/* ============ ESTILOS COMPARTIDOS PARA CALCULADORAS ============ */

.breadcrumb {
    padding: 1.5rem 0 0;
    font-size: 0.9rem;
    color: var(--text-light);
    position: relative;
    z-index: 1;
}

.breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.breadcrumb span {
    margin: 0 0.4rem;
    opacity: 0.5;
}

.calc-hero {
    padding: 50px 0 30px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.calc-hero h1 {
    font-size: 2.6rem;
    font-weight: 800;
    margin-bottom: 0.8rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.calc-hero p {
    color: var(--text-light);
    font-size: 1.05rem;
    font-weight: 300;
    max-width: 650px;
    margin: 0 auto;
}

.calc-wrapper {
    padding: 20px 0 100px;
    position: relative;
    z-index: 1;
}

.calc-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 2.5rem;
    align-items: start;
}

@media (max-width: 900px) {
    .calc-grid {
        grid-template-columns: 1fr;
    }
}

.calc-panel {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.calc-panel h2 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.form-group {
    margin-bottom: 1.4rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group .hint {
    display: block;
    font-size: 0.78rem;
    color: var(--text-light);
    opacity: 0.7;
    margin-top: 0.35rem;
    font-weight: 300;
}

.calc-panel input[type="text"],
.calc-panel input[type="number"],
.calc-panel input[type="date"],
.calc-panel select {
    width: 100%;
    padding: 12px 14px;
    background: rgba(10, 14, 39, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-dark);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.calc-panel input::placeholder {
    color: var(--text-light);
    opacity: 0.5;
}

.calc-panel input:focus,
.calc-panel select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15);
}

.calc-panel select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath fill='%2300d4ff' d='M0 0l6 8 6-8z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 36px;
}

.calc-panel select option {
    background: var(--dark-bg);
    color: var(--text-dark);
}

.table-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 0.6rem;
    background: rgba(255, 0, 110, 0.1);
    border: 1px solid rgba(255, 0, 110, 0.4);
    color: var(--secondary-color);
    border-radius: 8px;
    padding: 8px 14px;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.table-link-btn:hover {
    background: rgba(255, 0, 110, 0.2);
    box-shadow: 0 0 15px rgba(255, 0, 110, 0.25);
}

/* ============ MODAL ============ */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(5, 8, 18, 0.75);
    backdrop-filter: blur(4px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-overlay.open {
    display: flex;
    animation: fadeInUp 0.3s ease-out;
}

.modal-box {
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    max-width: 480px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 0 60px rgba(0, 212, 255, 0.15);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.modal-header h3 {
    font-size: 1.15rem;
    color: var(--text-dark);
    font-weight: 700;
}

.modal-close {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-light);
    width: 32px;
    height: 32px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
    flex-shrink: 0;
}

.modal-close:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.modal-subtitle {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 1.2rem;
    font-weight: 300;
}

.vac-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1rem;
}

.vac-table th {
    text-align: left;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--primary-color);
    padding: 8px 10px;
    border-bottom: 1px solid var(--border-color);
}

.vac-table td {
    padding: 9px 10px;
    font-size: 0.92rem;
    color: var(--text-dark);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.vac-table tr:hover td {
    background: rgba(0, 212, 255, 0.05);
}

.modal-footnote {
    font-size: 0.78rem;
    color: var(--text-light);
    opacity: 0.75;
    font-style: italic;
}

.toggle-advanced {
    background: none;
    border: 1px dashed var(--border-color);
    color: var(--primary-color);
    border-radius: 10px;
    padding: 10px 16px;
    width: 100%;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    margin-bottom: 1.4rem;
}

.toggle-advanced:hover {
    background: rgba(0, 212, 255, 0.08);
    border-color: var(--primary-color);
}

.advanced-fields {
    display: none;
}

.advanced-fields.open {
    display: block;
    animation: fadeInUp 0.4s ease-out;
}

.calc-btn {
    width: 100%;
    margin-top: 0.5rem;
}

/* ============ CONVERTIDOR DE UNIDADES ============ */
.converter-single {
    max-width: 720px;
    margin: 0 auto;
}

.category-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: 2rem;
}

.cat-tab {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    color: var(--text-light);
    border-radius: 10px;
    padding: 9px 16px;
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.cat-tab:hover {
    border-color: var(--primary-color);
    color: var(--text-dark);
}

.cat-tab.active {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(168, 0, 255, 0.2));
    border-color: var(--primary-color);
    color: var(--text-dark);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}

.convert-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 1rem;
    align-items: end;
}

.convert-field label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.convert-field input {
    width: 100%;
    padding: 14px;
    margin-bottom: 0.7rem;
    background: rgba(10, 14, 39, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-dark);
    font-size: 1.3rem;
    font-weight: 700;
    font-family: inherit;
    transition: var(--transition);
}

.convert-field input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15);
}

.convert-field input[readonly] {
    color: var(--primary-color);
    background: rgba(0, 212, 255, 0.06);
}

.convert-field select {
    width: 100%;
    padding: 10px 12px;
    background: rgba(10, 14, 39, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-dark);
    font-size: 0.85rem;
    font-family: inherit;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath fill='%2300d4ff' d='M0 0l6 8 6-8z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 32px;
}

.convert-field select option {
    background: var(--dark-bg);
    color: var(--text-dark);
}

.swap-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    color: white;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.25);
    margin-bottom: 0.7rem;
}

.swap-btn:hover {
    transform: rotate(180deg);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.4);
}

.convert-result-text {
    text-align: center;
    color: var(--text-light);
    font-size: 0.95rem;
    margin: 1.5rem 0;
    font-weight: 300;
}

.quick-ref-list {
    list-style: none;
    border-top: 1px solid var(--border-color);
    padding-top: 1.2rem;
}

.quick-ref-list li {
    font-size: 0.85rem;
    color: var(--text-light);
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

@media (max-width: 600px) {
    .convert-row {
        grid-template-columns: 1fr;
    }

    .swap-btn {
        margin: 0 auto;
        transform: rotate(90deg);
    }

    .swap-btn:hover {
        transform: rotate(270deg);
    }

    .category-tabs {
        gap: 0.4rem;
    }

    .cat-tab {
        padding: 7px 12px;
        font-size: 0.8rem;
    }
}

/* ============ RESULTADOS ============ */
.result-panel {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    position: sticky;
    top: 100px;
}

.result-panel h2 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
    font-weight: 700;
}

.result-empty {
    text-align: center;
    padding: 2.5rem 1rem;
    color: var(--text-light);
}

.result-empty .icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
    opacity: 0.6;
}

.result-total {
    text-align: center;
    padding: 1.6rem;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.12), rgba(255, 0, 110, 0.12));
    border: 1px solid rgba(0, 212, 255, 0.3);
    margin-bottom: 1.6rem;
}

.result-total .label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-light);
    margin-bottom: 0.4rem;
}

.result-total .amount {
    font-size: 2.4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--hover-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
}

.result-total .category {
    margin-top: 0.5rem;
    font-size: 1.1rem;
    font-weight: 700;
}

.imc-bar-wrapper {
    margin: 1.6rem 0;
}

.imc-bar {
    position: relative;
    display: flex;
    height: 14px;
    border-radius: 8px;
    overflow: visible;
}

.imc-bar-segment {
    height: 100%;
}

.imc-bar-segment:first-child { border-radius: 8px 0 0 8px; }
.imc-bar-segment:last-child { border-radius: 0 8px 8px 0; }

.seg-bajo { flex: 1.5; background: #00d4ff; }
.seg-normal { flex: 2.5; background: #00ffaa; }
.seg-sobrepeso { flex: 2; background: #ffd000; }
.seg-obesidad1 { flex: 2; background: #ff9500; }
.seg-obesidad2 { flex: 2; background: #ff5500; }
.seg-obesidad3 { flex: 1.5; background: #ff006e; }

.imc-bar-marker {
    position: absolute;
    top: -5px;
    left: 0;
    width: 4px;
    height: 24px;
    background: white;
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.8), 0 0 20px rgba(0, 212, 255, 0.5);
    transition: left 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(-50%);
}

.imc-bar-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 0.5rem;
    font-size: 0.72rem;
    color: var(--text-light);
}

.imc-legend {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem 1.1rem;
    margin-top: 1.1rem;
}

.imc-legend li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.82rem;
    color: var(--text-light);
    padding: 3px 8px;
    border-radius: 6px;
    transition: var(--transition);
}

.imc-legend li.active {
    color: var(--text-dark);
    font-weight: 700;
    background: rgba(0, 212, 255, 0.1);
    box-shadow: 0 0 0 1px rgba(0, 212, 255, 0.3);
}

.imc-legend .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
}

.dot-bajo { background: #00d4ff; }
.dot-normal { background: #00ffaa; }
.dot-sobrepeso { background: #ffd000; }
.dot-obesidad1 { background: #ff9500; }
.dot-obesidad2 { background: #ff5500; }
.dot-obesidad3 { background: #ff006e; }

.mini-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.7rem;
    margin-bottom: 1.6rem;
}

.mini-stat {
    text-align: center;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 0.8rem 0.5rem;
}

.mini-stat-label {
    font-size: 0.68rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-bottom: 0.4rem;
    line-height: 1.3;
}

.mini-stat-value {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--primary-color);
}

@media (max-width: 480px) {
    .mini-stats {
        grid-template-columns: 1fr;
    }
}

.result-breakdown {
    list-style: none;
    margin-bottom: 1rem;
}

.result-breakdown li {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--border-color);
    gap: 1rem;
}

.result-breakdown li:last-child {
    border-bottom: none;
}

.result-breakdown .concept {
    color: var(--text-light);
    font-size: 0.92rem;
}

.result-breakdown .concept small {
    display: block;
    font-size: 0.75rem;
    opacity: 0.7;
    margin-top: 2px;
}

.result-breakdown .value {
    color: var(--text-dark);
    font-weight: 600;
    white-space: nowrap;
}

.result-note {
    font-size: 0.8rem;
    color: var(--text-light);
    opacity: 0.75;
    line-height: 1.6;
    margin-top: 1.2rem;
    padding-top: 1.2rem;
    border-top: 1px solid var(--border-color);
}

.growth-table-wrapper {
    margin-top: 3rem;
}

.table-scroll {
    overflow-x: auto;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.growth-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 480px;
}

.growth-table th {
    text-align: left;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--primary-color);
    padding: 14px 18px;
    background: rgba(0, 212, 255, 0.08);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
}

.growth-table td {
    padding: 12px 18px;
    font-size: 0.92rem;
    color: var(--text-dark);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.growth-table tbody tr:hover td {
    background: rgba(0, 212, 255, 0.05);
}

.growth-table tbody tr:last-child td {
    font-weight: 700;
    color: var(--primary-color);
}

.info-box {
    background: rgba(168, 0, 255, 0.06);
    border: 1px solid rgba(168, 0, 255, 0.2);
    border-radius: 12px;
    padding: 1.2rem 1.4rem;
    margin-top: 2rem;
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.7;
}

.info-box strong {
    color: var(--text-dark);
}

@media (max-width: 480px) {
    .form-row {
        grid-template-columns: 1fr;
    }

    .calc-hero h1 {
        font-size: 1.8rem;
    }

    .calc-panel,
    .result-panel {
        padding: 1.5rem;
    }

    .result-total .amount {
        font-size: 1.9rem;
    }

    .result-panel {
        position: static;
    }
}