/* ============================================================
   Современный layer стилей поверх Bootstrap + base CSS.
   Подключается последним, переопределяет точечно — без сноса
   существующих классов формы.
   ============================================================ */

@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: local('Inter'),
         url('vendor/inter-cyrillic-400-normal.woff2') format('woff2'),
         url('vendor/inter-latin-400-normal.woff2') format('woff2');
    unicode-range: U+0400-04FF, U+0500-052F, U+2DE0-2DFF, U+A640-A69F;
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: local('Inter'),
         url('vendor/inter-latin-400-normal.woff2') format('woff2');
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: local('Inter'),
         url('vendor/inter-cyrillic-500-normal.woff2') format('woff2'),
         url('vendor/inter-latin-500-normal.woff2') format('woff2');
    unicode-range: U+0400-04FF, U+0500-052F, U+2DE0-2DFF, U+A640-A69F;
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: local('Inter'),
         url('vendor/inter-latin-500-normal.woff2') format('woff2');
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: local('Inter'),
         url('vendor/inter-cyrillic-600-normal.woff2') format('woff2'),
         url('vendor/inter-latin-600-normal.woff2') format('woff2');
    unicode-range: U+0400-04FF, U+0500-052F, U+2DE0-2DFF, U+A640-A69F;
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: local('Inter'),
         url('vendor/inter-latin-600-normal.woff2') format('woff2');
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: local('Inter'),
         url('vendor/inter-cyrillic-700-normal.woff2') format('woff2'),
         url('vendor/inter-latin-700-normal.woff2') format('woff2');
    unicode-range: U+0400-04FF, U+0500-052F, U+2DE0-2DFF, U+A640-A69F;
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: local('Inter'),
         url('vendor/inter-latin-700-normal.woff2') format('woff2');
}

:root {
    --c-bg: #f4f6fa;
    --c-surface: #ffffff;
    --c-surface-2: #f8fafc;
    --c-border: #e3e7ee;
    --c-border-strong: #cdd4e0;
    --c-text: #0f172a;
    --c-muted: #64748b;
    --c-accent: #2563eb;
    --c-accent-hover: #1d4ed8;
    --c-accent-soft: #eaf1ff;
    --c-success: #16a34a;
    --c-danger: #dc2626;
    --c-warning: #f59e0b;
    --radius-lg: 14px;
    --radius-md: 10px;
    --radius-sm: 6px;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 1px rgba(15, 23, 42, 0.03);
    --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.06), 0 2px 4px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 12px 28px rgba(15, 23, 42, 0.08), 0 4px 10px rgba(15, 23, 42, 0.04);
    --t-fast: 120ms cubic-bezier(.2,.6,.2,1);
    --t-base: 200ms cubic-bezier(.2,.6,.2,1);
}

html, body {
    background: var(--c-bg);
    color: var(--c-text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.header {
    background: transparent;
    border: none;
    padding: 0;
    margin: 0;
}
.header .title {
    max-width: 1100px;
    margin: 18px auto 4px;
    padding: 0 20px;
    color: var(--c-muted);
    font-size: 13px;
    text-align: right;
}

.container {
    max-width: 1400px;
    padding: 0 24px;
}

.order-form {
    background: var(--c-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 32px 40px 40px;
    margin: 24px auto 60px;
}
@media (min-width: 1600px) {
    .container { max-width: 1520px; padding: 0 32px; }
    .order-form { padding: 36px 48px 48px; }
}

/* Шапка формы */
.order-form__header {
    border-bottom: 1px solid var(--c-border);
    padding-bottom: 18px;
    margin-bottom: 24px;
}
.order-form__header h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--c-text);
    margin: 0 0 14px 0;
    letter-spacing: -0.01em;
}
.order-form__top-input-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
}
.order-form__top-input-wrapper > div {
    color: var(--c-muted);
    font-size: 13px;
}
.order-form__top-input {
    border: 1px solid var(--c-border) !important;
    border-radius: var(--radius-sm) !important;
    background: var(--c-surface-2) !important;
    color: var(--c-text) !important;
    height: 34px;
    padding: 4px 10px !important;
    font-size: 13px !important;
    width: 240px;
}

/* Степпер */
.pulsar-stepper {
    display: flex;
    gap: 4px;
    margin: 0 0 26px 0;
    padding: 0;
    list-style: none;
    counter-reset: step;
}
.pulsar-stepper__item {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    background: var(--c-surface-2);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
    font-size: 13px;
    color: var(--c-muted);
    transition: background var(--t-base), border-color var(--t-base), color var(--t-base);
    user-select: none;
}
.pulsar-stepper__item::before {
    counter-increment: step;
    content: counter(step);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #e2e8f0;
    color: var(--c-muted);
    font-weight: 600;
    font-size: 12px;
    flex-shrink: 0;
}
.pulsar-stepper__item--active {
    background: var(--c-accent-soft);
    border-color: #b8cdfa;
    color: var(--c-accent);
    font-weight: 600;
}
.pulsar-stepper__item--active::before {
    background: var(--c-accent);
    color: #fff;
}
.pulsar-stepper__item--done {
    background: #ecfdf5;
    border-color: #b7e7c9;
    color: var(--c-success);
    font-weight: 600;
}
.pulsar-stepper__item--done::before {
    background: var(--c-success);
    color: #fff;
    content: '✓';
}

/* Шаги */
.step-container {
    background: transparent;
    padding: 0;
    margin: 0;
}
.step-container h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--c-text);
    margin: 0 0 16px 0;
    letter-spacing: -0.01em;
}

/* Двухколоночный layout шага 2: параметры слева, превью схемы справа.
   Включается с ширины 1024px — на узких экранах элементы стек'аются. */
@media (min-width: 1024px) {
    #nodeParameters {
        display: grid;
        grid-template-columns: minmax(0, 1fr) 460px;
        grid-template-rows: auto auto auto auto auto;
        column-gap: 28px;
        row-gap: 16px;
        align-items: start;
    }
    #nodeParameters > h4 {
        grid-column: 1 / -1;
        grid-row: 1;
    }
    #nodeParameters > .params-compact-grid {
        grid-column: 1;
        grid-row: 2 / span 4;
        align-self: start;
    }
    #nodeParameters > .articul-compact-row {
        grid-column: 2;
        grid-row: 2;
        margin: 0;
    }
    #nodeParameters > .scheme-container {
        grid-column: 2;
        grid-row: 3;
        margin: 0;
        position: sticky;
        top: 16px;
    }
    #nodeParameters > .order-form__row:has(.node-summary-table) {
        grid-column: 2;
        grid-row: 4;
        margin: 0;
    }
}

/* Сетка параметров */
.params-compact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 12px;
    margin-bottom: 18px;
}
/* В двухколоночном режиме параметры лезут в auto-fit-сетку. */
@media (min-width: 1024px) {
    #nodeParameters > .params-compact-grid {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
        margin-bottom: 0;
    }
}
@media (min-width: 1400px) {
    #nodeParameters {
        grid-template-columns: minmax(0, 1fr) 540px;
        column-gap: 36px;
    }
}
.param-block {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
    padding: 12px 14px 10px;
    box-shadow: var(--shadow-sm);
    transition: border-color var(--t-fast), box-shadow var(--t-fast), transform var(--t-fast);
}
.param-block:hover {
    border-color: var(--c-border-strong);
    box-shadow: var(--shadow-md);
}
.param-block .param-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--c-text);
    margin: 0 0 8px 0;
    padding: 0 0 6px 0;
    border-bottom: 1px solid var(--c-border);
}

.param-radios {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.param-radio-opt {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 10px;
    background: var(--c-surface-2);
    border: 1px solid var(--c-border);
    border-radius: 999px;
    font-size: 13px;
    color: #334155;
    cursor: pointer;
    transition: background var(--t-fast), border-color var(--t-fast), color var(--t-fast);
}
.param-radio-opt:hover {
    background: #eef2f7;
    border-color: var(--c-border-strong);
}
.param-radio-opt input[type="radio"] {
    appearance: none;
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 1.5px solid #94a3b8;
    margin: 0;
    cursor: pointer;
    position: relative;
    transition: border-color var(--t-fast);
}
.param-radio-opt input[type="radio"]:checked {
    border-color: var(--c-accent);
}
.param-radio-opt input[type="radio"]:checked::after {
    content: '';
    position: absolute;
    inset: 2px;
    border-radius: 50%;
    background: var(--c-accent);
}
.param-radio-opt:has(input[type="radio"]:checked) {
    background: var(--c-accent-soft);
    border-color: #93b8fa;
    color: var(--c-accent);
    font-weight: 600;
}

/* Селекты и инпуты Bootstrap'а */
.form-control,
.form-select,
select.form-control {
    border: 1px solid var(--c-border) !important;
    border-radius: var(--radius-sm) !important;
    background: var(--c-surface) !important;
    color: var(--c-text) !important;
    padding: 8px 12px !important;
    font-size: 14px !important;
    transition: border-color var(--t-fast), box-shadow var(--t-fast);
    box-shadow: none !important;
}
.form-control:focus,
.form-select:focus,
select.form-control:focus {
    border-color: var(--c-accent) !important;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15) !important;
    outline: none !important;
}
textarea.form-control {
    resize: vertical;
    min-height: 90px;
}

/* Строки формы */
.order-form__row {
    margin-bottom: 14px;
    align-items: center;
}
.order-form__label {
    font-size: 13px;
    font-weight: 500;
    color: var(--c-text);
    margin: 0;
}
.order-form__required {
    display: block;
    color: var(--c-muted);
    font-size: 11px;
    margin-top: 2px;
}

/* Артикул */
.articul-compact-row {
    background: linear-gradient(135deg, #f0f7ff 0%, #e0ecff 100%);
    border: 1px solid #b8cdfa;
    border-radius: var(--radius-md);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 14px;
    margin: 18px 0;
}
.articul-compact-row label {
    font-size: 14px;
    font-weight: 700;
    color: #1e3a8a;
    margin: 0;
    white-space: nowrap;
}
.articul-compact-row input {
    flex: 1;
    background: #fff !important;
    border: 1px solid #b8cdfa !important;
    font-weight: 600;
    color: #1e3a8a !important;
    font-size: 14px !important;
    padding: 7px 12px !important;
}

/* Превью схемы */
.scheme-container {
    margin: 22px 0 10px;
}
.scheme-container .order-form__label {
    font-size: 14px;
    font-weight: 600;
}
.node-scheme {
    background: var(--c-surface-2);
    border: 1px dashed var(--c-border-strong);
    border-radius: var(--radius-md);
    padding: 24px;
    min-height: 320px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 8px;
    overflow: hidden;
    transition: border-color var(--t-base);
}
.node-scheme img.scheme-image {
    max-width: 100%;
    height: auto;
    background: #fff;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
}
.node-scheme p,
.node-scheme .scheme-caption {
    text-align: center;
    color: var(--c-muted);
    font-size: 13px;
    margin: 0;
    font-style: normal;
}
.scheme-placeholder {
    text-align: center;
    color: var(--c-muted);
    font-size: 14px;
    padding: 24px;
}

/* Сводная таблица */
.node-summary-table {
    margin-top: 12px;
}
.table.table_email {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    font-size: 13px;
}
.table.table_email th {
    background: var(--c-surface-2);
    color: var(--c-text);
    font-weight: 600;
    padding: 10px 12px;
    border-bottom: 1px solid var(--c-border);
    text-align: left;
}
.table.table_email td {
    padding: 9px 12px;
    border-bottom: 1px solid var(--c-border);
    color: #334155;
}
.table.table_email tr:last-child td {
    border-bottom: none;
}
.table.table_email tr:hover td {
    background: #fafbfd;
}

/* Кнопки шагов */
.step-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    align-items: center;
    gap: 10px;
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid var(--c-border);
}
.step-buttons .btn-secondary {
    margin-right: auto; /* "Назад" уезжает влево, остальные группируются справа */
}
.step-buttons .btn {
    width: auto !important;
    min-width: 140px;
    padding: 10px 22px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: none;
    transition: background var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
    box-shadow: var(--shadow-sm);
}
.step-buttons .btn-primary,
.btn-primary {
    background: var(--c-accent) !important;
    color: #fff !important;
    border: none !important;
}
.step-buttons .btn-primary:hover,
.btn-primary:hover {
    background: var(--c-accent-hover) !important;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}
.btn-secondary {
    background: var(--c-surface-2) !important;
    color: #334155 !important;
    border: 1px solid var(--c-border) !important;
}
.btn-secondary:hover {
    background: #eef2f7 !important;
    color: var(--c-text) !important;
}
.btn-success {
    background: var(--c-success) !important;
    color: #fff !important;
}
.btn-success:hover {
    background: #15803d !important;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}
.btn-outline-primary {
    background: transparent !important;
    color: var(--c-accent) !important;
    border: 1px solid var(--c-accent) !important;
}
.btn-outline-primary:hover {
    background: var(--c-accent) !important;
    color: #fff !important;
}
.btn-outline-danger {
    background: transparent !important;
    color: var(--c-danger) !important;
    border: 1px solid var(--c-danger) !important;
}
.btn-outline-danger:hover {
    background: var(--c-danger) !important;
    color: #fff !important;
}

/* Список узлов на шаге 3 */
.nodes-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 8px;
}
.node-item {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.node-item:hover {
    border-color: var(--c-border-strong);
    box-shadow: var(--shadow-sm);
}
.node-item__info strong {
    font-size: 14px;
    color: var(--c-text);
    font-weight: 600;
}
.node-item__info .text-muted {
    font-size: 12px;
    color: var(--c-muted) !important;
    margin-top: 2px;
    display: block;
    font-family: 'JetBrains Mono', 'Consolas', monospace;
}
.node-item__actions-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}
.node-quantity-wrapper label {
    font-size: 13px;
    color: var(--c-muted);
    margin: 0;
}
.node-quantity-wrapper input {
    width: 64px !important;
    text-align: center;
    font-weight: 600;
}

.step3-action-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 8px;
}

/* Адаптив */
@media (max-width: 640px) {
    .order-form { padding: 18px 16px 24px; border-radius: var(--radius-md); }
    .order-form__header h2 { font-size: 20px; }
    .pulsar-stepper { flex-direction: column; gap: 6px; }
    .pulsar-stepper__item { padding: 10px 12px; }
    .params-compact-grid { grid-template-columns: 1fr; }
    .step-buttons { flex-direction: column-reverse; }
    .step-buttons .btn { width: 100% !important; min-width: 0; }
    .step-buttons .btn-secondary { margin-right: 0; }
    .order-form__top-input { width: 100%; }
}

/* Анимация перехода между шагами */
.step-container {
    animation: pulsar-fade-in 240ms ease-out;
}
@keyframes pulsar-fade-in {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}