/* ============================================================================
 *  Конфигуратор Айти-Шлюз v4 — Servermall-style (3 колонки, без 3D-визуализации)
 *  Селектор тёмной темы: [data-theme="dark"] (как в styles.css).
 * ========================================================================= */

/* ── Section shell ───────────────────────────────────────────────────────── */

.configurator-v3 {
    position: relative;
    padding: 120px 0 140px;
    overflow: hidden;
    isolation: isolate;
}
.configurator-v3 .cfg-bg {
    position: absolute; inset: 0; pointer-events: none; z-index: -1;
}
.cfg-grid {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(44, 194, 149, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(44, 194, 149, 0.045) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.75) 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.75) 0%, transparent 70%);
}
.cfg-orb {
    position: absolute;
    width: 520px; height: 520px;
    border-radius: 50%;
    filter: blur(80px); opacity: .35;
    animation: cfgOrbFloat 22s ease-in-out infinite;
}
.cfg-orb-1 {
    top: -120px; left: -100px;
    background: radial-gradient(circle, rgba(44, 194, 149, 0.45) 0%, transparent 65%);
}
.cfg-orb-2 {
    bottom: -160px; right: -80px;
    background: radial-gradient(circle, rgba(0, 223, 130, 0.35) 0%, transparent 65%);
    animation-delay: -8s;
}
@keyframes cfgOrbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50%      { transform: translate(40px, -30px) scale(1.06); }
}
[data-theme="dark"] .cfg-orb-1 { background: radial-gradient(circle, rgba(44, 194, 149, 0.55) 0%, transparent 65%); }
[data-theme="dark"] .cfg-orb-2 { background: radial-gradient(circle, rgba(0, 223, 130, 0.45) 0%, transparent 65%); }

/* ── Header ──────────────────────────────────────────────────────────────── */

.configurator-v3 .cfg-header {
    text-align: left;
    max-width: 1320px;
    margin: 0 auto 32px;
}
.configurator-v3 .cfg-header .section-title {
    margin: 10px 0 12px;
    font-size: clamp(28px, 4vw, 44px);
    line-height: 1.1;
}

.cfg-head-features {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
    margin-top: 18px;
}
.cfg-head-feature {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--color-dark-700, #334155);
}
.cfg-head-feature svg {
    width: 22px; height: 22px;
    color: var(--color-primary-500, #2CC295);
    flex-shrink: 0;
}
.cfg-head-feature strong {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-dark-900, #0f172a);
    line-height: 1.2;
}
.cfg-head-feature span {
    font-size: 12.5px;
    color: var(--color-gray, #64748b);
}
[data-theme="dark"] .cfg-head-feature strong { color: var(--color-light-100, #F1F7F7); }
[data-theme="dark"] .cfg-head-feature span { color: var(--color-light-300, #aac9c2); }
[data-theme="dark"] .cfg-head-feature svg { color: var(--color-accent, #00DF82); }

/* ── 3-column shell ──────────────────────────────────────────────────────── */

.cfg-shell {
    max-width: 1320px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr) 340px;
    gap: 20px;
    align-items: stretch;
}

@media (max-width: 1200px) {
    .cfg-shell { grid-template-columns: 220px minmax(0, 1fr) 300px; }
}
@media (max-width: 1024px) {
    .cfg-shell {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

/* ── LEFT sidebar: steps ─────────────────────────────────────────────────── */

.cfg-steps {
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 20px;
    padding: 20px 16px 16px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    display: flex;
    flex-direction: column;
    gap: 14px;
    position: sticky;
    top: 100px;
    align-self: start;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
}
[data-theme="dark"] .cfg-steps {
    background: rgba(8, 28, 26, 0.72);
    border-color: rgba(148, 212, 196, 0.15);
}

.cfg-quick-pick {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 10px 12px;
    background: linear-gradient(135deg, rgba(44, 194, 149, 0.08), rgba(0, 223, 130, 0.03));
    border: 1px dashed rgba(44, 194, 149, 0.35);
    border-radius: 12px;
}
.cfg-quick-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-primary-600, #17876e);
    letter-spacing: .01em;
}
.cfg-quick-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border: none;
    background: var(--color-primary-500, #2CC295);
    color: #fff;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: transform .15s ease, background .2s ease;
}
.cfg-quick-btn svg { width: 13px; height: 13px; }
.cfg-quick-btn:hover { transform: translateY(-1px); background: var(--color-primary-600, #17876e); }
[data-theme="dark"] .cfg-quick-label { color: var(--color-accent, #00DF82); }
[data-theme="dark"] .cfg-quick-btn {
    background: var(--color-accent, #00DF82);
    color: var(--color-dark-900, #030F0F);
}

.cfg-step-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.cfg-step-item {
    position: relative;
    display: grid;
    grid-template-columns: 36px 1fr auto;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 12px;
    cursor: pointer;
    transition: background .18s ease, color .18s ease;
    user-select: none;
    align-items: center;
}
.cfg-step-item + .cfg-step-item::before {
    content: '';
    position: absolute;
    left: 29px;
    top: -6px;
    width: 2px; height: 8px;
    background: rgba(15, 23, 42, 0.1);
}
[data-theme="dark"] .cfg-step-item + .cfg-step-item::before { background: rgba(148, 212, 196, 0.15); }

.cfg-step-num {
    width: 28px; height: 28px;
    display: grid; place-items: center;
    border-radius: 50%;
    background: rgba(15, 23, 42, 0.06);
    color: var(--color-dark-800, #1e293b);
    font-size: 13px;
    font-weight: 700;
    transition: all .18s ease;
}
.cfg-step-txt {
    min-width: 0;
}
.cfg-step-title {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-dark-900, #0f172a);
    letter-spacing: -.005em;
    line-height: 1.2;
}
.cfg-step-sub {
    display: block;
    font-size: 12px;
    color: var(--color-gray, #64748b);
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.cfg-step-chev {
    color: rgba(15, 23, 42, 0.25);
    transition: color .18s, transform .18s;
}
.cfg-step-chev svg { width: 14px; height: 14px; }

.cfg-step-item:hover { background: rgba(44, 194, 149, 0.06); }
.cfg-step-item:hover .cfg-step-chev { color: var(--color-primary-500, #2CC295); transform: translateX(2px); }

.cfg-step-item.is-active {
    background: linear-gradient(135deg, rgba(44, 194, 149, 0.12), rgba(0, 223, 130, 0.05));
    box-shadow: inset 3px 0 0 var(--color-primary-500, #2CC295);
    padding-left: 15px;
}
.cfg-step-item.is-active .cfg-step-num {
    background: var(--color-primary-500, #2CC295);
    color: #fff;
    box-shadow: 0 6px 14px -6px rgba(44, 194, 149, 0.5);
}
.cfg-step-item.is-active .cfg-step-title { color: var(--color-primary-600, #17876e); }

.cfg-step-item.is-done .cfg-step-num {
    background: rgba(44, 194, 149, 0.12);
    color: var(--color-primary-600, #17876e);
}
.cfg-step-item.is-done .cfg-step-num::after {
    content: '✓';
    font-size: 15px;
    line-height: 1;
}
.cfg-step-item.is-done .cfg-step-num > span { display: none; }

[data-theme="dark"] .cfg-step-num {
    background: rgba(148, 212, 196, 0.08);
    color: var(--color-light-100, #F1F7F7);
}
[data-theme="dark"] .cfg-step-title { color: var(--color-light-100, #F1F7F7); }
[data-theme="dark"] .cfg-step-sub { color: var(--color-light-300, #aac9c2); }
[data-theme="dark"] .cfg-step-item.is-active {
    background: linear-gradient(135deg, rgba(0, 223, 130, 0.12), rgba(44, 194, 149, 0.04));
    box-shadow: inset 3px 0 0 var(--color-accent, #00DF82);
}
[data-theme="dark"] .cfg-step-item.is-active .cfg-step-num {
    background: var(--color-accent, #00DF82);
    color: var(--color-dark-900, #030F0F);
}
[data-theme="dark"] .cfg-step-item.is-active .cfg-step-title { color: var(--color-accent, #00DF82); }
[data-theme="dark"] .cfg-step-item.is-done .cfg-step-num {
    background: rgba(0, 223, 130, 0.14);
    color: var(--color-accent, #00DF82);
}

.cfg-saved {
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-top: 1px solid rgba(15, 23, 42, 0.06);
    color: var(--color-dark-700, #334155);
}
.cfg-saved svg {
    width: 22px; height: 22px;
    color: var(--color-gray, #64748b);
    flex-shrink: 0;
}
.cfg-saved strong {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-dark-900, #0f172a);
}
.cfg-saved span {
    display: block;
    font-size: 11.5px;
    color: var(--color-gray, #64748b);
    margin-top: 1px;
}
[data-theme="dark"] .cfg-saved { border-top-color: rgba(148, 212, 196, 0.1); }
[data-theme="dark"] .cfg-saved strong { color: var(--color-light-100, #F1F7F7); }
[data-theme="dark"] .cfg-saved span { color: var(--color-light-300, #aac9c2); }

/* ── CENTER: main content ────────────────────────────────────────────────── */

.cfg-main {
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 20px;
    padding: 28px 32px 24px;
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    min-height: 540px;
}
[data-theme="dark"] .cfg-main {
    background: rgba(8, 28, 26, 0.72);
    border-color: rgba(148, 212, 196, 0.15);
}

.cfg-main-head { margin-bottom: 20px; }
.cfg-step-counter {
    display: inline-block;
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--color-primary-600, #17876e);
    background: rgba(44, 194, 149, 0.1);
    padding: 4px 12px;
    border-radius: 999px;
    margin-bottom: 12px;
}
[data-theme="dark"] .cfg-step-counter {
    background: rgba(0, 223, 130, 0.12);
    color: var(--color-accent, #00DF82);
}
.cfg-main-head h3 {
    font-family: 'Unbounded', system-ui, sans-serif;
    font-size: clamp(22px, 3vw, 30px);
    font-weight: 600;
    letter-spacing: -.015em;
    margin: 0 0 6px;
    color: var(--color-dark-900, #0f172a);
}
.cfg-main-head p {
    font-size: 14.5px;
    line-height: 1.5;
    color: var(--color-gray, #64748b);
    margin: 0;
    max-width: 720px;
}
[data-theme="dark"] .cfg-main-head h3 { color: var(--color-light-100, #F1F7F7); }
[data-theme="dark"] .cfg-main-head p { color: var(--color-light-300, #aac9c2); }

.cfg-main-body {
    flex: 1;
    animation: cfgStepIn .4s cubic-bezier(.2,.9,.3,1);
}
@keyframes cfgStepIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.cfg-main-foot {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid rgba(15, 23, 42, 0.06);
}
[data-theme="dark"] .cfg-main-foot { border-top-color: rgba(148, 212, 196, 0.1); }

.cfg-main-next-hint {
    margin: 0;
    flex: 1;
    font-size: 13px;
    color: var(--color-gray, #64748b);
}
[data-theme="dark"] .cfg-main-next-hint { color: var(--color-light-300, #aac9c2); }

.cfg-step-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px 10px 12px;
    background: transparent;
    border: 1.5px solid rgba(15, 23, 42, 0.12);
    border-radius: 10px;
    font-family: inherit;
    font-size: 13.5px;
    font-weight: 500;
    color: var(--color-dark-800, #1e293b);
    cursor: pointer;
    transition: all .15s ease;
}
.cfg-step-back svg { width: 16px; height: 16px; }
.cfg-step-back:hover {
    border-color: var(--color-primary-500, #2CC295);
    color: var(--color-primary-600, #17876e);
}
.cfg-step-back:disabled {
    opacity: .4;
    cursor: not-allowed;
}
[data-theme="dark"] .cfg-step-back {
    border-color: rgba(148, 212, 196, 0.2);
    color: var(--color-light-100, #F1F7F7);
}

.cfg-step-next {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-width: 170px;
    justify-content: center;
    padding: 12px 22px !important;
    font-family: inherit;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    border-radius: 10px !important;
}
.cfg-step-next svg { width: 16px; height: 16px; }
.cfg-step-next:disabled {
    opacity: .45;
    cursor: not-allowed;
    transform: none !important;
}

/* ── Vendor tabs (шаг "Платформа") ───────────────────────────────────────── */

.cfg-vendor-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 22px;
}
.cfg-vendor-tab {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 110px;
    padding: 14px 22px;
    background: #fff;
    border: 1.5px solid rgba(15, 23, 42, 0.1);
    border-radius: 12px;
    font-family: inherit;
    font-weight: 700;
    font-size: 14px;
    color: var(--color-dark-800, #1e293b);
    cursor: pointer;
    transition: all .18s ease;
    letter-spacing: .01em;
}
.cfg-vendor-tab:hover {
    border-color: rgba(44, 194, 149, 0.4);
    transform: translateY(-1px);
}
.cfg-vendor-tab.is-active {
    background: var(--color-primary-500, #2CC295);
    border-color: var(--color-primary-500, #2CC295);
    color: #fff;
    box-shadow: 0 8px 18px -8px rgba(44, 194, 149, 0.5);
}
[data-theme="dark"] .cfg-vendor-tab {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(148, 212, 196, 0.15);
    color: var(--color-light-100, #F1F7F7);
}
[data-theme="dark"] .cfg-vendor-tab.is-active {
    background: var(--color-accent, #00DF82);
    color: var(--color-dark-900, #030F0F);
    border-color: var(--color-accent, #00DF82);
}

.cfg-condition-switch {
    display: inline-flex;
    padding: 4px;
    background: rgba(15, 23, 42, 0.04);
    border-radius: 10px;
    margin-bottom: 22px;
    gap: 2px;
}
.cfg-condition-switch button {
    border: none;
    background: transparent;
    padding: 8px 18px;
    border-radius: 8px;
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-gray, #64748b);
    cursor: pointer;
    transition: all .18s ease;
}
.cfg-condition-switch button.is-active {
    background: #fff;
    color: var(--color-dark-900, #0f172a);
    box-shadow: 0 2px 6px -2px rgba(15, 23, 42, 0.15);
}
[data-theme="dark"] .cfg-condition-switch { background: rgba(148, 212, 196, 0.08); }
[data-theme="dark"] .cfg-condition-switch button { color: var(--color-light-300, #aac9c2); }
[data-theme="dark"] .cfg-condition-switch button.is-active {
    background: rgba(0, 223, 130, 0.18);
    color: var(--color-accent, #00DF82);
}

/* ── Platform cards ──────────────────────────────────────────────────────── */

.cfg-platform-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 14px;
}

.cfg-platform-card {
    position: relative;
    padding: 18px 18px 16px;
    background: #fff;
    border: 1.5px solid rgba(15, 23, 42, 0.1);
    border-radius: 14px;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    transition: all .18s ease;
    overflow: hidden;
    isolation: isolate;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.cfg-platform-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(44, 194, 149, 0.08), transparent 70%);
    opacity: 0;
    transition: opacity .2s ease;
    z-index: -1;
}
.cfg-platform-card:hover::before { opacity: 1; }
.cfg-platform-card:hover {
    transform: translateY(-2px);
    border-color: rgba(44, 194, 149, 0.35);
    box-shadow: 0 8px 22px -12px rgba(3, 98, 76, 0.3);
}
.cfg-platform-card.is-selected {
    border-color: var(--color-primary-500, #2CC295);
    background: linear-gradient(135deg, rgba(44, 194, 149, 0.08), rgba(0, 223, 130, 0.03));
    box-shadow: 0 10px 28px -14px rgba(44, 194, 149, 0.5);
}
[data-theme="dark"] .cfg-platform-card {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(148, 212, 196, 0.15);
}
[data-theme="dark"] .cfg-platform-card.is-selected {
    border-color: var(--color-accent, #00DF82);
    background: linear-gradient(135deg, rgba(0, 223, 130, 0.12), rgba(44, 194, 149, 0.04));
}

.cfg-plat-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}
.cfg-plat-vendor {
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--color-gray, #64748b);
}
.cfg-plat-check {
    width: 22px; height: 22px;
    border-radius: 50%;
    border: 1.5px solid rgba(15, 23, 42, 0.15);
    display: grid; place-items: center;
    color: transparent;
    transition: all .18s ease;
    flex-shrink: 0;
}
.cfg-plat-check svg { width: 12px; height: 12px; }
.cfg-platform-card.is-selected .cfg-plat-check {
    background: var(--color-primary-500, #2CC295);
    border-color: var(--color-primary-500, #2CC295);
    color: #fff;
}
[data-theme="dark"] .cfg-plat-check { border-color: rgba(148, 212, 196, 0.3); }
[data-theme="dark"] .cfg-platform-card.is-selected .cfg-plat-check {
    background: var(--color-accent, #00DF82);
    border-color: var(--color-accent, #00DF82);
    color: var(--color-dark-900, #030F0F);
}

.cfg-plat-title {
    font-family: 'Unbounded', system-ui, sans-serif;
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -.01em;
    margin: 0;
    color: var(--color-dark-900, #0f172a);
    line-height: 1.2;
}
.cfg-plat-subtitle {
    font-size: 12.5px;
    color: var(--color-gray, #64748b);
    margin: 2px 0 0;
    line-height: 1.4;
}
[data-theme="dark"] .cfg-plat-title { color: var(--color-light-100, #F1F7F7); }
[data-theme="dark"] .cfg-plat-subtitle { color: var(--color-light-300, #aac9c2); }

.cfg-plat-specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px 10px;
    font-size: 12px;
    color: var(--color-dark-700, #334155);
}
.cfg-plat-spec {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 8px;
    background: rgba(15, 23, 42, 0.04);
    border-radius: 6px;
}
.cfg-plat-spec svg {
    width: 13px; height: 13px;
    color: var(--color-primary-600, #17876e);
    flex-shrink: 0;
}
[data-theme="dark"] .cfg-plat-spec {
    background: rgba(148, 212, 196, 0.08);
    color: var(--color-light-100, #F1F7F7);
}
[data-theme="dark"] .cfg-plat-spec svg { color: var(--color-accent, #00DF82); }

.cfg-plat-notes {
    font-size: 12px;
    color: var(--color-gray, #64748b);
    line-height: 1.45;
    margin: 0;
}
[data-theme="dark"] .cfg-plat-notes { color: var(--color-light-300, #aac9c2); }

/* ── Choices (cards), pills (for steps 2-6) ──────────────────────────────── */

.cfg-choices {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 12px;
}
.cfg-choice {
    position: relative;
    padding: 18px 18px 16px;
    background: #fff;
    border: 1.5px solid rgba(15, 23, 42, 0.1);
    border-radius: 14px;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    transition: all .18s cubic-bezier(.2,.9,.3,1);
    overflow: hidden;
    isolation: isolate;
}
.cfg-choice::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(44, 194, 149, 0.08), transparent 70%);
    opacity: 0;
    transition: opacity .2s ease;
    z-index: -1;
}
.cfg-choice:hover::before { opacity: 1; }
.cfg-choice:hover {
    transform: translateY(-2px);
    border-color: rgba(44, 194, 149, 0.35);
    box-shadow: 0 8px 22px -14px rgba(3, 98, 76, 0.3);
}
.cfg-choice.is-selected {
    border-color: var(--color-primary-500, #2CC295);
    background: linear-gradient(135deg, rgba(44, 194, 149, 0.08), rgba(0, 223, 130, 0.03));
    box-shadow: 0 10px 28px -14px rgba(44, 194, 149, 0.45);
}
.cfg-choice-check {
    position: absolute;
    top: 14px; right: 14px;
    width: 22px; height: 22px;
    border-radius: 50%;
    background: rgba(15, 23, 42, 0.05);
    display: grid; place-items: center;
    opacity: 0;
    transform: scale(.8);
    transition: all .2s cubic-bezier(.2,.9,.3,1);
    color: #fff;
}
.cfg-choice-check svg { width: 13px; height: 13px; }
.cfg-choice.is-selected .cfg-choice-check {
    background: var(--color-primary-500, #2CC295);
    opacity: 1;
    transform: scale(1);
}
.cfg-choice h5 {
    font-family: 'Unbounded', system-ui, sans-serif;
    font-size: 15px;
    font-weight: 600;
    margin: 0 0 5px;
    color: var(--color-dark-900, #0f172a);
    letter-spacing: -.005em;
    padding-right: 32px;
}
.cfg-choice p {
    font-size: 13px;
    line-height: 1.45;
    color: var(--color-gray, #64748b);
    margin: 0;
}

.cfg-choice.is-disabled,
.cfg-choice[disabled] {
    opacity: .38;
    cursor: not-allowed;
    pointer-events: none;
    filter: grayscale(.45);
}
.cfg-choice-lock {
    position: absolute;
    top: 10px; right: 10px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
    background: rgba(220, 38, 38, 0.12);
    color: #b91c1c;
    padding: 4px 8px;
    border-radius: 6px;
    border: 1px solid rgba(220, 38, 38, 0.25);
}

[data-theme="dark"] .cfg-choice {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(148, 212, 196, 0.15);
}
[data-theme="dark"] .cfg-choice h5 { color: var(--color-light-100, #F1F7F7); }
[data-theme="dark"] .cfg-choice p { color: var(--color-light-300, #aac9c2); }
[data-theme="dark"] .cfg-choice.is-selected {
    border-color: var(--color-accent, #00DF82);
    background: linear-gradient(135deg, rgba(0, 223, 130, 0.12), rgba(44, 194, 149, 0.04));
}
[data-theme="dark"] .cfg-choice-check { background: rgba(148, 212, 196, 0.15); }
[data-theme="dark"] .cfg-choice-lock {
    background: rgba(220, 38, 38, 0.18);
    color: #fca5a5;
    border-color: rgba(220, 38, 38, 0.35);
}

.cfg-scale {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.cfg-pill {
    min-width: 84px;
    padding: 12px 18px;
    background: #fff;
    border: 1.5px solid rgba(15, 23, 42, 0.1);
    border-radius: 12px;
    font-family: inherit;
    font-size: 14.5px;
    font-weight: 600;
    color: var(--color-dark-800, #1e293b);
    cursor: pointer;
    transition: all .15s cubic-bezier(.2,.9,.3,1);
    font-variant-numeric: tabular-nums;
}
.cfg-pill:hover {
    border-color: rgba(44, 194, 149, 0.4);
    color: var(--color-primary-600, #17876e);
    transform: translateY(-1px);
}
.cfg-pill.is-selected {
    background: var(--color-primary-500, #2CC295);
    border-color: var(--color-primary-500, #2CC295);
    color: #fff;
    box-shadow: 0 8px 20px -8px rgba(44, 194, 149, 0.5);
}
.cfg-pill.is-disabled,
.cfg-pill[disabled] {
    opacity: .32;
    cursor: not-allowed;
    pointer-events: none;
    filter: grayscale(.5);
    text-decoration: line-through;
}
[data-theme="dark"] .cfg-pill {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(148, 212, 196, 0.18);
    color: var(--color-light-100, #F1F7F7);
}
[data-theme="dark"] .cfg-pill:hover { color: var(--color-accent, #00DF82); border-color: rgba(0, 223, 130, 0.4); }
[data-theme="dark"] .cfg-pill.is-selected {
    background: var(--color-accent, #00DF82);
    border-color: var(--color-accent, #00DF82);
    color: var(--color-dark-900, #030F0F);
}

.cfg-section-title {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--color-gray, #64748b);
    margin: 24px 0 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.cfg-section-title:first-child { margin-top: 0; }
.cfg-section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(15, 23, 42, 0.08);
}
[data-theme="dark"] .cfg-section-title { color: var(--color-light-300, #aac9c2); }
[data-theme="dark"] .cfg-section-title::after { background: rgba(148, 212, 196, 0.12); }

.cfg-toggle {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 14px 16px;
    background: #fff;
    border: 1.5px solid rgba(15, 23, 42, 0.08);
    border-radius: 12px;
    cursor: pointer;
    transition: all .15s ease;
    margin-bottom: 10px;
}
.cfg-toggle:hover { border-color: rgba(44, 194, 149, 0.3); }
.cfg-toggle input[type="checkbox"] { display: none; }
.cfg-toggle-box {
    flex: 0 0 20px;
    width: 20px; height: 20px;
    border-radius: 6px;
    border: 2px solid rgba(15, 23, 42, 0.25);
    transition: all .15s cubic-bezier(.2,.9,.3,1);
    position: relative;
    margin-top: 1px;
}
.cfg-toggle-box::after {
    content: '';
    position: absolute;
    inset: 3px;
    background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'><path d='M20 6L9 17l-5-5'/></svg>") center/contain no-repeat;
    opacity: 0;
    transform: scale(.6);
    transition: all .15s cubic-bezier(.2,.9,.3,1);
}
.cfg-toggle input:checked + .cfg-toggle-box {
    background: var(--color-primary-500, #2CC295);
    border-color: var(--color-primary-500, #2CC295);
}
.cfg-toggle input:checked + .cfg-toggle-box::after { opacity: 1; transform: scale(1); }
.cfg-toggle strong {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-dark-900, #0f172a);
    margin-bottom: 3px;
}
.cfg-toggle em {
    display: block;
    font-style: normal;
    font-size: 12.5px;
    color: var(--color-gray, #64748b);
    line-height: 1.4;
}
[data-theme="dark"] .cfg-toggle {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(148, 212, 196, 0.15);
}
[data-theme="dark"] .cfg-toggle strong { color: var(--color-light-100, #F1F7F7); }
[data-theme="dark"] .cfg-toggle em { color: var(--color-light-300, #aac9c2); }
[data-theme="dark"] .cfg-toggle-box { border-color: rgba(148, 212, 196, 0.35); }

/* ── RIGHT sidebar: summary ──────────────────────────────────────────────── */

.cfg-summary {
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 20px;
    padding: 20px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: sticky;
    top: 100px;
    align-self: start;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
}
[data-theme="dark"] .cfg-summary {
    background: rgba(8, 28, 26, 0.78);
    border-color: rgba(148, 212, 196, 0.15);
}

.cfg-summary-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}
.cfg-summary-head h3 {
    font-family: 'Unbounded', system-ui, sans-serif;
    font-size: 16px;
    font-weight: 600;
    margin: 0;
    color: var(--color-dark-900, #0f172a);
    letter-spacing: -.005em;
}
[data-theme="dark"] .cfg-summary-head h3 { color: var(--color-light-100, #F1F7F7); }
[data-theme="dark"] .cfg-summary-head { border-bottom-color: rgba(148, 212, 196, 0.1); }

.cfg-compat-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    border-radius: 999px;
    font-size: 11.5px;
    font-weight: 600;
}
.cfg-compat-badge svg { width: 12px; height: 12px; }
.cfg-compat-badge.is-ok {
    background: rgba(44, 194, 149, 0.12);
    color: var(--color-primary-600, #17876e);
}
.cfg-compat-badge.is-warn {
    background: rgba(255, 176, 0, 0.15);
    color: #b45309;
}
[data-theme="dark"] .cfg-compat-badge.is-ok {
    background: rgba(0, 223, 130, 0.15);
    color: var(--color-accent, #00DF82);
}

.cfg-summary-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.cfg-sum-line {
    display: grid;
    grid-template-columns: 18px 1fr auto;
    gap: 10px;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px dashed rgba(15, 23, 42, 0.06);
    font-size: 13px;
}
.cfg-sum-line:last-child { border-bottom: none; }
.cfg-sum-line svg {
    width: 16px; height: 16px;
    color: var(--color-primary-600, #17876e);
    flex-shrink: 0;
}
.cfg-sum-field {
    color: var(--color-gray, #64748b);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.cfg-sum-value {
    color: var(--color-dark-900, #0f172a);
    font-weight: 500;
    text-align: right;
    max-width: 180px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    overflow: hidden;
    text-overflow: ellipsis;
    font-variant-numeric: tabular-nums;
}
.cfg-sum-value.is-empty {
    color: var(--color-gray, #94a3b8);
    font-style: italic;
    font-weight: 400;
}

/* Многострочные значения (несколько групп накопителей, список на отдельных
   строчках) — отключаем усечение и выстраиваем элементы сверху вниз. */
.cfg-sum-line.is-multi { align-items: start; }
.cfg-sum-line.is-multi .cfg-sum-value {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 3px;
    white-space: normal;
    max-width: 180px;
    overflow: visible;
    text-overflow: clip;
    line-height: 1.35;
}
.cfg-sum-item { display: block; }
[data-theme="dark"] .cfg-sum-line { border-bottom-color: rgba(148, 212, 196, 0.08); }
[data-theme="dark"] .cfg-sum-line svg { color: var(--color-accent, #00DF82); }
[data-theme="dark"] .cfg-sum-field { color: var(--color-light-300, #aac9c2); }
[data-theme="dark"] .cfg-sum-value { color: var(--color-light-100, #F1F7F7); }

.cfg-summary-totals {
    padding: 16px;
    background: linear-gradient(140deg, #0A2528 0%, #041a1a 100%);
    border-radius: 14px;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.cfg-summary-totals::before {
    content: '';
    position: absolute;
    width: 180px; height: 180px;
    right: -50px; top: -50px;
    background: radial-gradient(circle, rgba(0, 223, 130, 0.2) 0%, transparent 65%);
    border-radius: 50%;
    pointer-events: none;
}
.cfg-sum-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12.5px;
    color: rgba(255, 255, 255, 0.7);
    position: relative;
}
.cfg-sum-help {
    width: 18px; height: 18px;
    display: inline-grid;
    place-items: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    font-size: 11px;
    font-weight: 700;
    cursor: help;
}
.cfg-sum-price {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-top: 6px;
    position: relative;
}
.cfg-sum-price strong {
    font-family: 'Unbounded', system-ui, sans-serif;
    font-size: 26px;
    font-weight: 700;
    color: var(--color-accent, #00DF82);
    letter-spacing: -.015em;
    font-variant-numeric: tabular-nums;
}
.cfg-sum-vat {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: .02em;
}
.cfg-sum-delivery {
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    position: relative;
}
.cfg-sum-delivery .cfg-sum-label {
    display: block;
    font-size: 11.5px;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 2px;
}
.cfg-sum-delivery strong {
    font-size: 14px;
    color: #fff;
    font-weight: 600;
}
.cfg-sum-tag {
    font-size: 11px;
    padding: 4px 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 999px;
    color: #fff;
    font-weight: 500;
}

.cfg-summary-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.cfg-summary-actions .btn {
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 18px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    border-radius: 12px;
    cursor: pointer;
    transition: all .2s ease;
}
.cfg-summary-actions .btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.cfg-summary-actions .btn-primary {
    background: linear-gradient(135deg, var(--color-primary-500, #2CC295), var(--color-accent, #00DF82));
    color: #fff;
    border: 1.5px solid transparent;
    box-shadow: 0 8px 22px -10px rgba(44, 194, 149, 0.5);
}
.cfg-summary-actions .btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 28px -10px rgba(44, 194, 149, 0.6);
}
.cfg-summary-actions .btn-outline {
    background: transparent;
    color: var(--color-dark-900, #0f172a);
    border: 1.5px solid rgba(15, 23, 42, 0.12);
}
.cfg-summary-actions .btn-outline:hover {
    background: var(--color-dark-900, #0f172a);
    color: #fff;
    border-color: var(--color-dark-900, #0f172a);
}
[data-theme="dark"] .cfg-summary-actions .btn-outline {
    color: var(--color-light-100, #F1F7F7);
    border-color: rgba(148, 212, 196, 0.25);
}
[data-theme="dark"] .cfg-summary-actions .btn-outline:hover {
    background: var(--color-accent, #00DF82);
    color: var(--color-dark-900, #030F0F);
    border-color: var(--color-accent, #00DF82);
}

.cfg-summary-warnings {
    margin: 0;
    padding: 10px 12px;
    background: rgba(255, 176, 0, 0.1);
    border: 1px solid rgba(255, 176, 0, 0.3);
    border-radius: 10px;
    font-size: 12px;
    line-height: 1.45;
    color: #92400e;
}
[data-theme="dark"] .cfg-summary-warnings {
    color: #fcd34d;
    background: rgba(252, 211, 77, 0.06);
    border-color: rgba(252, 211, 77, 0.2);
}

/* ── Info cards under configurator ───────────────────────────────────────── */

.cfg-info-grid {
    max-width: 1320px;
    margin: 32px auto 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 14px;
}
.cfg-info-card {
    padding: 20px 22px;
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 16px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: transform .2s ease;
}
.cfg-info-card:hover { transform: translateY(-2px); }
.cfg-info-icon {
    width: 44px; height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(44, 194, 149, 0.15), rgba(0, 223, 130, 0.05));
    color: var(--color-primary-600, #17876e);
    display: grid; place-items: center;
    margin-bottom: 12px;
}
.cfg-info-icon svg { width: 22px; height: 22px; }
.cfg-info-card h4 {
    font-family: 'Unbounded', system-ui, sans-serif;
    font-size: 15px;
    font-weight: 600;
    margin: 0 0 6px;
    color: var(--color-dark-900, #0f172a);
    letter-spacing: -.005em;
}
.cfg-info-card p {
    font-size: 13px;
    line-height: 1.5;
    color: var(--color-gray, #64748b);
    margin: 0;
}
[data-theme="dark"] .cfg-info-card {
    background: rgba(8, 28, 26, 0.72);
    border-color: rgba(148, 212, 196, 0.15);
}
[data-theme="dark"] .cfg-info-card h4 { color: var(--color-light-100, #F1F7F7); }
[data-theme="dark"] .cfg-info-card p { color: var(--color-light-300, #aac9c2); }
[data-theme="dark"] .cfg-info-icon {
    background: linear-gradient(135deg, rgba(0, 223, 130, 0.15), rgba(44, 194, 149, 0.05));
    color: var(--color-accent, #00DF82);
}

/* ── Quick-pick modal ────────────────────────────────────────────────────── */

.cfg-modal {
    position: fixed; inset: 0;
    z-index: 1000;
    display: grid;
    place-items: center;
    padding: 20px;
}
.cfg-modal[hidden] { display: none; }
.cfg-modal-backdrop {
    position: absolute; inset: 0;
    background: rgba(3, 15, 15, 0.65);
    backdrop-filter: blur(4px);
}
.cfg-modal-card {
    position: relative;
    width: 100%;
    max-width: 620px;
    max-height: 90vh;
    overflow-y: auto;
    background: #fff;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 22px;
    padding: 28px 28px 24px;
    box-shadow: 0 40px 100px -30px rgba(3, 15, 15, 0.4);
    animation: cfgModalIn .3s cubic-bezier(.2,.9,.3,1);
}
@keyframes cfgModalIn {
    from { opacity: 0; transform: translateY(18px) scale(.98); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
[data-theme="dark"] .cfg-modal-card {
    background: #0a2528;
    border-color: rgba(148, 212, 196, 0.18);
}
.cfg-modal-close {
    position: absolute;
    top: 16px; right: 16px;
    width: 34px; height: 34px;
    border-radius: 50%;
    border: none;
    background: rgba(15, 23, 42, 0.06);
    color: var(--color-dark-800, #1e293b);
    cursor: pointer;
    display: grid; place-items: center;
    transition: all .15s ease;
}
.cfg-modal-close svg { width: 16px; height: 16px; }
.cfg-modal-close:hover {
    background: var(--color-dark-900, #0f172a);
    color: #fff;
}
[data-theme="dark"] .cfg-modal-close {
    background: rgba(148, 212, 196, 0.1);
    color: var(--color-light-100, #F1F7F7);
}

.cfg-quick-head {
    margin-bottom: 20px;
    padding-right: 40px;
}
.cfg-quick-head h3 {
    font-family: 'Unbounded', system-ui, sans-serif;
    font-size: 22px;
    font-weight: 600;
    margin: 0 0 6px;
    letter-spacing: -.01em;
    color: var(--color-dark-900, #0f172a);
}
.cfg-quick-head p {
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-gray, #64748b);
    margin: 0;
}
[data-theme="dark"] .cfg-quick-head h3 { color: var(--color-light-100, #F1F7F7); }
[data-theme="dark"] .cfg-quick-head p { color: var(--color-light-300, #aac9c2); }

.cfg-quick-step {
    margin-bottom: 18px;
}
.cfg-quick-step-label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--color-gray, #64748b);
    margin-bottom: 8px;
}
[data-theme="dark"] .cfg-quick-step-label { color: var(--color-light-300, #aac9c2); }

.cfg-quick-actions {
    display: flex;
    gap: 10px;
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid rgba(15, 23, 42, 0.06);
}
[data-theme="dark"] .cfg-quick-actions { border-top-color: rgba(148, 212, 196, 0.1); }
.cfg-quick-actions .btn {
    flex: 1;
    padding: 12px 18px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all .18s ease;
}
.cfg-quick-actions .btn-primary {
    background: linear-gradient(135deg, var(--color-primary-500, #2CC295), var(--color-accent, #00DF82));
    color: #fff;
    border: 1.5px solid transparent;
}
.cfg-quick-actions .btn-outline {
    background: transparent;
    color: var(--color-dark-800, #1e293b);
    border: 1.5px solid rgba(15, 23, 42, 0.15);
}
[data-theme="dark"] .cfg-quick-actions .btn-outline {
    color: var(--color-light-100, #F1F7F7);
    border-color: rgba(148, 212, 196, 0.22);
}

/* ── Loader / Empty states ───────────────────────────────────────────────── */

.cfg-loader {
    padding: 60px 20px;
    text-align: center;
    color: var(--color-gray, #64748b);
}
.cfg-loader-ring {
    width: 40px; height: 40px;
    margin: 0 auto 14px;
    border: 3px solid rgba(44, 194, 149, 0.2);
    border-top-color: var(--color-primary-500, #2CC295);
    border-radius: 50%;
    animation: cfgSpin .8s linear infinite;
}
@keyframes cfgSpin { to { transform: rotate(360deg); } }
.cfg-loader p { margin: 0; font-size: 14px; }

.cfg-empty {
    padding: 40px 20px;
    text-align: center;
    color: var(--color-gray, #64748b);
    font-size: 14px;
    background: rgba(15, 23, 42, 0.02);
    border: 1px dashed rgba(15, 23, 42, 0.12);
    border-radius: 14px;
}
[data-theme="dark"] .cfg-empty {
    background: rgba(148, 212, 196, 0.04);
    border-color: rgba(148, 212, 196, 0.15);
}

/* ── Select (платформа + диски) ────────────────────────────────────────── */

.cfg-select {
    appearance: none;
    -webkit-appearance: none;
    width: 100%;
    padding: 14px 40px 14px 16px;
    background: #fff;
    border: 1.5px solid rgba(15, 23, 42, 0.12);
    border-radius: 12px;
    font-family: inherit;
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text, #0f172a);
    cursor: pointer;
    transition: border-color .18s ease, box-shadow .18s ease;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'><path d='M6 9l6 6 6-6'/></svg>");
    background-repeat: no-repeat;
    background-position: right 14px center;
}
.cfg-select:hover { border-color: rgba(44, 194, 149, 0.45); }
.cfg-select:focus {
    outline: none;
    border-color: var(--color-primary-600, #17876e);
    box-shadow: 0 0 0 4px rgba(44, 194, 149, 0.15);
}
.cfg-select:disabled { opacity: .6; cursor: not-allowed; }
[data-theme="dark"] .cfg-select {
    background-color: rgba(15, 23, 42, 0.6);
    border-color: rgba(148, 212, 196, 0.2);
    color: var(--color-light-100, #F1F7F7);
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23aac9c2' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'><path d='M6 9l6 6 6-6'/></svg>");
}

.cfg-platform-picker {
    display: grid;
    gap: 10px;
    margin-bottom: 18px;
}

.cfg-platform-detail {
    margin-top: 6px;
}
.cfg-platform-card.is-detail {
    cursor: default;
    padding: 22px 22px 20px;
}
.cfg-platform-card.is-detail:hover { transform: none; }

/* ── Drive multi-group UI ────────────────────────────────────────────────── */

.cfg-bay-budget {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 16px;
}
.cfg-bay-cell {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 12px 14px;
    background: rgba(44, 194, 149, 0.07);
    border: 1px solid rgba(44, 194, 149, 0.2);
    border-radius: 12px;
    font-size: 12px;
    color: var(--color-gray, #64748b);
}
.cfg-bay-cell strong {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary-600, #17876e);
    letter-spacing: -.01em;
}
.cfg-bay-cell.is-over {
    background: rgba(239, 68, 68, 0.08);
    border-color: rgba(239, 68, 68, 0.35);
}
.cfg-bay-cell.is-over strong { color: #ef4444; }
[data-theme="dark"] .cfg-bay-cell {
    background: rgba(0, 223, 130, 0.06);
    border-color: rgba(0, 223, 130, 0.2);
    color: var(--color-light-300, #aac9c2);
}
[data-theme="dark"] .cfg-bay-cell strong { color: var(--color-accent, #00DF82); }
[data-theme="dark"] .cfg-bay-cell.is-over {
    background: rgba(239, 68, 68, 0.12);
    border-color: rgba(239, 68, 68, 0.45);
}
[data-theme="dark"] .cfg-bay-cell.is-over strong { color: #fca5a5; }

.cfg-drive-groups {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 12px;
}
.cfg-drive-group {
    padding: 14px;
    background: #fff;
    border: 1.5px solid rgba(15, 23, 42, 0.1);
    border-radius: 14px;
    transition: border-color .18s ease;
}
.cfg-drive-group:hover { border-color: rgba(44, 194, 149, 0.3); }
[data-theme="dark"] .cfg-drive-group {
    background: rgba(15, 23, 42, 0.55);
    border-color: rgba(148, 212, 196, 0.15);
}

.cfg-drive-group-head {
    display: grid;
    grid-template-columns: auto 2fr 1.2fr 120px auto;
    gap: 12px;
    align-items: end;
}

.cfg-drive-idx {
    align-self: center;
    width: 32px; height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(44, 194, 149, 0.12);
    color: var(--color-primary-600, #17876e);
    border-radius: 8px;
    font-weight: 700;
    font-size: 13px;
}
[data-theme="dark"] .cfg-drive-idx {
    background: rgba(0, 223, 130, 0.14);
    color: var(--color-accent, #00DF82);
}

.cfg-drive-label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 12px;
    color: var(--color-gray, #64748b);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
}
[data-theme="dark"] .cfg-drive-label { color: var(--color-light-300, #aac9c2); }

.cfg-input {
    padding: 12px 14px;
    background: #fff;
    border: 1.5px solid rgba(15, 23, 42, 0.12);
    border-radius: 10px;
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text, #0f172a);
    width: 100%;
}
.cfg-input:focus {
    outline: none;
    border-color: var(--color-primary-600, #17876e);
    box-shadow: 0 0 0 4px rgba(44, 194, 149, 0.15);
}
[data-theme="dark"] .cfg-input {
    background: rgba(15, 23, 42, 0.6);
    border-color: rgba(148, 212, 196, 0.2);
    color: var(--color-light-100, #F1F7F7);
}

.cfg-comment-field {
    display: block;
}
.cfg-comment-field textarea {
    width: 100%;
    resize: vertical;
    min-height: 86px;
    padding: 14px 16px;
    border: 1.5px solid rgba(15, 23, 42, 0.12);
    border-radius: 14px;
    background: #fff;
    color: var(--color-dark-900, #0f172a);
    font-family: inherit;
    font-size: 14px;
    line-height: 1.5;
}
.cfg-comment-field textarea:focus {
    outline: none;
    border-color: var(--color-primary-600, #17876e);
    box-shadow: 0 0 0 4px rgba(44, 194, 149, 0.15);
}
[data-theme="dark"] .cfg-comment-field textarea {
    background: rgba(15, 23, 42, 0.6);
    border-color: rgba(148, 212, 196, 0.2);
    color: var(--color-light-100, #F1F7F7);
}

.cfg-drive-remove {
    width: 38px; height: 38px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(239, 68, 68, 0.08);
    border: 1.5px solid rgba(239, 68, 68, 0.2);
    border-radius: 10px;
    color: #ef4444;
    cursor: pointer;
    transition: all .15s ease;
}
.cfg-drive-remove:hover {
    background: rgba(239, 68, 68, 0.18);
    border-color: rgba(239, 68, 68, 0.4);
}
.cfg-drive-remove svg { width: 16px; height: 16px; }

.cfg-drive-add {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: transparent;
    border: 1.5px dashed rgba(44, 194, 149, 0.35);
    border-radius: 10px;
    color: var(--color-primary-600, #17876e);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all .15s ease;
}
.cfg-drive-add:hover {
    background: rgba(44, 194, 149, 0.08);
    border-color: var(--color-primary-600, #17876e);
}
.cfg-drive-add svg { width: 16px; height: 16px; }
[data-theme="dark"] .cfg-drive-add {
    color: var(--color-accent, #00DF82);
    border-color: rgba(0, 223, 130, 0.35);
}
[data-theme="dark"] .cfg-drive-add:hover {
    background: rgba(0, 223, 130, 0.1);
    border-color: var(--color-accent, #00DF82);
}

.cfg-inline-warn {
    margin: 12px 0 0;
    padding: 10px 14px;
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.25);
    border-radius: 10px;
    color: #dc2626;
    font-size: 13px;
}
[data-theme="dark"] .cfg-inline-warn {
    background: rgba(239, 68, 68, 0.14);
    color: #fca5a5;
}

/* ── Included-banner (шаг «Сеть») ────────────────────────────────────────── */

.cfg-included-banner {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    margin-bottom: 18px;
    background: rgba(44, 194, 149, 0.08);
    border: 1px solid rgba(44, 194, 149, 0.25);
    border-radius: 12px;
}
.cfg-included-banner svg { width: 22px; height: 22px; color: var(--color-primary-600, #17876e); flex-shrink: 0; }
.cfg-included-banner strong { display: block; font-size: 14px; color: var(--color-text, #0f172a); margin-bottom: 2px; }
.cfg-included-banner span { font-size: 13px; color: var(--color-gray, #64748b); }
[data-theme="dark"] .cfg-included-banner {
    background: rgba(0, 223, 130, 0.08);
    border-color: rgba(0, 223, 130, 0.25);
}
[data-theme="dark"] .cfg-included-banner svg { color: var(--color-accent, #00DF82); }
[data-theme="dark"] .cfg-included-banner strong { color: var(--color-light-100, #F1F7F7); }
[data-theme="dark"] .cfg-included-banner span { color: var(--color-light-300, #aac9c2); }

/* ── Server visualization (game-style HUD) ──────────────────────────────── */

.cfg-server-viz {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    min-height: 110px;
    padding: 18px 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(ellipse at 50% 115%, rgba(0, 223, 130, 0.18) 0%, rgba(0, 223, 130, 0) 58%),
        linear-gradient(180deg, rgba(0, 223, 130, 0.04), rgba(44, 194, 149, 0.02));
    border: 1px solid rgba(0, 223, 130, 0.16);
    box-shadow:
        inset 0 0 34px rgba(0, 223, 130, 0.05),
        0 8px 24px rgba(3, 15, 15, 0.08);
    transition: transform .45s cubic-bezier(.2,.8,.2,1), box-shadow .3s ease;
    isolation: isolate;
}
.cfg-server-viz.is-empty {
    min-height: 100px;
}
[data-theme="dark"] .cfg-server-viz {
    border-color: rgba(0, 223, 130, 0.3);
}

.cfg-viz-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 223, 130, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 223, 130, 0.08) 1px, transparent 1px);
    background-size: 24px 24px;
    background-position: center bottom;
    transform: perspective(500px) rotateX(62deg) translateY(28%) scale(1.6);
    transform-origin: 50% 100%;
    mask-image: linear-gradient(to top, rgba(0,0,0,1) 0%, rgba(0,0,0,0.7) 40%, rgba(0,0,0,0) 80%);
    -webkit-mask-image: linear-gradient(to top, rgba(0,0,0,1) 0%, rgba(0,0,0,0.7) 40%, rgba(0,0,0,0) 80%);
    animation: cfgVizGrid 8s linear infinite;
    z-index: 0;
}
@keyframes cfgVizGrid {
    from { background-position-y: 0px; }
    to   { background-position-y: 24px; }
}

.cfg-viz-scan {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0, 223, 130, 0) 0%, rgba(0, 223, 130, 0.1) 50%, rgba(0, 223, 130, 0) 100%);
    height: 40%;
    transform: translateY(-100%);
    pointer-events: none;
    animation: cfgVizScan 5.5s ease-in-out infinite;
    z-index: 1;
    mix-blend-mode: screen;
}
@keyframes cfgVizScan {
    0%   { transform: translateY(-100%); opacity: 0; }
    10%  { opacity: .6; }
    50%  { opacity: .9; }
    90%  { opacity: .5; }
    100% { transform: translateY(260%); opacity: 0; }
}

.cfg-viz-img {
    position: relative;
    display: block;
    width: 96%;
    max-width: 100%;
    height: auto;
    object-fit: contain;
    opacity: 0;
    transform: scale(.94);
    transition: opacity .35s ease, transform .5s cubic-bezier(.2,.8,.2,1);
    z-index: 2;
    pointer-events: none;
    user-select: none;
    animation: cfgVizFloat 5.5s ease-in-out infinite;
}
.cfg-server-viz.is-empty .cfg-viz-img {
    display: none;
}
.cfg-server-viz:not(.is-empty) .cfg-viz-img {
    opacity: 1;
    transform: scale(1);
}
.cfg-server-viz.is-1u .cfg-viz-img { width: 92%; }
.cfg-server-viz.is-2u .cfg-viz-img { width: 96%; }
@keyframes cfgVizFloat {
    0%, 100% { transform: scale(1) translateY(0); }
    50%      { transform: scale(1) translateY(-3px); }
}

/* Подсветка-ореол под сервером: снизу виза "растёт" зелёное свечение */
.cfg-server-viz::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -20%;
    width: 80%;
    height: 60%;
    transform: translateX(-50%);
    background: radial-gradient(ellipse at 50% 50%, rgba(0, 223, 130, 0.22) 0%, rgba(0, 223, 130, 0) 65%);
    filter: blur(2px);
    pointer-events: none;
    z-index: 1;
    opacity: 0;
    transition: opacity .35s ease;
}
.cfg-server-viz:not(.is-empty)::after { opacity: 1; }

.cfg-viz-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 4px 10px;
    border-radius: 999px;
    font-family: 'JetBrains Mono', 'Menlo', ui-monospace, monospace;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .06em;
    color: #00DF82;
    background: rgba(0, 223, 130, 0.1);
    border: 1px solid rgba(0, 223, 130, 0.45);
    text-shadow: 0 0 8px rgba(0, 223, 130, 0.6);
    z-index: 3;
    transition: opacity .3s ease, transform .3s ease;
}
.cfg-server-viz.is-empty .cfg-viz-badge {
    opacity: 0;
    transform: translateY(-6px);
}

.cfg-viz-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: rgba(170, 201, 194, 0.65);
    font-size: 12px;
    text-align: center;
    padding: 20px;
    z-index: 2;
    transition: opacity .3s ease;
}
.cfg-viz-placeholder svg {
    width: 32px;
    height: 32px;
    opacity: .7;
}
.cfg-server-viz:not(.is-empty) .cfg-viz-placeholder {
    opacity: 0;
    pointer-events: none;
}

.cfg-viz-fx {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: visible;
    z-index: 4;
}

/* pulse on server when component added */
.cfg-server-viz.is-pulse {
    animation: cfgVizPulse .55s ease-out;
}
@keyframes cfgVizPulse {
    0%   { box-shadow: inset 0 0 40px rgba(0, 223, 130, 0.08), 0 8px 24px rgba(0, 0, 0, 0.25); }
    40%  { box-shadow: inset 0 0 80px rgba(0, 223, 130, 0.35), 0 0 0 3px rgba(0, 223, 130, 0.35), 0 8px 24px rgba(0, 0, 0, 0.25); }
    100% { box-shadow: inset 0 0 40px rgba(0, 223, 130, 0.08), 0 8px 24px rgba(0, 0, 0, 0.25); }
}

/* big "+" or "−" mark on server */
.cfg-viz-mark {
    position: absolute;
    left: 50%;
    top: 45%;
    transform: translate(-50%, -50%) scale(.5);
    font-family: 'Unbounded', system-ui, sans-serif;
    font-size: 56px;
    font-weight: 700;
    color: #00DF82;
    text-shadow:
        0 0 8px rgba(0, 223, 130, 0.8),
        0 0 24px rgba(0, 223, 130, 0.6);
    opacity: 0;
    animation: cfgVizMarkUp .85s cubic-bezier(.2,.8,.2,1) forwards;
    pointer-events: none;
}
.cfg-viz-mark.is-minus {
    color: #ffb020;
    text-shadow:
        0 0 8px rgba(255, 176, 32, 0.8),
        0 0 24px rgba(255, 176, 32, 0.55);
    animation-name: cfgVizMarkDown;
}
@keyframes cfgVizMarkUp {
    0%   { opacity: 0; transform: translate(-50%, -40%) scale(.4); }
    25%  { opacity: 1; transform: translate(-50%, -50%) scale(1.2); }
    60%  { opacity: 1; transform: translate(-50%, -58%) scale(1); }
    100% { opacity: 0; transform: translate(-50%, -80%) scale(.9); }
}
@keyframes cfgVizMarkDown {
    0%   { opacity: 0; transform: translate(-50%, -60%) scale(.4); }
    25%  { opacity: 1; transform: translate(-50%, -50%) scale(1.15); }
    60%  { opacity: 1; transform: translate(-50%, -42%) scale(1); }
    100% { opacity: 0; transform: translate(-50%, -20%) scale(.9); }
}

/* flying "+₽amount" from server toward total price */
.cfg-floaty {
    position: fixed;
    z-index: 9999;
    pointer-events: none;
    font-family: 'Unbounded', system-ui, sans-serif;
    font-size: 15px;
    font-weight: 700;
    color: #00DF82;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(2, 18, 15, 0.92);
    border: 1px solid rgba(0, 223, 130, 0.55);
    box-shadow:
        0 0 14px rgba(0, 223, 130, 0.45),
        0 6px 18px rgba(0, 0, 0, 0.35);
    text-shadow: 0 0 8px rgba(0, 223, 130, 0.6);
    white-space: nowrap;
    transform: translate(-50%, -50%);
    will-change: transform, opacity, left, top;
    opacity: 0;
}
.cfg-floaty.is-live {
    animation: cfgFloatyOut var(--cfg-floaty-dur, 1.15s) cubic-bezier(.22,.8,.2,1) forwards;
}
.cfg-floaty.is-minus {
    color: #ffb020;
    border-color: rgba(255, 176, 32, 0.55);
    box-shadow:
        0 0 14px rgba(255, 176, 32, 0.4),
        0 6px 18px rgba(0, 0, 0, 0.35);
    text-shadow: 0 0 8px rgba(255, 176, 32, 0.55);
}
@keyframes cfgFloatyOut {
    0%   { opacity: 0; transform: translate(-50%, -50%) scale(.6); }
    18%  { opacity: 1; transform: translate(-50%, -50%) scale(1.08); }
    100% { opacity: 0; transform: translate(calc(-50% + var(--cfg-floaty-dx, 0px)), calc(-50% + var(--cfg-floaty-dy, -200px))) scale(.85); }
}

/* flash on total price when it just grew */
.cfg-sum-price.is-flash strong {
    animation: cfgPriceFlash .8s ease-out;
}
@keyframes cfgPriceFlash {
    0%   { color: inherit; text-shadow: none; }
    35%  { color: #00DF82; text-shadow: 0 0 10px rgba(0, 223, 130, 0.6); transform: scale(1.06); }
    100% { color: inherit; text-shadow: none; transform: scale(1); }
}
.cfg-sum-price strong { display: inline-block; transition: transform .2s ease; }

@media (prefers-reduced-motion: reduce) {
    .cfg-viz-grid, .cfg-viz-scan, .cfg-viz-img { animation: none !important; }
    .cfg-floaty.is-live { animation-duration: .3s; }
}

/* ── Responsive ──────────────────────────────────────────────────────────── */

@media (max-width: 1024px) {
    .cfg-steps { position: static; max-height: none; }
    .cfg-summary { position: static; max-height: none; }
    .cfg-steps { order: 1; }
    .cfg-main { order: 2; }
    .cfg-summary { order: 3; }
    .cfg-step-list {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 6px;
    }
    .cfg-step-item + .cfg-step-item::before { display: none; }
    .cfg-saved { display: none; }
}

@media (max-width: 640px) {
    .configurator-v3 { padding: 80px 0 100px; }
    .cfg-main { padding: 20px 18px; border-radius: 16px; }
    .cfg-steps { padding: 14px 12px; border-radius: 16px; }
    .cfg-summary { padding: 16px; border-radius: 16px; }
    .cfg-vendor-tab { min-width: 90px; padding: 12px 16px; font-size: 13px; }
    .cfg-main-foot { flex-wrap: wrap; }
    .cfg-main-next-hint { flex-basis: 100%; order: 3; text-align: center; }
    .cfg-step-back, .cfg-step-next { flex: 1; min-width: 130px; }
    .cfg-plat-specs { grid-template-columns: 1fr; }
    .cfg-head-features { gap: 14px; }
    .cfg-drive-group-head {
        grid-template-columns: auto 1fr auto;
        grid-template-areas:
            "idx kind remove"
            "cap cap cap"
            "qty qty qty";
        row-gap: 10px;
    }
    .cfg-drive-group-head .cfg-drive-idx { grid-area: idx; }
    .cfg-drive-group-head > label:nth-of-type(1) { grid-area: kind; }
    .cfg-drive-group-head > label:nth-of-type(2) { grid-area: cap; }
    .cfg-drive-group-head > label:nth-of-type(3) { grid-area: qty; }
    .cfg-drive-group-head .cfg-drive-remove { grid-area: remove; }
    .cfg-bay-budget { grid-template-columns: 1fr; }
}

/* ── Hero button glow (unchanged) ────────────────────────────────────────── */

.hero-cfg .hero-cta-primary {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}
.hero-cfg .hero-cta-primary::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: inherit;
    background: linear-gradient(135deg, var(--color-primary-500, #2CC295), var(--color-accent, #00DF82));
    opacity: .35;
    filter: blur(18px);
    z-index: -1;
    transition: opacity .25s ease;
}
.hero-cfg .hero-cta-primary:hover::after { opacity: .55; }

.nav-highlight {
    position: relative;
    color: var(--color-primary-600, #17876e) !important;
    font-weight: 600 !important;
}
.nav-highlight::before {
    content: '';
    position: absolute;
    left: 0; right: 0; bottom: -4px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary-500, #2CC295), var(--color-accent, #00DF82));
    border-radius: 2px;
    transform: scaleX(.3);
    transform-origin: left;
    transition: transform .3s cubic-bezier(.2,.9,.3,1);
}
.nav-highlight:hover::before { transform: scaleX(1); }
[data-theme="dark"] .nav-highlight { color: var(--color-accent, #00DF82) !important; }

/* ── CTA "solo" variant (unchanged) ──────────────────────────────────────── */

.cta-solo .cta-wrapper-solo {
    display: block;
    max-width: 760px;
    margin: 0 auto;
}
.cta-solo .cta-solo-heading {
    text-align: center;
    margin-bottom: 40px;
}
.cta-solo .cta-title { margin-top: 16px; margin-bottom: 12px; }
.cta-solo .cta-desc {
    max-width: 580px;
    margin: 0 auto;
}

/* Theme and fixed-background refinements */
.configurator-v3 .cfg-bg {
    display: none;
}

.configurator-v3 {
    color-scheme: light;
}

.cfg-steps,
.cfg-main,
.cfg-summary,
.cfg-info-card,
.cfg-modal-card {
    box-shadow: 0 24px 70px rgba(3, 15, 15, 0.08);
}

.cfg-vendor-tab:not(.is-active),
.cfg-platform-card:not(.is-selected),
.cfg-choice:not(.is-selected),
.cfg-pill:not(.is-selected),
.cfg-toggle,
.cfg-drive-group,
.cfg-select,
.cfg-input,
.cfg-comment-field textarea {
    background-color: rgba(255, 255, 255, 0.92);
}

.cfg-select::placeholder,
.cfg-input::placeholder,
.cfg-comment-field textarea::placeholder {
    color: rgba(111, 125, 125, 0.9);
}

[data-theme="dark"] .configurator-v3 {
    color-scheme: dark;
}

[data-theme="dark"] .cfg-steps,
[data-theme="dark"] .cfg-main,
[data-theme="dark"] .cfg-summary,
[data-theme="dark"] .cfg-info-card,
[data-theme="dark"] .cfg-modal-card {
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.24);
}

[data-theme="dark"] .cfg-select::placeholder,
[data-theme="dark"] .cfg-input::placeholder,
[data-theme="dark"] .cfg-comment-field textarea::placeholder {
    color: rgba(170, 203, 196, 0.72);
}

[data-theme="dark"] .cfg-vendor-tab:not(.is-active),
[data-theme="dark"] .cfg-platform-card:not(.is-selected),
[data-theme="dark"] .cfg-choice:not(.is-selected),
[data-theme="dark"] .cfg-pill:not(.is-selected),
[data-theme="dark"] .cfg-toggle,
[data-theme="dark"] .cfg-drive-group,
[data-theme="dark"] .cfg-select,
[data-theme="dark"] .cfg-input,
[data-theme="dark"] .cfg-comment-field textarea {
    background-color: rgba(15, 23, 42, 0.58);
    border-color: rgba(148, 212, 196, 0.2);
}

[data-theme="dark"] .cfg-vendor-tab:not(.is-active):hover,
[data-theme="dark"] .cfg-platform-card:not(.is-selected):hover,
[data-theme="dark"] .cfg-choice:not(.is-selected):hover,
[data-theme="dark"] .cfg-pill:not(.is-selected):hover,
[data-theme="dark"] .cfg-toggle:hover {
    background-color: rgba(14, 45, 43, 0.72);
    border-color: rgba(0, 223, 130, 0.35);
}

/* Legacy cleanup */
.serverai, .bot-preview, .cta-info, .cta-option,
.configurator-v2, .cfg-stage, .cfg-mode-grid, .cfg-mode,
.cfg-wizard, .cfg-form-header, .cfg-back, .cfg-wizard-progress,
.cfg-step-head, .cfg-step-body, .cfg-step-actions,
.cfg-result-grid, .cfg-parts-strip, .cfg-part { display: none !important; }