.cpp3d-calculator {
    --cpp3d-bg: #173c42;
    --cpp3d-panel: #214447;
    --cpp3d-panel-soft: #2d4c4b;
    --cpp3d-panel-strong: #102f35;
    --cpp3d-border: rgba(252, 148, 84, 0.28);
    --cpp3d-text: #fff7f1;
    --cpp3d-muted: #f6c7a8;
    --cpp3d-brand: #173c42;
    --cpp3d-accent: #fc9454;
    color: var(--cpp3d-text);
    background: linear-gradient(135deg, #173c42 0%, #31504c 58%, #7c6c50 135%);
    border-radius: 8px;
    padding: 20px;
    font-family: inherit;
    box-shadow: 0 18px 45px rgba(3, 8, 18, 0.32);
}

.cpp3d-calculator * {
    box-sizing: border-box;
}

.cpp3d-header {
    align-items: flex-start;
    display: flex;
    gap: 16px;
    justify-content: space-between;
    margin-bottom: 18px;
}

.cpp3d-header h2 {
    color: var(--cpp3d-text);
    font-size: clamp(1.55rem, 2.6vw, 2.1rem);
    line-height: 1.12;
    margin: 0;
}

.cpp3d-kicker {
    color: var(--cpp3d-accent);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0;
    margin: 0 0 6px;
    text-transform: uppercase;
}

.cpp3d-header-actions {
    align-items: center;
    display: flex;
    flex: 0 0 auto;
    gap: 8px;
}

.cpp3d-calculator .cpp3d-currency-selector select,
.cpp3d-calculator .cpp3d-language-selector select {
    background: rgba(252, 148, 84, 0.08);
    border: 1px solid rgba(252, 148, 84, 0.24);
    color: var(--cpp3d-muted);
    cursor: pointer;
    font-size: 0.78rem;
    font-weight: 800;
    min-height: 38px;
    padding: 6px 30px 6px 10px;
    text-transform: uppercase;
    width: auto;
}

.cpp3d-calculator .cpp3d-language-selector select {
    min-width: 128px;
    text-transform: none;
}

.cpp3d-calculator .cpp3d-currency-selector select:disabled,
.cpp3d-calculator .cpp3d-language-selector select:disabled {
    cursor: wait;
    opacity: 0.65;
}

.cpp3d-export-pdf {
    background: rgba(252, 148, 84, 0.08);
    border: 1px solid rgba(252, 148, 84, 0.24);
    border-radius: 8px;
    color: var(--cpp3d-muted);
    cursor: pointer;
    flex: 0 0 auto;
    font-size: 0.78rem;
    font-weight: 800;
    min-height: 38px;
    padding: 6px 10px;
    text-transform: uppercase;
}

.cpp3d-export-pdf:hover,
.cpp3d-export-pdf:focus {
    background: var(--cpp3d-accent);
    border-color: var(--cpp3d-accent);
    color: #173c42;
    outline: none;
}

.cpp3d-card {
    background: rgba(33, 68, 71, 0.92);
    border: 1px solid var(--cpp3d-border);
    border-radius: 8px;
    margin-top: 18px;
    padding: 18px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04), 0 10px 24px rgba(0, 0, 0, 0.16);
}

.cpp3d-section-title {
    align-items: center;
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
}

.cpp3d-section-title span {
    align-items: center;
    background: var(--cpp3d-accent);
    border-radius: 50%;
    color: #173c42;
    display: inline-flex;
    font-size: 0.88rem;
    font-weight: 800;
    height: 28px;
    justify-content: center;
    width: 28px;
}

.cpp3d-section-title h3 {
    color: var(--cpp3d-text);
    font-size: 1.16rem;
    margin: 0;
}

.cpp3d-grid {
    display: grid;
    gap: 14px;
    grid-template-columns: 1fr;
}

.cpp3d-grid label,
.cpp3d-advanced label,
.cpp3d-field {
    color: var(--cpp3d-muted);
    display: grid;
    font-size: 0.9rem;
    gap: 8px;
}

.cpp3d-field-title {
    align-items: center;
    display: flex;
    gap: 8px;
}

.cpp3d-label-title {
    align-items: center;
    display: inline-flex;
    gap: 7px;
    justify-content: space-between;
    justify-self: start;
    width: 100%;
}

.cpp3d-field-help {
    margin-left: auto;
}

.cpp3d-help-tooltip {
    align-items: center;
    appearance: none;
    background: var(--cpp3d-accent, #fc9454);
    border: 0;
    border-radius: 50%;
    color: #fff;
    cursor: help;
    display: inline-flex;
    flex: 0 0 auto;
    font-family: inherit;
    font-size: 12px;
    font-weight: 800;
    height: 19px;
    justify-content: center;
    line-height: 1;
    padding: 0;
    position: relative;
    width: 19px;
    z-index: 4;
}

.cpp3d-help-tooltip::after {
    background: #102f35;
    border: 1px solid rgba(252, 148, 84, 0.55);
    border-radius: 7px;
    bottom: calc(100% + 9px);
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.35);
    color: #fff7f1;
    content: attr(data-cpp3d-tooltip);
    font-size: 12px;
    font-weight: 400;
    left: 50%;
    line-height: 1.4;
    opacity: 0;
    padding: 9px 11px;
    pointer-events: none;
    position: absolute;
    text-align: left;
    text-transform: none;
    transform: translate(-50%, 4px);
    transition: opacity 0.16s ease, transform 0.16s ease;
    visibility: hidden;
    white-space: normal;
    width: min(260px, 72vw);
    z-index: 100;
}

.cpp3d-help-tooltip:hover::after,
.cpp3d-help-tooltip:focus-visible::after {
    opacity: 1;
    transform: translate(-50%, 0);
    visibility: visible;
}

.cpp3d-help-tooltip:hover,
.cpp3d-help-tooltip:focus-visible {
    box-shadow: 0 0 0 3px rgba(252, 148, 84, 0.25);
    outline: none;
}

.cpp3d-add-filament-button {
    align-items: center;
    background: var(--cpp3d-accent);
    border: 0;
    border-radius: 50%;
    color: #173c42;
    cursor: pointer;
    display: inline-flex;
    flex: 0 0 auto;
    font-family: inherit;
    font-size: 20px;
    font-weight: 800;
    height: 24px;
    justify-content: center;
    padding: 0 0 2px;
    width: 24px;
}

.cpp3d-add-filament-button:hover,
.cpp3d-add-filament-button:focus {
    box-shadow: 0 0 0 3px rgba(252, 148, 84, 0.24);
    outline: none;
    transform: scale(1.06);
}

.cpp3d-filament-modal small {
    color: #f6c7a8;
    justify-self: end;
    margin-top: -34px;
    padding-right: 12px;
    pointer-events: none;
    position: relative;
}

.cpp3d-filament-modal .cpp3d-filament-field-with-unit input {
    padding-right: 42px !important;
}

.cpp3d-filament-modal .cpp3d-field-requirement {
    font-size: 0.72rem;
    font-weight: 700;
    margin-left: 5px;
}

.cpp3d-filament-modal .cpp3d-required {
    color: #fff7f1;
}

.cpp3d-filament-modal .cpp3d-optional {
    color: #f6c7a8;
    font-weight: 500;
}

.cpp3d-filament-modal .cpp3d-pdf-modal-panel {
    max-height: calc(100vh - 40px);
    overflow-y: auto;
}

.cpp3d-filament-modal .cpp3d-pdf-modal-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.cpp3d-filament-modal .cpp3d-pdf-primary,
.cpp3d-filament-modal .cpp3d-pdf-secondary {
    border: 1px solid var(--cpp3d-accent, #fc9454);
    min-height: 42px;
    padding: 8px 16px;
}

.cpp3d-filament-modal .cpp3d-pdf-primary {
    background: var(--cpp3d-accent, #fc9454);
    color: #173c42;
}

.cpp3d-filament-modal .cpp3d-pdf-secondary {
    background: transparent;
    color: #f6c7a8;
}

.cpp3d-calculator input,
.cpp3d-calculator select {
    background: var(--cpp3d-panel-strong);
    border: 1px solid rgba(252, 148, 84, 0.16);
    border-radius: 8px;
    color: var(--cpp3d-text);
    font: inherit;
    min-height: 46px;
    padding: 10px 12px;
    width: 100%;
}

.cpp3d-calculator input:focus,
.cpp3d-calculator select:focus {
    border-color: var(--cpp3d-accent);
    box-shadow: 0 0 0 3px rgba(252, 148, 84, 0.18);
    outline: none;
}

.cpp3d-input-unit {
    align-items: center;
    background: var(--cpp3d-panel-strong);
    border-radius: 8px;
    display: flex;
    overflow: hidden;
}

.cpp3d-input-unit input {
    border: 0;
    border-radius: 0;
}

.cpp3d-input-unit b {
    color: var(--cpp3d-muted);
    flex: 0 0 auto;
    font-size: 0.86rem;
    font-weight: 600;
    padding-right: 12px;
}

.cpp3d-time-fields {
    display: grid;
    gap: 8px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.cpp3d-time-fields .cpp3d-input-unit {
    min-width: 0;
}

.cpp3d-time-fields input {
    min-width: 0;
}

.cpp3d-advanced {
    border-top: 1px solid rgba(252, 148, 84, 0.16);
    margin-top: 18px;
    padding-top: 12px;
}

.cpp3d-advanced summary {
    color: var(--cpp3d-accent);
    cursor: pointer;
    font-weight: 700;
}

.cpp3d-additional-items-content {
    padding-top: 14px;
}

.cpp3d-additional-item-button {
    background: transparent;
    border: 1px solid rgba(252, 148, 84, 0.55);
    border-radius: 8px;
    color: var(--cpp3d-muted);
    cursor: pointer;
    font: inherit;
    font-weight: 800;
    min-height: 42px;
    padding: 8px 14px;
}

.cpp3d-additional-item-button:hover,
.cpp3d-additional-item-button:focus {
    background: rgba(252, 148, 84, 0.12);
    border-color: var(--cpp3d-accent);
    color: var(--cpp3d-text);
    outline: none;
}

.cpp3d-additional-items-list {
    display: grid;
    gap: 14px;
    margin-top: 14px;
}

.cpp3d-additional-item-row {
    display: grid;
    gap: 14px;
    grid-template-columns: 1fr;
}

.cpp3d-additional-item-row label {
    color: var(--cpp3d-muted);
    display: grid;
    font-size: 0.9rem;
    gap: 8px;
}

.cpp3d-remove-additional-item {
    align-self: end;
    background: transparent;
    border: 1px solid rgba(252, 148, 84, 0.55);
    border-radius: 8px;
    color: var(--cpp3d-muted);
    cursor: pointer;
    font: inherit;
    font-weight: 700;
    min-height: 46px;
    padding: 9px 14px;
}

.cpp3d-remove-additional-item:hover,
.cpp3d-remove-additional-item:focus {
    background: rgba(252, 148, 84, 0.12);
    border-color: var(--cpp3d-accent);
    color: var(--cpp3d-text);
    outline: none;
}

.cpp3d-cost-list {
    display: grid;
    gap: 10px;
    grid-template-columns: 1fr;
}

.cpp3d-metric,
.cpp3d-result-main,
.cpp3d-result-box {
    background: var(--cpp3d-panel-strong);
    border: 1px solid rgba(252, 148, 84, 0.16);
    border-radius: 8px;
    min-height: 64px;
    padding: 14px 16px;
    position: relative;
}

.cpp3d-metric span,
.cpp3d-result-main span,
.cpp3d-result-box span {
    color: var(--cpp3d-muted);
    display: block;
    font-size: 0.82rem;
    line-height: 1.3;
}

.cpp3d-metric strong,
.cpp3d-result-main strong,
.cpp3d-result-box strong {
    color: var(--cpp3d-text);
    display: block;
    font-size: 1.18rem;
    line-height: 1.1;
    margin-top: 3px;
}

.cpp3d-result-main {
    margin-bottom: 12px;
}

.cpp3d-result-main strong {
    font-size: clamp(1.6rem, 3vw, 2.3rem);
}

.cpp3d-result-main em,
.cpp3d-result-box em {
    background: var(--cpp3d-accent);
    border-radius: 999px;
    color: #173c42;
    font-size: 0.76rem;
    font-style: normal;
    font-weight: 800;
    padding: 7px 10px;
    position: absolute;
    right: 14px;
    top: 14px;
}

.cpp3d-result-grid {
    display: grid;
    gap: 12px;
    grid-template-columns: 1fr;
}

.cpp3d-result-box.cpp3d-accent {
    border-color: rgba(252, 148, 84, 0.5);
}

.cpp3d-simulation .cpp3d-metric strong {
    font-size: 1rem;
}

.cpp3d-admin-form {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 12px 0 28px;
}

.cpp3d-admin-form input,
.cpp3d-admin-form select {
    min-height: 32px;
    max-width: 180px;
}

.cpp3d-admin-table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
}

.cpp3d-admin-table input,
.cpp3d-admin-table select {
    max-width: 100%;
    min-height: 32px;
    width: clamp(72px, 9vw, 150px);
}

.cpp3d-admin-table input[name="name"],
.cpp3d-admin-table input[name="brand"],
.cpp3d-admin-table input[name="description"] {
    width: clamp(110px, 14vw, 210px);
}

.cpp3d-admin-table input[type="number"] {
    width: clamp(72px, 7vw, 110px);
}

.cpp3d-admin-table th,
.cpp3d-admin-table td {
    vertical-align: middle;
    white-space: nowrap;
}

.cpp3d-admin-actions {
    align-items: center;
    display: flex;
    gap: 8px;
}

.cpp3d-admin-actions .button {
    margin: 0;
}

@media (min-width: 720px) {
    .cpp3d-calculator {
        padding: 28px;
    }

    .cpp3d-card {
        padding: 22px;
    }

    .cpp3d-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .cpp3d-cost-list {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .cpp3d-result-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .cpp3d-additional-item-row {
        grid-template-columns: 2fr 1fr auto;
    }
}

@media (max-width: 719px) {
    .cpp3d-header {
        flex-direction: column;
    }

    .cpp3d-header-actions {
        flex-wrap: wrap;
    }
}