --chs-success-bg:  #e8f5ee;
    --chs-success-text:#0a5c2e;
    --chs-danger-bg:   #fdecec;
    --chs-danger-text: #8a1c1c;
    --chs-warn-bg:     #fff6e0;
    --chs-warn-text:   #8a5a00;

    --chs-font-sans:    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --chs-font-mono:    ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    --chs-font-display: var(--chs-font-sans);

    --chs-radius:    10px;
    --chs-radius-sm: 6px;
    --chs-shadow:    0 2px 10px rgba(15,23,42,0.06);
    --chs-focus-ring:0 0 0 3px rgba(11,61,145,0.18);

    max-width: 760px;
    margin: 1.5rem 0;
    font-family: var(--chs-font-sans);
    color: var(--chs-text);
    line-height: 1.5;
    box-sizing: border-box;
}
.chs-widget *, .chs-widget *::before, .chs-widget *::after { box-sizing: border-box; }
.chs-widget h1,.chs-widget h2,.chs-widget h3,.chs-widget h4 { font-family: var(--chs-font-display); }

/* ====================================================================
   TABS
   ==================================================================== */
.chs-tabs {
    display: flex;
    border-bottom: 1px solid var(--chs-border);
    margin-bottom: 1rem;
}
.chs-tab {
    background: transparent;
    border: 0;
    border-bottom: 2px solid transparent;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    font-weight: 500;
    font-family: inherit;
    color: var(--chs-text-dim);
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s;
    margin-bottom: -1px;
}
.chs-tab:hover { color: var(--chs-text); }
.chs-tab--active { color: var(--chs-accent); border-bottom-color: var(--chs-accent); }

/* ====================================================================
   INPUT + SUBMIT
   ==================================================================== */
.chs-form { margin-bottom: 1rem; }
.chs-input-row { display: flex; gap: 0.5rem; align-items: stretch; }
.chs-input {
    flex: 1 1 auto;
    min-width: 0;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-family: inherit;
    border: 1px solid var(--chs-border);
    border-radius: var(--chs-radius);
    background: var(--chs-bg);
    color: var(--chs-text);
    transition: border-color 0.15s, box-shadow 0.15s;
    line-height: 1.4;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.chs-input:focus {
    outline: none;
    border-color: var(--chs-accent);
    box-shadow: var(--chs-focus-ring);
}
.chs-input::placeholder { color: var(--chs-text-mute); text-transform: none; letter-spacing: 0; }

.chs-submit {
    position: relative;
    padding: 0 1.25rem;
    min-width: 110px;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: inherit;
    color: var(--chs-accent-ink);
    background: var(--chs-accent);
    border: 0;
    border-radius: var(--chs-radius);
    cursor: pointer;
    transition: background 0.15s, filter 0.15s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.chs-submit:hover:not([disabled]) { background: var(--chs-accent-hover); }
.chs-submit[disabled] { cursor: progress; opacity: 0.8; }

/* spinner */
.chs-spinner {
    display: none;
    width: 16px; height: 16px;
    border: 2px solid rgba(255,255,255,0.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: chs-spin 0.7s linear infinite;
}
.chs-submit.is-loading .chs-submit__label { visibility: hidden; }
.chs-submit.is-loading .chs-spinner {
    display: block;
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%,-50%);
}
@keyframes chs-spin { to { transform: translate(-50%,-50%) rotate(360deg); } }

.chs-active-mode { margin-top: 0.5rem; font-size: 0.85rem; color: var(--chs-text-dim); }

/* ====================================================================
   SUFFIX PICKER
   ==================================================================== */
.chs-suffix {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.65rem;
    flex-wrap: wrap;
}
.chs-suffix__label { font-size: 0.9rem; font-weight: 500; color: var(--chs-text-dim); }
.chs-suffix__opt {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.25rem 0.7rem;
    border: 1px solid var(--chs-border);
    border-radius: 999px;
    cursor: pointer;
    background: var(--chs-bg);
    color: var(--chs-text);
    user-select: none;
    transition: border-color 0.15s, background 0.15s, color 0.15s;
    font-size: 0.9rem;
}
.chs-suffix__opt:hover { border-color: var(--chs-accent); }
.chs-suffix__opt input[type="radio"] { margin: 0; accent-color: var(--chs-accent); }
/* CSS-first checked state — works without JS */
.chs-suffix__opt:has(input:checked),
.chs-suffix__opt.is-checked {
    border-color: var(--chs-accent);
    background: #e8eef8;   /* explicit: approx accent at 10% opacity on white */
    color: var(--chs-accent);
    font-weight: 600;
}

/* ====================================================================
   RESULTS LIST
   ==================================================================== */
.chs-results:empty { display: none; }
.chs-results { margin-top: 1rem; display: flex; flex-direction: column; gap: 0.75rem; }
.chs-results__count { font-size: 0.85rem; color: var(--chs-text-dim); margin: 0 0 0.25rem; }

.chs-result {
    padding: 1rem 1.1rem;
    background: var(--chs-surface);
    border: 1px solid var(--chs-border);
    border-radius: var(--chs-radius);
}
.chs-result__title { margin: 0 0 0.4rem; font-size: 1.05rem; font-weight: 600; color: var(--chs-text); }
.chs-result__title a { color: inherit; text-decoration: none; border-bottom: 1px dotted var(--chs-border-2); }
.chs-result__title a:hover { color: var(--chs-accent); border-bottom-color: var(--chs-accent); }
.chs-result__meta { display: grid; grid-template-columns: auto 1fr; gap: 0.25rem 1rem; font-size: 0.9rem; margin: 0; }
.chs-result__meta dt { color: var(--chs-text-dim); font-weight: 500; }
.chs-result__meta dd { margin: 0; color: var(--chs-text); word-break: break-word; }

/* Status pills — no color-mix, explicit colours */
.chs-status-pill {
    display: inline-block;
    padding: 0.1rem 0.55rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    background: #e8e8f0;
    color: var(--chs-text);
}
.chs-status-pill--active    { background: var(--chs-success-bg); color: var(--chs-success-text); }
.chs-status-pill--dissolved { background: var(--chs-danger-bg);  color: var(--chs-danger-text); }
.chs-status-pill--warn      { background: var(--chs-warn-bg);    color: var(--chs-warn-text); }

/* ====================================================================
   AVAILABILITY BANNER
   ==================================================================== */
.chs-avail {
    padding: 1rem 1.15rem;
    border-radius: var(--chs-radius);
    border: 1px solid transparent;
}
.chs-avail__header {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 600;
    font-size: 1.05rem;
    margin-bottom: 0.4rem;
}
.chs-avail__icon {
    width: 22px; height: 22px;
    display: inline-flex;
    align-items: center; justify-content: center;
    border-radius: 50%;
    font-size: 0.85rem; font-weight: 700;
    flex: 0 0 auto;
}
.chs-avail__note { font-size: 0.9rem; margin: 0; }
.chs-avail__query { display: inline-block; font-weight: 600; padding: 0 0.25rem; }

/* Available — explicit border colour (was color-mix) */
.chs-avail--available {
    background: var(--chs-success-bg);
    border-color: #9dcfb0;   /* ~30% success-text on success-bg */
    color: var(--chs-success-text);
}
.chs-avail--available .chs-avail__icon { background: var(--chs-success-text); color: #fff; }

/* Taken */
.chs-avail--taken {
    background: var(--chs-danger-bg);
    border-color: #e8a4a4;   /* ~30% danger-text on danger-bg */
    color: var(--chs-danger-text);
}
.chs-avail--taken .chs-avail__icon { background: var(--chs-danger-text); color: #fff; }

/* Inconclusive */
.chs-avail--inconclusive {
    background: var(--chs-warn-bg);
    border-color: #e0c878;   /* ~30% warn-text on warn-bg */
    color: var(--chs-warn-text);
}
.chs-avail--inconclusive .chs-avail__icon { background: var(--chs-warn-text); color: #fff; }

.chs-avail__matches {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(0,0,0,0.1);
    color: var(--chs-text);
}
.chs-avail__matches-title { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--chs-text-dim); margin: 0 0 0.5rem; }
.chs-avail__footnote { margin-top: 0.75rem; font-size: 0.8rem; color: var(--chs-text-dim); line-height: 1.45; }

/* ====================================================================
   UTILITY: error, empty, disclaimer
   ==================================================================== */
.chs-error {
    padding: 0.85rem 1rem;
    background: var(--chs-danger-bg);
    border: 1px solid #e8a4a4;
    color: var(--chs-danger-text);
    border-radius: var(--chs-radius);
    font-size: 0.95rem;
}
.chs-empty {
    padding: 1rem;
    text-align: center;
    color: var(--chs-text-dim);
    background: var(--chs-surface);
    border: 1px dashed var(--chs-border);
    border-radius: var(--chs-radius);
}
.chs-disclaimer { margin-top: 1rem; font-size: 0.75rem; color: var(--chs-text-mute); }
.chs-disclaimer a { color: var(--chs-text-mute); text-decoration: underline; }

/* ====================================================================
   REGISTER NOW CTA
   ==================================================================== */
.chs-avail__cta { margin-top: 1rem; }
.chs-submit--cta {
    min-height: 46px;
    padding: 0 1.6rem;
    font-size: 1rem;
    font-weight: 600;
    background: var(--chs-success-text);
    color: #fff;
    border-radius: var(--chs-radius);
    box-shadow: 0 2px 8px rgba(10,92,46,0.22);
    transition: filter 0.15s, transform 0.15s;
}
.chs-submit--cta:hover { filter: brightness(1.1); color: #fff; transform: translateY(-1px); }

/* ====================================================================
   REVIEW PAGE — stepper
   ==================================================================== */
.chs-stepper {
    list-style: none;
    margin: 0 0 1.5rem;
    padding: 0;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}
.chs-stepper__item {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.85rem;
    color: var(--chs-text-mute);
    padding-right: 1rem;
}
.chs-stepper__item::after {
    content: "";
    display: inline-block;
    width: 20px; height: 1px;
    background: var(--chs-border);
    margin-left: 0.4rem;
}
.chs-stepper__item:last-child { padding-right: 0; }
.chs-stepper__item:last-child::after { display: none; }
.chs-stepper__bullet {
    width: 24px; height: 24px;
    display: inline-flex;
    align-items: center; justify-content: center;
    background: var(--chs-panel-2);
    color: var(--chs-text-mute);
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 600;
    font-family: var(--chs-font-mono);
    border: 1px solid var(--chs-border);
    flex: 0 0 auto;
}
.chs-stepper__item.is-current .chs-stepper__bullet,
.chs-stepper__item.is-done    .chs-stepper__bullet {
    background: var(--chs-accent);
    color: var(--chs-accent-ink);
    border-color: var(--chs-accent);
}
.chs-stepper__item.is-current { color: var(--chs-text); font-weight: 500; }
.chs-stepper__item.is-done    { color: var(--chs-text-dim); }
.chs-stepper__item.is-hidden  { display: none !important; }

/* ====================================================================
   REVIEW PAGE — cards
   ==================================================================== */
.chs-card {
    background: var(--chs-panel);
    border: 1px solid var(--chs-border);
    border-radius: var(--chs-radius);
    padding: 1.25rem 1.4rem;
    margin-bottom: 1rem;
}
.chs-card.is-hidden { display: none !important; }
.chs-card__head { margin-bottom: 1rem; }
.chs-card__title { margin: 0 0 0.15rem; font-size: 1.1rem; font-weight: 600; color: var(--chs-text); }
.chs-card__sub   { margin: 0; color: var(--chs-text-dim); font-size: 0.9rem; }
.chs-card--summary { background: var(--chs-surface); }
.chs-card--summary .chs-review__title { margin: 0; font-size: 1.75rem; font-weight: 600; line-height: 1.15; }
.chs-card--summary .chs-review__eyebrow { margin: 0 0 0.2rem; }

@keyframes chs-flash-attention {
    0%,100% { box-shadow: none; }
    50%      { box-shadow: 0 0 0 4px rgba(239,68,68,0.3); }
}
.chs-card.chs-needs-attention { animation: chs-flash-attention 0.6s ease-in-out 2; border-color: #ef4444; }

/* ====================================================================
   REVIEW PAGE — package cards (radio)
   ==================================================================== */
.chs-packages { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2,1fr); gap: 0.75rem; }
.chs-packages > li { margin: 0; }
.chs-package {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    padding: 1rem 1.1rem;
    background: var(--chs-panel);
    border: 1px solid var(--chs-border);
    border-radius: var(--chs-radius);
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
    position: relative;
    height: 100%;
}
.chs-package:hover { border-color: var(--chs-border-2); }
/* CSS-first selected state — no JS required */
.chs-package:has(.chs-package__input:checked),
.chs-package.is-selected {
    border-color: var(--chs-accent);
    background: #edf1fa;   /* explicit: ~6% accent on white */
    box-shadow: 0 0 0 1px var(--chs-accent);
}
.chs-package__input { position: absolute; width: 1px; height: 1px; opacity: 0; margin: 0; }
.chs-package__check {
    width: 22px; height: 22px;
    border-radius: 50%;
    border: 1.5px solid var(--chs-border-2);
    display: inline-flex; align-items: center; justify-content: center;
    color: transparent;
    flex: 0 0 auto; margin-top: 0.1rem;
    transition: all 0.15s;
    pointer-events: none;
}
.chs-package__check svg { width: 12px; height: 12px; }
.chs-package:has(.chs-package__input:checked) .chs-package__check,
.chs-package.is-selected .chs-package__check {
    background: var(--chs-accent);
    border-color: var(--chs-accent);
    color: var(--chs-accent-ink);
}
.chs-package__body { flex: 1 1 auto; min-width: 0; }
.chs-package__name {
    display: block;
    font-weight: 600; font-size: 1rem;
    color: var(--chs-text); margin-bottom: 0.15rem;
}
.chs-package:has(.chs-package__input:checked) .chs-package__name,
.chs-package.is-selected .chs-package__name { color: var(--chs-accent); }
.chs-package__desc { display: block; color: var(--chs-text-dim); font-size: 0.85rem; line-height: 1.4; }
.chs-package__price { flex: 0 0 auto; font-weight: 600; font-size: 0.95rem; color: var(--chs-text); text-align: right; white-space: nowrap; }
.chs-package__price del { font-size: 0.8rem; opacity: 0.6; display: block; }

/* ====================================================================
   REVIEW PAGE — add-on cards (checkbox)
   ==================================================================== */
.chs-addons { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.55rem; }
.chs-addon {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    padding: 0.9rem 1.1rem;
    background: var(--chs-panel);
    border: 1px solid var(--chs-border);
    border-radius: var(--chs-radius);
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
    position: relative;
}
.chs-addon:hover { border-color: var(--chs-border-2); }
.chs-addon:has(.chs-addon__input:checked),
.chs-addon.is-selected {
    border-color: var(--chs-accent);
    background: #edf1fa;
}
/* The checkbox — visually hidden but accessible */
.chs-addon__input { position: absolute; width: 1px; height: 1px; opacity: 0; margin: 0; }
.chs-addon__check {
    width: 22px; height: 22px;
    border-radius: 50%;
    border: 1.5px solid var(--chs-border-2);
    display: inline-flex; align-items: center; justify-content: center;
    color: transparent;
    flex: 0 0 auto; margin-top: 0.1rem;
    transition: all 0.15s;
    pointer-events: none;
}
.chs-addon__check svg { width: 12px; height: 12px; }
.chs-addon:has(.chs-addon__input:checked) .chs-addon__check,
.chs-addon.is-selected .chs-addon__check {
    background: var(--chs-accent);
    border-color: var(--chs-accent);
    color: var(--chs-accent-ink);
}
.chs-addon__body { flex: 1 1 auto; min-width: 0; }
.chs-addon__name  { display: block; font-weight: 600; font-size: 0.98rem; color: var(--chs-text); margin-bottom: 0.15rem; }
.chs-addon__desc  { display: block; color: var(--chs-text-dim); font-size: 0.85rem; line-height: 1.4; }
.chs-addon__price { flex: 0 0 auto; font-weight: 600; font-size: 0.95rem; color: var(--chs-text); text-align: right; white-space: nowrap; }

/* ====================================================================
   REVIEW PAGE — office selector
   ==================================================================== */
@keyframes chs-card-reveal { from { opacity:0; transform:translateY(8px); } to { opacity:1; transform:none; } }
.chs-card--office { animation: chs-card-reveal 0.3s ease; }

.chs-offices { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.75rem; }
.chs-office {
    display: flex;
    gap: 1rem;
    padding: 1rem 1.1rem;
    background: var(--chs-panel);
    border: 1px solid var(--chs-border);
    border-radius: var(--chs-radius);
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
    position: relative;
    align-items: stretch;
}
.chs-office:hover { border-color: var(--chs-border-2); }
.chs-office:has(.chs-office__input:checked),
.chs-office.is-selected {
    border-color: var(--chs-accent);
    background: #edf1fa;
    box-shadow: 0 0 0 1px var(--chs-accent);
}
.chs-office__input { position: absolute; width: 1px; height: 1px; opacity: 0; margin: 0; }
.chs-office__body  { flex: 1 1 auto; min-width: 0; }
.chs-office__name  { margin: 0 0 0.4rem; font-weight: 600; color: var(--chs-text); font-size: 1rem; }
.chs-office__address {
    display: flex; flex-direction: column; gap: 0.05rem;
    font-size: 0.9rem; color: var(--chs-text-dim); line-height: 1.4; margin-bottom: 0.6rem;
}
.chs-office__details { margin-top: 0.6rem; font-size: 0.85rem; }
.chs-office__details summary { cursor: pointer; color: var(--chs-accent); font-weight: 500; text-decoration: underline; }
.chs-office__longdesc {
    margin-top: 0.5rem; padding: 0.75rem;
    background: var(--chs-panel-2);
    border-radius: var(--chs-radius-sm);
    font-size: 0.88rem; color: var(--chs-text-dim); line-height: 1.5;
}
.chs-office__thumb {
    width: 140px; flex: 0 0 140px;
    position: relative; border-radius: var(--chs-radius-sm); overflow: hidden;
}
.chs-office__thumb img { display: block; width: 100%; height: 100%; object-fit: cover; }
.chs-office__tick {
    position: absolute; top: 8px; right: 8px;
    width: 26px; height: 26px;
    background: rgba(255,255,255,0.92);
    border-radius: 50%;
    display: inline-flex; align-items: center; justify-content: center;
    color: transparent; border: 1.5px solid var(--chs-border);
    transition: all 0.15s;
}
.chs-office__tick svg { width: 14px; height: 14px; }
.chs-office:has(.chs-office__input:checked) .chs-office__tick,
.chs-office.is-selected .chs-office__tick {
    background: var(--chs-accent);
    border-color: var(--chs-accent);
    color: var(--chs-accent-ink);
}

/* ====================================================================
   REVIEW PAGE — old-style single-product included line
   ==================================================================== */
.chs-review__line {
    display: flex; align-items: flex-start; justify-content: space-between;
    gap: 1rem; padding: 1rem 1.15rem;
    background: var(--chs-surface); border: 1px solid var(--chs-border);
    border-radius: var(--chs-radius); margin-bottom: 0.7rem;
}
.chs-review__line--included {
    background: #eaf4ed;   /* explicit: ~success-bg slightly deeper */
    border-color: #9dcfb0;
}
.chs-review__line-main  { display: flex; align-items: flex-start; gap: 0.75rem; flex: 1 1 auto; min-width: 0; }
.chs-review__line-title { margin: 0; font-weight: 600; color: var(--chs-text); font-size: 1rem; }
.chs-review__line-desc  { margin: 0.2rem 0 0; font-size: 0.88rem; color: var(--chs-text-dim); line-height: 1.4; }
.chs-review__line-price { font-weight: 600; color: var(--chs-text); white-space: nowrap; }
.chs-review__line-price del { opacity: 0.6; font-weight: 400; margin-right: 0.3rem; }
.chs-review__line-price ins { text-decoration: none; }
.chs-review__included-badge {
    flex: 0 0 auto; align-self: flex-start;
    padding: 0.15rem 0.55rem; font-size: 0.72rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.05em;
    color: #fff; background: var(--chs-success-text); border-radius: 999px;
}
.chs-review__eyebrow {
    margin: 0 0 0.25rem; font-size: 0.75rem;
    text-transform: uppercase; letter-spacing: 0.08em;
    color: var(--chs-accent); font-weight: 600;
}
.chs-review__title    { margin: 0 0 0.25rem; font-size: 1.6rem; line-height: 1.2; color: var(--chs-text); word-break: break-word; }
.chs-review__subtitle { margin: 0; color: var(--chs-text-dim); font-size: 0.95rem; }
.chs-review__form     { margin: 0; }
.chs-review__addons-title { margin: 1.25rem 0 0.5rem; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--chs-text-dim); font-weight: 600; }
.chs-review__addons   { list-style: none; margin: 0; padding: 0; }
.chs-review__footer   { margin-top: 1.25rem; text-align: center; }
.chs-submit--wide     { width: 100%; max-width: 360px; min-height: 50px; font-size: 1.05rem; }
.chs-review__footnote { margin: 0.6rem 0 0; font-size: 0.8rem; color: var(--chs-text-dim); }

/* ====================================================================
   DOCUMENT UPLOAD FIELDS
   ==================================================================== */
.chs-uploads { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 1rem; }
.chs-upload-field { display: flex; flex-direction: column; gap: 0.35rem; }
.chs-upload-field__label { font-weight: 600; font-size: 0.95rem; color: var(--chs-text); display: flex; align-items: center; gap: 0.25rem; }
.chs-upload-field__req   { color: var(--chs-danger-text); font-weight: 700; }
.chs-upload-field__zone {
    position: relative;
    display: flex; align-items: center; justify-content: center;
    min-height: 90px; padding: 1.25rem 1rem;
    border: 2px dashed var(--chs-border);
    border-radius: var(--chs-radius);
    background: var(--chs-surface);
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
    overflow: hidden;
}
.chs-upload-field__zone:hover,
.chs-upload-field__zone.is-dragging { border-color: var(--chs-accent); background: #edf1fa; }
.chs-upload-field__zone.has-file    { border-style: solid; border-color: var(--chs-success-text); background: var(--chs-success-bg); }
.chs-upload-field__zone.has-error   { border-style: solid; border-color: var(--chs-danger-text);  background: var(--chs-danger-bg); }
.chs-upload-field__input { position: absolute; width: 1px; height: 1px; opacity: 0; left: 0; top: 0; pointer-events: none; }
.chs-upload-field__placeholder { display: flex; flex-direction: column; align-items: center; gap: 0.4rem; pointer-events: none; color: var(--chs-text-dim); text-align: center; }
.chs-upload-field__zone.has-file .chs-upload-field__placeholder svg,
.chs-upload-field__zone.has-file .chs-upload-field__placeholder-text { display: none; }
.chs-upload-field__placeholder svg    { color: var(--chs-text-mute); }
.chs-upload-field__placeholder-text   { font-size: 0.88rem; color: var(--chs-text-dim); }
.chs-upload-field__file-name          { font-size: 0.88rem; font-weight: 500; color: var(--chs-success-text); word-break: break-all; }
.chs-upload-field__zone.has-error .chs-upload-field__file-name { color: var(--chs-danger-text); }
.chs-upload-field__hint               { font-size: 0.78rem; color: var(--chs-text-mute); margin: 0; }

/* ====================================================================
   BUILT-IN FORM (contact / intake)
   ==================================================================== */
.chs-form-widget {
    max-width: 640px;
    margin: 1.5rem 0;
    font-family: var(--chs-font-sans);
    color: var(--chs-text);
    line-height: 1.5;
}
.chs-form-widget *, .chs-form-widget *::before, .chs-form-widget *::after { box-sizing: border-box; }
.chs-form-widget h2 { margin: 0 0 0.25rem; font-size: 1.3rem; font-weight: 600; }
.chs-form-widget .chs-form-desc { margin: 0 0 1.25rem; color: var(--chs-text-dim); font-size: 0.95rem; }

.chs-form-field { display: flex; flex-direction: column; gap: 0.3rem; margin-bottom: 0.85rem; }
.chs-form-field label { font-size: 0.92rem; font-weight: 600; color: var(--chs-text); }
.chs-form-field .chs-form-req { color: var(--chs-danger-text); margin-left: 2px; }
.chs-form-field input[type="text"],
.chs-form-field input[type="email"],
.chs-form-field input[type="tel"],
.chs-form-field input[type="number"],
.chs-form-field input[type="date"],
.chs-form-field select,
.chs-form-field textarea {
    padding: 0.7rem 0.9rem;
    font-size: 0.95rem;
    font-family: inherit;
    border: 1px solid var(--chs-border);
    border-radius: var(--chs-radius);
    background: var(--chs-bg);
    color: var(--chs-text);
    transition: border-color 0.15s, box-shadow 0.15s;
    width: 100%;
}
.chs-form-field input:focus,
.chs-form-field select:focus,
.chs-form-field textarea:focus {
    outline: none;
    border-color: var(--chs-accent);
    box-shadow: var(--chs-focus-ring);
}
.chs-form-field textarea { resize: vertical; min-height: 100px; }
.chs-form-field .chs-form-hint { font-size: 0.8rem; color: var(--chs-text-mute); margin: 0; }
.chs-form-field .chs-field-error { font-size: 0.82rem; color: var(--chs-danger-text); margin: 0; display: none; }
.chs-form-field.has-error input,
.chs-form-field.has-error select,
.chs-form-field.has-error textarea { border-color: var(--chs-danger-text); }
.chs-form-field.has-error .chs-field-error { display: block; }

/* Checkbox / radio lists */
.chs-form-choices { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.3rem; }
.chs-form-choices li label { display: flex; align-items: center; gap: 0.5rem; font-weight: 400; font-size: 0.95rem; cursor: pointer; }
.chs-form-choices input[type="checkbox"],
.chs-form-choices input[type="radio"] { accent-color: var(--chs-accent); width: 16px; height: 16px; }

/* Submit row */
.chs-form-submit-row { margin-top: 1.1rem; }
.chs-form-btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 0.75rem 2rem;
    font-size: 1rem; font-weight: 600; font-family: inherit;
    background: var(--chs-accent); color: var(--chs-accent-ink);
    border: 0; border-radius: var(--chs-radius);
    cursor: pointer; transition: background 0.15s, filter 0.15s;
}
.chs-form-btn:hover { background: var(--chs-accent-hover); }
.chs-form-btn[disabled] { opacity: 0.7; cursor: not-allowed; }

/* Success / error messages */
.chs-form-success {
    padding: 1rem 1.15rem;
    background: var(--chs-success-bg);
    border: 1px solid #9dcfb0;
    color: var(--chs-success-text);
    border-radius: var(--chs-radius);
    font-size: 0.95rem;
    display: none;
}
.chs-form-error-msg {
    padding: 0.85rem 1rem;
    background: var(--chs-danger-bg);
    border: 1px solid #e8a4a4;
    color: var(--chs-danger-text);
    border-radius: var(--chs-radius);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    display: none;
}

/* ====================================================================
   RESPONSIVE
   ==================================================================== */
@media (max-width: 520px) {
    .chs-input-row { flex-direction: column; }
    .chs-submit { width: 100%; padding: 0.75rem; min-height: 44px; }
    .chs-result__meta { grid-template-columns: 1fr; }
    .chs-result__meta dt { font-size: 0.8rem; margin-top: 0.25rem; }
    .chs-review__line { flex-direction: column; gap: 0.5rem; }
    .chs-review__line-price { align-self: flex-end; }
    .chs-packages { grid-template-columns: 1fr; }
    .chs-office { flex-direction: column-reverse; }
    .chs-office__thumb { width: 100%; flex: 0 0 auto; height: 180px; }
    .chs-stepper__item { font-size: 0.75rem; padding-right: 0.6rem; }
    .chs-stepper__item::after { width: 10px; }
    .chs-stepper__label { display: none; }
}