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

.cfdc-calculator {
    --cfdc-bg: #f5f6f8;
    --cfdc-panel: #ffffff;
    --cfdc-text: #0f172a;
    --cfdc-muted: #5f6b7b;
    --cfdc-border: #d9dee6;
    --cfdc-accent: #334155;
    --cfdc-strong: #111827;
    --cfdc-line: #cfd6df;
    --cfdc-success: #1f8a4d;
    --cfdc-error: #b42318;
    --cfdc-focus: #2563eb;
    width: 100%;
    max-width: 980px;
    margin: 24px auto;
    padding: 0 14px 24px;
    background: transparent;
    color: var(--cfdc-text);
    font-family: inherit;
    line-height: 1.5;
    overflow-wrap: break-word;
}

.cfdc-calculator.cfdc-dark {
    --cfdc-bg: #0f172a;
    --cfdc-panel: #111827;
    --cfdc-text: #f8fafc;
    --cfdc-muted: #cbd5e1;
    --cfdc-border: #334155;
    --cfdc-accent: #dbe3ef;
    --cfdc-strong: #ffffff;
    --cfdc-line: #334155;
    --cfdc-success: #86efac;
    --cfdc-error: #fca5a5;
    --cfdc-focus: #93c5fd;
}

.cfdc-topbar,
.cfdc-form-panel {
    background: var(--cfdc-panel);
    border: 1px solid var(--cfdc-border);
    border-radius: 20px;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
}

.cfdc-topbar {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 22px;
    margin-bottom: 18px;
}

.cfdc-kicker {
    margin: 0 0 6px;
    color: var(--cfdc-muted);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.cfdc-topbar h2,
.cfdc-result h3 {
    margin: 0;
    color: var(--cfdc-strong);
    font-size: clamp(1.45rem, 4vw, 2rem);
    line-height: 1.15;
}

.cfdc-intro,
.cfdc-result-intro p,
.cfdc-disclaimer,
.cfdc-field small {
    color: var(--cfdc-muted);
}

.cfdc-intro,
.cfdc-result-intro p {
    margin: 10px 0 0;
}

.cfdc-theme-toggle,
.cfdc-button {
    appearance: none;
    border: 1px solid var(--cfdc-border);
    border-radius: 14px;
    cursor: pointer;
    font: inherit;
    font-weight: 700;
    min-height: 46px;
    padding: 11px 16px;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.cfdc-theme-toggle,
.cfdc-button-secondary {
    background: var(--cfdc-panel);
    color: var(--cfdc-text);
}

.cfdc-button {
    background: var(--cfdc-accent);
    color: #ffffff;
    border-color: transparent;
}

.cfdc-button:hover,
.cfdc-theme-toggle:hover,
.cfdc-button:focus-visible,
.cfdc-theme-toggle:focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 10px 20px rgba(15, 23, 42, 0.12);
}

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

.cfdc-form-panel {
    padding: 22px;
    margin-bottom: 18px;
}

.cfdc-form {
    width: 100%;
}

.cfdc-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.cfdc-field {
    min-width: 0;
}

.cfdc-field-full {
    grid-column: 1 / -1;
}

.cfdc-field label {
    display: block;
    margin-bottom: 7px;
    color: var(--cfdc-strong);
    font-weight: 700;
}

.cfdc-field input,
.cfdc-field select,
.cfdc-field textarea {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    min-height: 48px;
    border: 1px solid var(--cfdc-border);
    border-radius: 14px;
    background: var(--cfdc-panel);
    color: var(--cfdc-text);
    font: inherit;
    padding: 12px 14px;
}

.cfdc-field textarea {
    min-height: 104px;
    resize: vertical;
}

.cfdc-checkbox-field {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding-top: 8px;
}

.cfdc-checkbox-field input {
    width: 18px;
    min-height: 18px;
    margin-top: 4px;
    flex: 0 0 auto;
}

.cfdc-checkbox-field label {
    margin: 0;
}

.cfdc-field small {
    display: block;
    margin-top: 6px;
    font-size: 0.92rem;
}

.cfdc-advanced {
    margin-top: 18px;
    padding: 16px;
    border: 1px solid var(--cfdc-border);
    border-radius: 16px;
    background: rgba(148, 163, 184, 0.06);
}

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

.cfdc-grid-advanced {
    margin-top: 16px;
}

.cfdc-errors {
    min-height: 24px;
    margin-top: 14px;
    color: var(--cfdc-error);
    font-weight: 600;
}

.cfdc-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 8px;
}

.cfdc-actions .cfdc-button,
.cfdc-actions .cfdc-button-secondary {
    flex: 1 1 180px;
    width: 100%;
}

.cfdc-result {
    width: 100%;
}

.cfdc-result-intro {
    margin-bottom: 14px;
}

.cfdc-result-main {
    width: 100%;
    margin-bottom: 14px;
    padding: 18px;
    background: var(--cfdc-panel);
    border-left: 5px solid var(--cfdc-accent);
    border-radius: 16px;
    box-shadow: 0 10px 26px rgba(15, 23, 42, 0.07);
    color: var(--cfdc-strong);
    font-size: clamp(1.25rem, 4vw, 1.8rem);
    font-weight: 800;
    line-height: 1.25;
}

.cfdc-report {
    display: block;
}

.cfdc-output-card,
.cfdc-section-card {
    width: 100%;
    margin-bottom: 14px;
    background: var(--cfdc-panel);
    border-radius: 16px;
    box-shadow: 0 10px 26px rgba(15, 23, 42, 0.07);
    overflow: hidden;
}

.cfdc-output-card {
    padding: 0 18px;
}

.cfdc-output-block {
    padding: 18px 0;
    border-bottom: 1px solid var(--cfdc-line);
}

.cfdc-output-block:last-child {
    border-bottom: 0;
}

.cfdc-output-label {
    margin: 0 0 8px;
    color: var(--cfdc-accent);
    font-size: clamp(1.05rem, 3.4vw, 1.25rem);
    font-weight: 700;
}

.cfdc-output-value {
    margin: 0;
    color: var(--cfdc-strong);
    font-size: clamp(1.6rem, 5vw, 2.2rem);
    font-weight: 800;
    line-height: 1.15;
}

.cfdc-output-subvalue {
    margin: 8px 0 0;
    color: var(--cfdc-muted);
    font-size: 0.96rem;
}

.cfdc-output-value-accent {
    color: var(--cfdc-success);
}

.cfdc-section-card {
    padding: 0 18px;
}

.cfdc-section-title {
    margin: 0;
    padding: 18px 0 12px;
    border-bottom: 3px solid var(--cfdc-strong);
    color: var(--cfdc-strong);
    font-size: clamp(1.25rem, 4vw, 1.55rem);
    line-height: 1.2;
}

.cfdc-detail-row {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 16px 0;
    border-bottom: 1px solid var(--cfdc-line);
}

.cfdc-detail-row:last-child {
    border-bottom: 0;
}

.cfdc-detail-label {
    color: var(--cfdc-accent);
    font-size: clamp(1rem, 3.3vw, 1.2rem);
    font-weight: 700;
}

.cfdc-detail-value {
    color: var(--cfdc-strong);
    font-size: clamp(1.15rem, 4vw, 1.45rem);
    font-weight: 700;
    white-space: normal;
    overflow-wrap: anywhere;
}

.cfdc-disclaimer {
    margin: 12px 0 0;
    font-size: 0.96rem;
}

@media (min-width: 700px) {
    .cfdc-topbar {
        flex-direction: row;
        align-items: flex-start;
        justify-content: space-between;
    }

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

    .cfdc-detail-row {
        flex-direction: row;
        align-items: flex-start;
        justify-content: space-between;
        gap: 16px;
    }

    .cfdc-detail-label,
    .cfdc-detail-value {
        width: 48%;
    }

    .cfdc-detail-value {
        text-align: right;
    }
}

@media print {
    .cfdc-theme-toggle,
    .cfdc-actions,
    .cfdc-advanced,
    .cfdc-errors {
        display: none !important;
    }

    .cfdc-calculator {
        margin: 0;
        padding: 0;
        max-width: 100%;
    }

    .cfdc-topbar,
    .cfdc-form-panel,
    .cfdc-output-card,
    .cfdc-section-card,
    .cfdc-result-main {
        box-shadow: none;
    }
}