.calc-main {
    min-height: 100vh;
    padding-bottom: var(--sp-space-16);
}

.calc-hero {
    padding: var(--sp-space-12) var(--sp-space-6) var(--sp-space-8);
    text-align: center;
}

.calc-hero__container {
    max-width: 48rem;
    margin: 0 auto;
}

.calc-hero__title {
    font-size: var(--sp-text-4xl);
    font-weight: 800;
    letter-spacing: -0.025em;
    color: var(--sp-color-text);
    margin: 0 0 var(--sp-space-3);
    line-height: 1.15;
}

.calc-hero__subtitle {
    font-size: var(--sp-text-lg);
    color: var(--sp-color-text-secondary);
    margin: 0;
    line-height: 1.6;
}

.calc-app {
    max-width: 72rem;
    margin: 0 auto;
    padding: 0 var(--sp-space-6);
}

.calc-step {
    display: none;
}

.calc-step--active {
    display: block;
    animation: calcFadeIn 0.3s ease-out;
}

.calc-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--sp-space-8) 0;
    max-width: 72rem;
    margin: 0 auto;
}

.calc-step__title {
    font-size: var(--sp-text-2xl);
    font-weight: 700;
    color: var(--sp-color-text);
    margin: 0 0 var(--sp-space-2);
}

.calc-step__desc {
    font-size: var(--sp-text-base);
    color: var(--sp-color-text-secondary);
    margin: 0 0 var(--sp-space-6);
    line-height: 1.5;
}

.calc-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 32rem), 1fr));
    gap: var(--sp-space-6);
}

.calc-roi {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-space-6);
    align-items: start;
}

.calc-report__header {
    text-align: center;
    margin-bottom: var(--sp-space-8);
}

.calc-report__company {
    font-size: var(--sp-text-3xl);
    font-weight: 800;
    color: var(--sp-color-text);
    margin: 0 0 var(--sp-space-2);
}

.calc-report__meta {
    font-size: var(--sp-text-sm);
    color: var(--sp-color-text-secondary);
    margin: 0;
}

.calc-report__kpis {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--sp-space-4);
    margin-bottom: var(--sp-space-8);
}

.calc-report__charts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-space-6);
}

.calc-export {
    display: flex;
    gap: var(--sp-space-3);
    justify-content: center;
    padding: var(--sp-space-8) 0;
}

.calc-task-controls {
    display: flex;
    align-items: center;
    gap: var(--sp-space-4);
    margin-bottom: var(--sp-space-4);
}

.calc-task-count {
    font-size: var(--sp-text-sm);
    color: var(--sp-color-text-secondary);
}

@media (max-width: 768px) {
    .calc-hero__title {
        font-size: var(--sp-text-2xl);
    }

    .calc-roi {
        grid-template-columns: 1fr;
    }

    .calc-report__kpis {
        grid-template-columns: repeat(2, 1fr);
    }

    .calc-report__charts {
        grid-template-columns: 1fr;
    }
}

.calc-progress {
    margin-bottom: var(--sp-space-8);
    padding: 0 var(--sp-space-2);
}

.calc-progress__list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    position: relative;
    justify-content: space-between;
}

.calc-progress__list::before {
    content: "";
    position: absolute;
    top: 1.25rem;
    left: var(--sp-space-8);
    right: var(--sp-space-8);
    height: 2px;
    background: var(--sp-color-border);
    z-index: 0;
}

.calc-progress__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 1;
    flex: 1;
}

.calc-progress__btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-space-2);
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--sp-space-1);
    transition: transform 0.15s ease;
}

.calc-progress__btn:hover {
    transform: scale(1.05);
}

.calc-progress__btn:focus-visible {
    outline: 2px solid var(--sp-color-accent);
    outline-offset: var(--sp-space-1);
    border-radius: var(--sp-radius-xs);
}

.calc-progress__number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--sp-radius-full);
    font-size: var(--sp-text-sm);
    font-weight: 700;
    background: var(--sp-color-surface);
    color: var(--sp-color-text-secondary);
    border: 2px solid var(--sp-color-border);
    transition: all 0.3s ease;
}

.calc-progress__label {
    font-size: var(--sp-text-xs);
    color: var(--sp-color-text-tertiary);
    font-weight: 500;
    transition: color 0.3s ease;
    white-space: nowrap;
}

.calc-progress__item--active .calc-progress__number {
    background: var(--sp-color-accent);
    color: var(--sp-color-bg);
    border-color: var(--sp-color-accent);
    box-shadow: 0 0 0 var(--sp-space-1) rgba(245, 158, 11, 0.2);
}

.calc-progress__item--active .calc-progress__label {
    color: var(--sp-color-accent);
    font-weight: 600;
}

.calc-progress__item--active .calc-progress__btn[aria-current="step"] .calc-progress__number {
    background: var(--sp-color-accent);
    color: var(--sp-color-bg);
    border-color: var(--sp-color-accent);
}

.calc-progress__item--completed .calc-progress__number {
    background: var(--sp-color-success);
    color: #fff;
    border-color: var(--sp-color-success);
}

.calc-progress__item--completed .calc-progress__label {
    color: var(--sp-color-text-secondary);
}

@media (max-width: 640px) {
    .calc-progress__label {
        display: none;
    }

    .calc-progress__number {
        width: var(--sp-space-8);
        height: var(--sp-space-8);
        font-size: var(--sp-text-xs);
    }

    .calc-progress__list::before {
        top: var(--sp-space-4);
        left: var(--sp-space-4);
        right: var(--sp-space-4);
    }
}

.calc-form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-space-4);
    margin-bottom: var(--sp-space-4);
}

.calc-form__field {
    display: flex;
    flex-direction: column;
    gap: var(--sp-space-1);
    margin-bottom: var(--sp-space-3);
}

.calc-form__label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--sp-color-text-secondary);
    letter-spacing: 0.01em;
}

.calc-form__input {
    padding: var(--sp-space-2) var(--sp-space-3);
    background: var(--sp-color-bg-surface);
    border: 1px solid var(--sp-color-border);
    border-radius: var(--sp-radius-md);
    color: var(--sp-color-text);
    font-size: 0.875rem;
    font-family: inherit;
    transition: border-color var(--sp-transition-fast), box-shadow var(--sp-transition-fast);
    -moz-appearance: textfield;
}

.calc-form__input::-webkit-outer-spin-button,
.calc-form__input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.calc-form__input::placeholder {
    color: var(--sp-color-text-tertiary);
}

.calc-form__input:focus {
    outline: none;
    border-color: var(--sp-color-warning);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
}

.calc-form__input--readonly {
    background: rgba(255, 255, 255, 0.02);
    cursor: default;
    opacity: 0.8;
}

.calc-form__input--table {
    padding: var(--sp-space-1) var(--sp-space-2);
    border-radius: var(--sp-radius-sm);
    font-size: 0.75rem;
}

.calc-form__input--number {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.calc-form__hint {
    font-size: 0.75rem;
    color: var(--sp-color-text-tertiary);
    margin-top: var(--sp-space-1);
}

.calc-form__slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: var(--sp-radius-sm);
    background: var(--sp-color-border);
    outline: none;
    margin-top: var(--sp-space-2);
}

.calc-form__slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--sp-color-warning);
    cursor: pointer;
    border: 2px solid var(--sp-color-bg);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.calc-form__slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--sp-color-warning);
    cursor: pointer;
    border: 2px solid var(--sp-color-bg);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.calc-form__select {
    padding: var(--sp-space-1) var(--sp-space-2);
    background: var(--sp-color-bg-surface);
    border: 1px solid var(--sp-color-border);
    border-radius: var(--sp-radius-sm);
    color: var(--sp-color-text);
    font-size: 0.75rem;
    font-family: inherit;
    cursor: pointer;
    transition: border-color var(--sp-transition-fast);
}

.calc-form__select:focus {
    outline: none;
    border-color: var(--sp-color-warning);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
}

.calc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-space-2);
    padding: var(--sp-space-2) var(--sp-space-5);
    border: 1px solid transparent;
    border-radius: var(--sp-radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--sp-transition-fast);
    white-space: nowrap;
}

.calc-btn:focus-visible {
    outline: 2px solid var(--sp-color-warning);
    outline-offset: 2px;
}

.calc-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.calc-btn--primary {
    background: var(--sp-color-warning);
    color: var(--sp-color-bg);
    border-color: var(--sp-color-warning);
}

.calc-btn--primary:hover:not(:disabled) {
    background: var(--sp-color-warning-hover);
    border-color: var(--sp-color-warning-hover);
}

.calc-btn--secondary {
    background: transparent;
    color: var(--sp-color-text-secondary);
    border-color: var(--sp-color-border);
}

.calc-btn--secondary:hover:not(:disabled) {
    border-color: var(--sp-color-text-secondary);
    color: var(--sp-color-text);
}

.calc-btn--danger {
    background: transparent;
    color: var(--sp-color-error);
    border-color: var(--sp-color-error);
}

.calc-btn--danger:hover:not(:disabled) {
    background: var(--sp-color-error);
    color: #fff;
}

.calc-btn--small {
    padding: var(--sp-space-1) var(--sp-space-2);
    font-size: 0.75rem;
}

.calc-btn--icon {
    padding: var(--sp-space-1);
    width: 1.75rem;
    height: 1.75rem;
    border-radius: var(--sp-radius-sm);
}

@media (max-width: 640px) {
    .calc-form__row {
        grid-template-columns: 1fr;
    }
}

.calc-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--sp-radius-lg);
    border: 1px solid var(--sp-color-border);
}

.calc-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
    font-variant-numeric: tabular-nums;
}

.calc-table thead {
    position: sticky;
    top: 0;
    z-index: 1;
}

.calc-table th {
    padding: var(--sp-space-2) var(--sp-space-3);
    text-align: left;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--sp-color-text-secondary);
    background: var(--sp-color-bg-surface);
    border-bottom: 1px solid var(--sp-color-border);
    white-space: nowrap;
}

.calc-table td {
    padding: var(--sp-space-1) var(--sp-space-3);
    border-bottom: 1px solid var(--sp-color-border);
    color: var(--sp-color-text);
    vertical-align: middle;
}

.calc-table tbody tr:hover {
    background: var(--sp-color-bg-surface);
}

.calc-table__id {
    font-weight: 700;
    font-size: 0.75rem;
    color: var(--sp-color-warning);
    width: 3rem;
}

.calc-table__totals {
    background: var(--sp-color-bg-surface);
}

.calc-table__totals td {
    padding: var(--sp-space-3);
    border-bottom: none;
    font-weight: 600;
    color: var(--sp-color-warning);
}

.calc-table__computed {
    color: var(--sp-color-text-secondary);
    font-variant-numeric: tabular-nums;
    text-align: right;
    font-size: 0.75rem;
    white-space: nowrap;
}

.calc-table--summary {
    font-size: 0.75rem;
}

.calc-table--summary td {
    padding: var(--sp-space-2) var(--sp-space-3);
}

.calc-table--tasks {
    min-width: 900px;
}

.calc-chart {
    padding: var(--sp-space-4) 0;
}

.calc-bar {
    display: flex;
    align-items: center;
    gap: var(--sp-space-3);
    margin-bottom: var(--sp-space-2);
}

.calc-bar__label {
    font-size: 0.75rem;
    color: var(--sp-color-text-secondary);
    min-width: 7rem;
    text-align: right;
    flex-shrink: 0;
}

.calc-bar__track {
    flex: 1;
    height: 1.25rem;
    background: color-mix(in srgb, var(--sp-color-text) 4%, transparent);
    border-radius: var(--sp-radius-md);
    overflow: hidden;
    position: relative;
}

.calc-bar__fill {
    height: 100%;
    border-radius: var(--sp-radius-md);
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 0;
}

.calc-bar__fill--alta { background: var(--sp-color-error); }
.calc-bar__fill--media { background: var(--sp-color-warning); }
.calc-bar__fill--baja { background: var(--sp-color-success); }

.calc-bar__fill--cat-1 { background: #3b82f6; }
.calc-bar__fill--cat-2 { background: #8b5cf6; }
.calc-bar__fill--cat-3 { background: #06b6d4; }
.calc-bar__fill--cat-4 { background: #f59e0b; }
.calc-bar__fill--cat-5 { background: #ef4444; }
.calc-bar__fill--cat-6 { background: #22c55e; }

.calc-bar__fill--person-0 { background: #3b82f6; }
.calc-bar__fill--person-1 { background: #8b5cf6; }
.calc-bar__fill--person-2 { background: #f59e0b; }
.calc-bar__fill--person-3 { background: #06b6d4; }
.calc-bar__fill--person-4 { background: #22c55e; }

.calc-bar__value {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--sp-color-text);
    min-width: 3.5rem;
    font-variant-numeric: tabular-nums;
}

.calc-gauge {
    display: flex;
    justify-content: center;
    padding: var(--sp-space-4) 0;
}

.calc-gauge svg {
    overflow: visible;
}

.calc-gauge__bg {
    fill: none;
    stroke: color-mix(in srgb, var(--sp-color-text) 6%, transparent);
}

.calc-gauge__fill {
    fill: none;
    stroke-linecap: round;
    transition: stroke-dashoffset 0.8s cubic-bezier(0.4, 0, 0.2, 1), stroke 0.3s ease;
}

.calc-gauge__text {
    fill: var(--sp-color-text);
    font-size: 1.5rem;
    font-weight: 800;
    text-anchor: middle;
    dominant-baseline: central;
}

.calc-gauge__label {
    fill: var(--sp-color-text-muted);
    font-size: 0.65rem;
    text-anchor: middle;
    dominant-baseline: central;
}

.calc-card {
    background: var(--sp-color-bg-surface);
    border: 1px solid var(--sp-color-border);
    border-radius: var(--sp-radius-lg);
    padding: var(--sp-space-5);
}

.calc-card--highlight {
    border-color: var(--sp-color-warning);
    background: rgba(245, 158, 11, 0.04);
}

.calc-card__title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--sp-color-text);
    margin: 0 0 var(--sp-space-4);
}

.calc-kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(8rem, 1fr));
    gap: var(--sp-space-4);
    margin-bottom: var(--sp-space-4);
}

.calc-kpi {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--sp-space-4);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--sp-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.calc-kpi--large {
    padding: var(--sp-space-5) var(--sp-space-4);
}

.calc-kpi--accent {
    border-color: var(--sp-color-warning);
    background: rgba(245, 158, 11, 0.06);
}

.calc-kpi__value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--sp-color-text);
    font-variant-numeric: tabular-nums;
    line-height: 1.2;
}

.calc-kpi--large .calc-kpi__value {
    font-size: 1.875rem;
}

.calc-kpi--accent .calc-kpi__value {
    color: var(--sp-color-warning);
}

.calc-kpi__label {
    font-size: 0.75rem;
    color: var(--sp-color-text-secondary);
    margin-top: var(--sp-space-1);
    font-weight: 500;
}

@keyframes calcFadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes calcBarGrow {
    from {
        width: 0;
    }
}

@keyframes calcPulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.02);
    }
}

.calc-bar__fill {
    animation: calcBarGrow 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.calc-kpi__value[data-updated] {
    animation: calcPulse 0.3s ease;
}

@media (prefers-reduced-motion: reduce) {
    .calc-step--active {
        animation: none;
    }

    .calc-bar__fill {
        animation: none;
        transition: none;
    }

    .calc-gauge__fill {
        transition: none;
    }

    .calc-kpi__value[data-updated] {
        animation: none;
    }

    .calc-progress__number,
    .calc-progress__label,
    .calc-form__input,
    .calc-btn {
        transition: none;
    }
}

@media print {
    .site-header,
    .site-footer,
    .calc-hero,
    .calc-progress,
    .calc-nav,
    .calc-export,
    .calc-task-controls,
    .calc-btn,
    .calc-form__slider,
    .calc-form__hint,
    .calc-btn--add-task,
    .calc-btn--reset {
        display: none !important;
    }

    .calc-step {
        display: block !important;
        page-break-inside: avoid;
        margin-bottom: 1.5rem;
    }

    body {
        background: white !important;
        color: #111 !important;
    }

    .calc-app {
        max-width: 100%;
    }

    .calc-step__title {
        color: #111 !important;
        font-size: 1.25rem;
        border-bottom: 2px solid #111;
        padding-bottom: 0.25rem;
    }

    .calc-step__desc {
        color: #444 !important;
    }

    .calc-card {
        border: 1px solid #ccc !important;
        background: white !important;
        page-break-inside: avoid;
    }

    .calc-card__title {
        color: #111 !important;
    }

    .calc-table th {
        background: #f0f0f0 !important;
        color: #111 !important;
    }

    .calc-table td {
        color: #111 !important;
        border-bottom-color: #ddd !important;
    }

    .calc-table__id {
        color: #333 !important;
    }

    .calc-table__totals td {
        color: #111 !important;
        font-weight: bold;
    }

    .calc-kpi__value {
        color: #111 !important;
    }

    .calc-kpi__label {
        color: #555 !important;
    }

    .calc-kpi {
        border: 1px solid #ddd !important;
        background: #fafafa !important;
    }

    .calc-bar__label {
        color: #333 !important;
    }

    .calc-bar__value {
        color: #111 !important;
    }

    .calc-bar__track {
        background: #eee !important;
    }

    .calc-form__input {
        border: 1px solid #ccc !important;
        background: white !important;
        color: #111 !important;
    }

    .calc-report__company {
        color: #111 !important;
    }

    .calc-report__meta {
        color: #555 !important;
    }

    .calc-gauge__text {
        fill: #111 !important;
    }

    .calc-gauge__label {
        fill: #555 !important;
    }

    .calc-gauge__bg {
        stroke: #ddd !important;
    }
}