.car-amort {
    --ca-primary: #3b6fa8;
    --ca-primary-dark: #2d567f;
    --ca-primary-soft: #eaf1f8;
    --ca-text: #2b3440;
    --ca-text-light: #6b7785;
    --ca-border: #d8dee6;
    --ca-border-strong: #b9c3cf;
    --ca-bg-panel: #ffffff;
    --ca-bg-soft: #f5f7fa;
    --ca-success: #2e7d4f;
    --ca-warning: #9a6b1e;
    --ca-danger: #a33a3a;
    --ca-radius: 6px;
    --ca-radius-sm: 4px;

    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.55;
    color: var(--ca-text);
    max-width: 100%;
    box-sizing: border-box;
}

.car-amort *,
.car-amort *::before,
.car-amort *::after {
    box-sizing: border-box;
}

/* Сбрасываем только то, что реально мешает — внутри контейнера */
.car-amort h1,
.car-amort h2,
.car-amort h3 {
    margin: 0 0 10px;
    font-weight: 600;
    color: var(--ca-text);
    line-height: 1.25;
}

.car-amort h1 { font-size: 1.5rem; }
.car-amort h3 { font-size: 1.05rem; }

.car-amort p { margin: 0 0 10px; }
.car-amort ul { margin: 0 0 10px 20px; }

/* Заголовок страницы */
.car-amort header {
    text-align: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--ca-border);
}
.car-amort header h1 { font-size: 1.6rem; margin-bottom: 6px; }
.car-amort header p { color: var(--ca-text-light); font-size: 0.9rem; margin: 0; }

/* ---------- Табы ---------- */
.car-amort .tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    background: var(--ca-bg-soft);
    border: 1px solid var(--ca-border);
    border-radius: var(--ca-radius);
    padding: 4px;
    margin-bottom: 20px;
}

.car-amort .tab-btn {
    flex: 1 1 auto;
    min-width: 140px;
    padding: 9px 12px;
    border: 1px solid transparent;
    border-radius: var(--ca-radius-sm);
    background: transparent;
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--ca-text-light);
    cursor: pointer;
    transition: background .15s, color .15s, border-color .15s;
    white-space: nowrap;
}
.car-amort .tab-btn:hover {
    background: #fff;
    color: var(--ca-text);
    border-color: var(--ca-border);
}
.car-amort .tab-btn.active {
    background: var(--ca-primary);
    border-color: var(--ca-primary);
    color: #fff;
}

/* ---------- Панели ---------- */
.car-amort .panel {
    display: none;
    background: var(--ca-bg-panel);
    border: 1px solid var(--ca-border);
    border-radius: var(--ca-radius);
    padding: 22px;
    margin-bottom: 16px;
}
.car-amort .panel.active {
    display: block;
    animation: caFadeIn .25s ease;
}
@keyframes caFadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ---------- Формы ---------- */
.car-amort .form-group { margin-bottom: 16px; }

.car-amort label {
    display: block;
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 4px;
    color: var(--ca-text);
}
.car-amort label .hint {
    font-weight: 400;
    color: var(--ca-text-light);
    font-size: 0.78rem;
}

.car-amort input[type="number"],
.car-amort input[type="text"],
.car-amort select {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--ca-border-strong);
    border-radius: var(--ca-radius-sm);
    background: #fff;
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--ca-text);
    transition: border-color .15s, box-shadow .15s;
}
.car-amort input[type="number"]:focus,
.car-amort input[type="text"]:focus,
.car-amort select:focus {
    outline: none;
    border-color: var(--ca-primary);
    box-shadow: 0 0 0 2px rgba(59, 111, 168, 0.15);
}

.car-amort .row,
.car-amort .row-3 {
    display: grid;
    gap: 12px;
}
.car-amort .row { grid-template-columns: 1fr 1fr; }
.car-amort .row-3 { grid-template-columns: 1fr 1fr 1fr; }
@media (max-width: 600px) {
    .car-amort .row,
    .car-amort .row-3 { grid-template-columns: 1fr; }
    .car-amort .tab-btn { min-width: 100%; }
}

.car-amort .checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 16px;
    margin-top: 4px;
}
.car-amort .checkbox-group label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 400;
    font-size: 0.85rem;
    cursor: pointer;
    margin: 0;
}
.car-amort .checkbox-group input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--ca-primary);
    margin: 0;
}

/* ---------- Кнопка ---------- */
.car-amort .btn-calc {
    display: block;
    width: 100%;
    padding: 11px 16px;
    margin-top: 4px;
    border: 1px solid var(--ca-primary);
    border-radius: var(--ca-radius-sm);
    background: var(--ca-primary);
    color: #fff;
    font-family: inherit;
    font-size: 0.92rem;
    font-weight: 600;
    cursor: pointer;
    transition: background .15s, border-color .15s;
}
.car-amort .btn-calc:hover {
    background: var(--ca-primary-dark);
    border-color: var(--ca-primary-dark);
}

/* ---------- Инфо-блоки ---------- */
.car-amort .method-info {
    background: var(--ca-primary-soft);
    border-left: 3px solid var(--ca-primary);
    padding: 10px 14px;
    border-radius: 0 var(--ca-radius-sm) var(--ca-radius-sm) 0;
    margin-bottom: 16px;
    font-size: 0.83rem;
    color: #2c3e52;
}
.car-amort .method-info strong {
    display: block;
    margin-bottom: 3px;
    font-size: 0.85rem;
}
.car-amort .method-info.warning {
    background: #fdf6e6;
    border-left-color: var(--ca-warning);
    color: #6f4d11;
}
.car-amort .method-info.danger {
    background: #fbecec;
    border-left-color: var(--ca-danger);
    color: #7a2626;
}

.car-amort .section-title {
    font-size: 0.95rem;
    font-weight: 700;
    margin: 20px 0 10px;
    padding-bottom: 5px;
    border-bottom: 1px solid var(--ca-border);
    color: var(--ca-text);
}
.car-amort .section-title:first-of-type { margin-top: 0; }

/* ---------- Результаты ---------- */
.car-amort .result {
    display: none;
    margin-top: 18px;
    padding: 16px;
    background: #f2f8f3;
    border: 1px solid #cde3d2;
    border-radius: var(--ca-radius);
}
.car-amort .result.show {
    display: block;
    animation: caFadeIn .25s ease;
}
.car-amort .result h3 {
    color: var(--ca-success);
    font-size: 0.95rem;
    margin-bottom: 10px;
}

.car-amort .result-item {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 6px 0;
    border-bottom: 1px dashed #dfe7e1;
    font-size: 0.88rem;
}
.car-amort .result-item:last-child { border-bottom: none; }

.car-amort .result-item .label {
    color: var(--ca-text-light);
    font-weight: 400;
}
.car-amort .result-item .value {
    font-weight: 700;
    text-align: right;
    white-space: nowrap;
}
.car-amort .result-item .value.highlight {
    color: var(--ca-success);
    font-size: 1rem;
}
.car-amort .result-item .value.warning { color: var(--ca-warning); }
.car-amort .result-item .value.danger  { color: var(--ca-danger); }

.car-amort .note {
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px solid var(--ca-border);
    font-size: 0.78rem;
    color: var(--ca-text-light);
    line-height: 1.5;
}

/* ---------- Шкала ---------- */
.car-amort .scale-bar {
    height: 10px;
    margin: 8px 0;
    background: #e6eaef;
    border-radius: 5px;
    overflow: hidden;
}
.car-amort .scale-fill {
    height: 100%;
    width: 0;
    border-radius: 5px;
    transition: width .35s ease;
}

/* ---------- Блок пошагового расчета ---------- */
.car-amort .steps-container {
    margin-top: 14px;
    border: 1px solid var(--ca-border);
    border-radius: var(--ca-radius-sm);
    background: var(--ca-bg-soft);
    overflow: hidden;
}
.car-amort .steps-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background: #e9eef4;
    cursor: pointer;
    user-select: none;
    transition: background .15s;
}
.car-amort .steps-header:hover { background: #dfe6ee; }

.car-amort .steps-header-title {
    display: flex;
    align-items: center;
    gap: 7px;
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--ca-text);
}
.car-amort .steps-header-title .icon { font-size: 0.95rem; }

.car-amort .steps-toggle {
    font-size: 0.72rem;
    color: var(--ca-text-light);
    transition: transform .2s;
}
.car-amort .steps-toggle.open { transform: rotate(180deg); }

.car-amort .steps-body {
    display: none;
    padding: 14px;
    background: #fff;
}
.car-amort .steps-body.open { display: block; }

.car-amort .step {
    display: flex;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px dashed var(--ca-border);
}
.car-amort .step:last-child { border-bottom: none; }

.car-amort .step-num {
    flex: 0 0 24px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ca-primary);
    color: #fff;
    border-radius: 50%;
    font-size: 0.72rem;
    font-weight: 700;
    margin-top: 2px;
}
.car-amort .step-content { flex: 1 1 auto; min-width: 0; }

.car-amort .step-title {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 4px;
}
.car-amort .step-formula {
    margin: 4px 0;
    padding: 7px 10px;
    font-family: "SF Mono", Consolas, Monaco, "Courier New", monospace;
    font-size: 0.78rem;
    line-height: 1.5;
    background: var(--ca-bg-soft);
    border-left: 3px solid var(--ca-primary);
    border-radius: 3px;
    white-space: pre-wrap;
    word-break: break-word;
    overflow-x: auto;
}
.car-amort .step-result {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--ca-success);
    margin-top: 3px;
}
.car-amort .step-note {
    font-size: 0.76rem;
    font-style: italic;
    color: var(--ca-text-light);
    margin-top: 3px;
}
.car-amort .step-ref {
    display: inline-block;
    margin-left: 5px;
    padding: 1px 6px;
    font-size: 0.7rem;
    font-weight: 600;
    background: var(--ca-primary-soft);
    color: var(--ca-primary-dark);
    border-radius: 3px;
    vertical-align: middle;
}

/* Скрытие стрелки у number-инпутов для аккуратности */
.car-amort input[type="number"]::-webkit-outer-spin-button,
.car-amort input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.car-amort input[type="number"] { -moz-appearance: textfield; }

.car-amort input,
.car-amort select,
.car-amort button {
    font-family: inherit !important;
    font-size: 0.9rem !important;
    line-height: 1.4 !important;
}
.car-amort .rounding-settings {
    background: var(--ca-bg-soft, #f5f7fa);
    border: 1px solid var(--ca-border, #d8dee6);
    border-radius: var(--ca-radius, 6px);
    padding: 12px 16px 4px;
    margin-bottom: 16px;
}

.car-amort .rounding-settings__title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--ca-text, #2b3440);
    margin-bottom: 10px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--ca-border, #d8dee6);
}

.car-amort .rounding-settings__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

@media (max-width: 500px) {
    .car-amort .rounding-settings__row { grid-template-columns: 1fr; }
}

.car-amort .discount-block {
    margin-top: 4px;
    padding: 12px 14px;
    background: #f8fafc;
    border: 1px dashed var(--ca-border, #d8dee6);
    border-radius: var(--ca-radius-sm, 4px);
}

.car-amort .discount-block .form-group:last-child {
    margin-bottom: 0;
}

.car-amort .discount-hint {
    margin-top: 8px;
    font-size: 0.78rem;
    color: var(--ca-text-light, #6b7785);
    line-height: 1.45;
}

.car-amort .discount-hint strong {
    color: var(--ca-text, #2b3440);
}

.car-amort .badge-accounting {
    display: inline-block;
    margin-left: 6px;
    padding: 1px 6px;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: 3px;
    background: #dbeafe;
    color: #1e40af;
    vertical-align: middle;
}

.car-amort .badge-management {
    background: #fef3c7;
    color: #92400e;
}

.ca-overview {
    margin: 32px 0 16px;
    padding: 24px;
    background: #ffffff;
    border: 1px solid #d8dee6;
    border-radius: 8px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: #2b3440;
    box-sizing: border-box;
}

.ca-overview *,
.ca-overview *::before,
.ca-overview *::after { box-sizing: border-box; }

.ca-overview__title {
    margin: 0 0 8px;
    font-size: 1.3rem;
    font-weight: 700;
    line-height: 1.25;
    color: #1f2a36;
}

.ca-overview__lead {
    margin: 0 0 20px;
    font-size: 0.95rem;
    line-height: 1.55;
    color: #4b5563;
}

.ca-overview__grid {
    list-style: none;
    margin: 0 0 20px;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 14px;
}

.ca-overview__card {
    padding: 14px 16px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    transition: border-color .15s, background .15s;
}

.ca-overview__card:hover {
    border-color: #b9c3cf;
    background: #f1f5f9;
}

.ca-overview__icon {
    font-size: 1.4rem;
    line-height: 1;
    margin-bottom: 6px;
}

.ca-overview__card-title {
    margin: 0 0 6px;
    font-size: 0.98rem;
    font-weight: 700;
    color: #1f2a36;
    line-height: 1.3;
}

.ca-overview__card-text {
    margin: 0;
    font-size: 0.83rem;
    line-height: 1.5;
    color: #4b5563;
}

.ca-overview__footer {
    margin: 0;
    padding-top: 16px;
    border-top: 1px solid #e2e8f0;
    font-size: 0.83rem;
    line-height: 1.55;
    color: #4b5563;
}

.ca-overview__footer strong {
    color: #1f2a36;
    font-weight: 700;
}

@media (max-width: 500px) {
    .ca-overview { padding: 18px; }
    .ca-overview__title { font-size: 1.15rem; }
    .ca-overview__lead { font-size: 0.9rem; }
}