.mdcc-calculator,
.mdcc-calculator * {
    box-sizing: border-box;
}

.mdcc-calculator {
    --mdcc-page: #ffffff;
    --mdcc-panel: #ffffff;
    --mdcc-soft: #f4f6f8;
    --mdcc-text: #111827;
    --mdcc-muted: #647084;
    --mdcc-border: #d9dde5;
    --mdcc-strong-border: #1f2937;
    --mdcc-accent: #263142;
    --mdcc-accent-text: #ffffff;
    --mdcc-danger: #9f1d1d;
    --mdcc-focus: #111827;
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    padding: clamp(12px, 3vw, 24px);
    color: var(--mdcc-text);
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    overflow-wrap: break-word;
}

.mdcc-calculator.mdcc-dark {
    --mdcc-page: #121722;
    --mdcc-panel: #171d29;
    --mdcc-soft: #202838;
    --mdcc-text: #f5f7fb;
    --mdcc-muted: #bcc5d4;
    --mdcc-border: #3a4353;
    --mdcc-strong-border: #edf2f7;
    --mdcc-accent: #e7ebf3;
    --mdcc-accent-text: #111827;
    --mdcc-danger: #ffb4b4;
    --mdcc-focus: #ffffff;
}

.mdcc-header {
    display: flex;
    flex-direction: column;
    gap: 14px;
    width: 100%;
    margin-bottom: 18px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--mdcc-border);
}

.mdcc-kicker {
    margin: 0 0 6px;
    color: var(--mdcc-muted);
    font-size: clamp(12px, 2vw, 14px);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 800;
}

.mdcc-header h2 {
    margin: 0;
    color: var(--mdcc-text);
    font-size: clamp(26px, 6vw, 44px);
    line-height: 1.1;
}

.mdcc-intro {
    margin: 10px 0 0;
    color: var(--mdcc-muted);
    font-size: clamp(15px, 2.5vw, 17px);
    line-height: 1.6;
}

.mdcc-theme-toggle,
.mdcc-button {
    appearance: none;
    border-radius: 13px;
    cursor: pointer;
    font-weight: 800;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.mdcc-theme-toggle {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 14px;
    color: var(--mdcc-text);
    background: var(--mdcc-panel);
    border: 1px solid var(--mdcc-border);
}

.mdcc-form {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
    width: 100%;
}

.mdcc-field {
    min-width: 0;
    width: 100%;
    padding: 15px;
    background: var(--mdcc-panel);
    border: 1px solid var(--mdcc-border);
    border-radius: 16px;
}

.mdcc-field-flat {
    padding: 0;
    background: transparent;
    border: 0;
    border-radius: 0;
}

.mdcc-field label {
    display: block;
    margin-bottom: 8px;
    color: var(--mdcc-text);
    font-size: clamp(14px, 2.5vw, 16px);
    font-weight: 800;
}

.mdcc-field input,
.mdcc-field select,
.mdcc-field textarea {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    padding: 12px 13px;
    color: var(--mdcc-text);
    background: var(--mdcc-soft);
    border: 1px solid var(--mdcc-border);
    border-radius: 12px;
    font: inherit;
    line-height: 1.35;
}

.mdcc-field textarea {
    resize: vertical;
}

.mdcc-field input:focus,
.mdcc-field select:focus,
.mdcc-field textarea:focus,
.mdcc-theme-toggle:focus,
.mdcc-button:focus {
    outline: 3px solid var(--mdcc-focus);
    outline-offset: 2px;
}

.mdcc-help {
    margin: 8px 0 0;
    color: var(--mdcc-muted);
    font-size: 13px;
    line-height: 1.5;
}

.mdcc-manual {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 16px;
    background: var(--mdcc-soft);
    border: 1px solid var(--mdcc-border);
    border-radius: 18px;
}

.mdcc-manual-head h3 {
    margin: 0;
    font-size: clamp(20px, 4vw, 27px);
    line-height: 1.2;
}

.mdcc-manual-head p {
    margin: 8px 0 0;
    color: var(--mdcc-muted);
    line-height: 1.55;
}

.mdcc-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    width: 100%;
}

.mdcc-button {
    flex: 1 1 150px;
    min-height: 46px;
    padding: 12px 16px;
    color: var(--mdcc-accent-text);
    background: var(--mdcc-accent);
    border: 1px solid var(--mdcc-accent);
    box-shadow: 0 8px 20px rgba(17, 24, 39, 0.12);
}

.mdcc-button-light {
    color: var(--mdcc-text);
    background: var(--mdcc-panel);
    border: 1px solid var(--mdcc-border);
    box-shadow: none;
}

.mdcc-button:hover,
.mdcc-theme-toggle:hover {
    transform: translateY(-1px);
}

.mdcc-message {
    margin-top: 16px;
    padding: 12px 14px;
    color: var(--mdcc-danger);
    background: var(--mdcc-panel);
    border: 1px solid var(--mdcc-border);
    border-radius: 14px;
    font-weight: 800;
}

.mdcc-report {
    width: 100%;
    max-width: 100%;
    margin-top: 24px;
    padding: 0;
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
}

.mdcc-report-head {
    padding: 18px 0 14px;
    border-top: 4px solid var(--mdcc-strong-border);
    border-bottom: 1px solid var(--mdcc-border);
}

.mdcc-report-head h3 {
    margin: 0;
    color: var(--mdcc-text);
    font-size: clamp(26px, 5vw, 38px);
    line-height: 1.15;
}

.mdcc-report-head p {
    margin: 8px 0 0;
    color: var(--mdcc-muted);
    font-size: 14px;
    line-height: 1.5;
}

.mdcc-report-line {
    display: flex;
    flex-direction: column;
    gap: 6px;
    width: 100%;
    padding: 16px 0;
    border-bottom: 1px solid var(--mdcc-border);
}

.mdcc-report-line span {
    color: var(--mdcc-muted);
    font-size: clamp(18px, 4.5vw, 28px);
    font-weight: 800;
    line-height: 1.2;
}

.mdcc-report-line strong {
    color: var(--mdcc-text);
    font-size: clamp(18px, 4.8vw, 28px);
    line-height: 1.28;
    font-weight: 900;
    overflow-wrap: anywhere;
}

.mdcc-main-line {
    padding: 20px 0;
}

.mdcc-main-line strong {
    font-size: clamp(28px, 7vw, 52px);
    letter-spacing: -0.03em;
}

.mdcc-section-title {
    margin-top: 22px;
    padding: 16px 0 10px;
    color: var(--mdcc-text);
    border-top: 4px solid var(--mdcc-strong-border);
    font-size: clamp(22px, 5vw, 34px);
    font-weight: 900;
    line-height: 1.15;
}

.mdcc-report-text {
    width: 100%;
    padding: 14px 0 18px;
    color: var(--mdcc-text);
    border-bottom: 1px solid var(--mdcc-border);
    font-size: clamp(15px, 3.6vw, 17px);
    line-height: 1.65;
}

.mdcc-disclaimer {
    width: 100%;
    padding: 16px 0 0;
    color: var(--mdcc-muted);
    font-size: 13px;
    line-height: 1.6;
}

@media (min-width: 720px) {
    .mdcc-header {
        flex-direction: row;
        align-items: flex-start;
        justify-content: space-between;
    }

    .mdcc-form {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .mdcc-wide {
        grid-column: 1 / -1;
    }

    .mdcc-manual {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        align-items: start;
    }

    .mdcc-manual-head {
        grid-column: 1 / -1;
    }

    .mdcc-report-line {
        display: grid;
        grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
        align-items: start;
        gap: 24px;
    }

    .mdcc-report-line strong {
        text-align: right;
    }
}

@media (max-width: 420px) {
    .mdcc-calculator {
        padding-left: 10px;
        padding-right: 10px;
    }

    .mdcc-actions {
        flex-direction: column;
    }

    .mdcc-button {
        width: 100%;
        flex-basis: auto;
    }
}

@media print {
    .mdcc-form,
    .mdcc-theme-toggle,
    .mdcc-actions,
    .mdcc-message {
        display: none !important;
    }

    .mdcc-calculator,
    .mdcc-report {
        box-shadow: none !important;
        border: 0 !important;
        color: #111827 !important;
        background: #ffffff !important;
    }

    .mdcc-report-head,
    .mdcc-section-title {
        border-top-color: #111827 !important;
    }
}