:root {
    --tir-primary-color: #2563eb;
    --tir-secondary-color: #64748b;
    --tir-success-color: #22c55e;
    --tir-danger-color: #ef4444;
    --tir-warning-color: #f59e0b;
    --tir-bg-color: #f8fafc;
    --tir-card-bg: #ffffff;
    --tir-text-main: #1e293b;
    --tir-text-muted: #64748b;
    --tir-border-color: #e2e8f0;
    --tir-radius: 12px;
    --tir-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

* {
    box-sizing: border-box;
}

.tir-calculafin-container {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    max-width: 1100px;
    margin: 2rem auto;
    padding: 2rem;
    background: var(--tir-bg-color);
    border-radius: var(--tir-radius);
    color: var(--tir-text-main);
    line-height: 1.6;
    width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
}

/* ========== HEADER ========== */
.tir-header-section {
    text-align: center;
    margin-bottom: 2.5rem;
}

.tir-header-section h2 {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--tir-primary-color);
    margin-bottom: 0.5rem;
}

.tir-header-section p {
    color: var(--tir-text-muted);
    font-size: 1.05rem;
}

/* ========== GRID LAYOUT ========== */
.tir-calculator-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

@media (max-width: 768px) {
    .tir-calculator-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .tir-calculafin-container {
        padding: 1rem;
        margin: 0.5rem;
        width: calc(100% - 1rem);
    }
    .tir-inputs-section {
        padding: 1.25rem;
    }
    .tir-result-card {
        padding: 1.5rem;
    }
    .tir-header-section h2 {
        font-size: 1.9rem;
    }
}

/* ========== INPUTS SECTION ========== */
.tir-inputs-section {
    background: var(--tir-card-bg);
    padding: 1.5rem;
    border-radius: var(--tir-radius);
    box-shadow: var(--tir-shadow);
}

.tir-input-group {
    margin-bottom: 1.25rem;
    position: relative;
}

.tir-input-group label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    color: var(--tir-secondary-color);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.tir-input-wrapper {
    display: flex;
    align-items: center;
    position: relative;
    gap: 8px;
}

.tir-currency-label {
    color: var(--tir-text-muted);
    font-weight: 600;
    font-size: 0.95rem;
    white-space: nowrap;
    min-width: 30px;
}

.tir-input-group input {
    flex: 1;
    padding: 12px;
    border: 2px solid var(--tir-border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.2s;
    outline: none;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.tir-input-group input:focus {
    border-color: var(--tir-primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.tir-input-group input::placeholder {
    color: #cbd5e1;
}

.tir-main-investment .tir-input-wrapper {
    background: #fffbeb;
    border-radius: 8px;
    padding: 0 12px;
    border: 2px solid #fde68a;
}

.tir-main-investment input {
    background: transparent;
    border: none;
    padding: 12px 0;
}

.tir-main-investment input:focus {
    box-shadow: none;
}

.tir-input-group small {
    display: block;
    margin-top: 0.4rem;
    font-size: 0.8rem;
    color: var(--tir-text-muted);
}

.tir-dynamic-input .tir-input-wrapper {
    background: transparent;
    border: none;
    padding: 0;
    gap: 8px;
}

.tir-dynamic-input input {
    background: #f1f5f9;
}

.tir-remove-btn {
    background: none;
    border: none;
    color: var(--tir-danger-color);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0 8px;
    opacity: 0.6;
    transition: opacity 0.2s;
    flex-shrink: 0;
}

.tir-remove-btn:hover {
    opacity: 1;
}

/* ========== ACTIONS ========== */
.tir-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.tir-btn-secondary,
.tir-btn-example {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.95rem;
}

.tir-btn-secondary {
    background: var(--tir-primary-color);
    color: white;
}

.tir-btn-secondary:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.tir-btn-example {
    background: #f0f9ff;
    color: var(--tir-primary-color);
    border: 2px solid var(--tir-primary-color);
}

.tir-btn-example:hover {
    background: var(--tir-primary-color);
    color: white;
    transform: translateY(-2px);
}

.tir-icon {
    font-size: 1.1rem;
}

/* ========== RESULTS SECTION ========== */
.tir-results-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.tir-result-card {
    background: var(--tir-card-bg);
    padding: 2rem;
    border-radius: var(--tir-radius);
    box-shadow: var(--tir-shadow);
    border-top: 4px solid var(--tir-primary-color);
}

.tir-result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.tir-result-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--tir-secondary-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tir-result-value {
    font-size: 3rem;
    font-weight: 800;
    color: var(--tir-text-main);
    margin: 0.5rem 0;
    transition: color 0.3s;
}

.tir-result-value.active.positive {
    color: var(--tir-success-color);
}

.tir-result-value.active.negative {
    color: var(--tir-danger-color);
}

.tir-result-hint {
    font-size: 0.9rem;
    font-weight: 500;
    margin: 0;
}

/* ========== BADGES ========== */
.tir-badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tir-badge-neutral {
    background: #f3f4f6;
    color: var(--tir-text-muted);
}

.tir-badge-success {
    background: #dcfce7;
    color: #166534;
    animation: tir-pulse-success 0.6s ease-in-out;
}

@keyframes tir-pulse-success {
    0% {
        box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(34, 197, 94, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(34, 197, 94, 0);
    }
}

.tir-badge-danger {
    background: #fee2e2;
    color: #991b1b;
}

.tir-badge-warning {
    background: #fef3c7;
    color: #92400e;
}

/* ========== DIVIDER ========== */
.tir-divider {
    height: 1px;
    background: var(--tir-border-color);
    margin: 1.5rem 0;
}

/* ========== VPL SECTION ========== */
.tir-vpl-section {
    margin-top: 0.5rem;
}

.tir-result-value-secondary {
    font-size: 2rem;
    font-weight: 700;
    color: var(--tir-text-main);
    margin: 0.5rem 0;
    transition: color 0.3s;
}

.tir-result-value-secondary.positive {
    color: var(--tir-success-color);
}

.tir-result-value-secondary.negative {
    color: var(--tir-danger-color);
}

/* ========== CHART ========== */
.tir-chart-container {
    background: var(--tir-card-bg);
    padding: 1.5rem;
    border-radius: var(--tir-radius);
    box-shadow: var(--tir-shadow);
    height: 300px;
}

/* ========== INFO CARDS ========== */
.tir-info-cards-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.tir-info-card {
    background: var(--tir-card-bg);
    padding: 1.5rem;
    border-radius: var(--tir-radius);
    box-shadow: var(--tir-shadow);
    border-top: 4px solid var(--tir-primary-color);
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.tir-info-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px -1px rgb(0 0 0 / 0.15);
}

.tir-card-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.tir-info-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--tir-primary-color);
    margin-bottom: 0.75rem;
}

.tir-info-card p {
    font-size: 0.9rem;
    color: var(--tir-text-main);
    line-height: 1.6;
    margin: 0;
}

.tir-info-card strong {
    color: var(--tir-primary-color);
    font-weight: 700;
}

/* ========== RESPONSIVO ========== */
@media (max-width: 768px) {
    .tir-info-cards-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .tir-calculafin-container {
        padding: 1rem;
        margin: 0;
        width: 100%;
        border-radius: 0;
    }

    .tir-header-section h2 {
        font-size: 1.75rem;
    }

    .tir-result-value {
        font-size: 2.2rem;
    }

    .tir-result-value-secondary {
        font-size: 1.5rem;
    }

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

    .tir-btn-secondary,
    .tir-btn-example {
        width: 100%;
    }

    .tir-result-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .tir-badge {
        font-size: 0.7rem;
        padding: 4px 10px;
    }

    .tir-input-group {
        margin-bottom: 1rem;
    }

    .tir-input-wrapper {
        gap: 4px;
    }

    .tir-currency-label {
        font-size: 0.85rem;
        min-width: 25px;
    }

    .tir-input-group input {
        padding: 10px;
        font-size: 0.95rem;
    }

    .tir-main-investment .tir-input-wrapper {
        padding: 0 8px;
    }

    .tir-main-investment input {
        padding: 10px 0;
    }

    .tir-remove-btn {
        padding: 0 4px;
        font-size: 1.2rem;
    }

    .tir-chart-container {
        height: 250px;
    }

    .tir-info-cards-container {
        gap: 1rem;
        margin-top: 2rem;
    }

    .tir-info-card {
        padding: 1rem;
    }

    .tir-info-card h3 {
        font-size: 1rem;
    }

    .tir-info-card p {
        font-size: 0.85rem;
    }

    .tir-card-icon {
        font-size: 2rem;
        margin-bottom: 0.5rem;
    }
}

@media (max-width: 480px) {
    .tir-calculafin-container {
        padding: 0.75rem;
        margin: 0;
        width: 100%;
    }

    .tir-header-section h2 {
        font-size: 1.5rem;
        margin-bottom: 0.25rem;
    }

    .tir-header-section p {
        font-size: 0.95rem;
    }

    .tir-result-value {
        font-size: 1.8rem;
    }

    .tir-result-value-secondary {
        font-size: 1.2rem;
    }

    .tir-input-group {
        margin-bottom: 0.75rem;
    }

    .tir-input-group label {
        font-size: 0.8rem;
        margin-bottom: 0.25rem;
    }

    .tir-input-group input {
        padding: 8px;
        font-size: 0.9rem;
    }

    .tir-currency-label {
        font-size: 0.8rem;
        min-width: 20px;
    }

    .tir-btn-secondary,
    .tir-btn-example {
        padding: 10px;
        font-size: 0.85rem;
        gap: 4px;
    }

    .tir-icon {
        font-size: 1rem;
    }

    .tir-actions {
        gap: 0.75rem;
        margin-bottom: 1rem;
    }

    .tir-result-card {
        padding: 1rem;
    }

    .tir-result-label {
        font-size: 0.75rem;
    }

    .tir-result-hint {
        font-size: 0.8rem;
    }

    .tir-chart-container {
        height: 200px;
        padding: 1rem;
    }

    .tir-info-cards-container {
        gap: 0.75rem;
        margin-top: 1.5rem;
    }

    .tir-info-card {
        padding: 0.75rem;
    }

    .tir-info-card h3 {
        font-size: 0.9rem;
        margin-bottom: 0.5rem;
    }

    .tir-info-card p {
        font-size: 0.8rem;
        line-height: 1.4;
    }

    .tir-card-icon {
        font-size: 1.8rem;
        margin-bottom: 0.25rem;
    }

    .tir-remove-btn {
        padding: 0 2px;
        font-size: 1rem;
    }
}