/* ==========================================================================
   LORICA SMART CITY OS - CORE CSS (V64.1 - FINAL AJUSTES)
   ========================================================================== */

.oculto { display: none !important; }

.calc-super-bg {
    display: flex !important;
    justify-content: center !important;
    align-items: flex-start !important; 
    padding: 15px 5px !important; 
    background: transparent !important; 
}

#calc-main-card.calc-modern-card {
    background: #ffffff !important;
    width: 100% !important;
    max-width: 360px !important; 
    height: auto !important; 
    border-radius: 10px !important; 
    border: 1px solid #e2e8f0 !important; 
    box-shadow: 0 2px 8px rgba(0,0,0,0.04) !important;
    padding: 12px !important;
    box-sizing: border-box !important;
    transition: all 0.2s ease !important;
}

/* ===== BARRA DE NAVEGACIÓN - ICONOS ===== */
#calc-main-card .calc-nav-scroll {
    display: flex !important;
    overflow-x: auto !important;
    overflow-y: hidden !important;
    gap: 12px !important;
    padding: 14px 8px 14px 8px !important;
    margin-bottom: 28px !important;
    scrollbar-width: thin !important; 
    scrollbar-color: #cbd5e1 transparent !important; 
    border-bottom: 2px solid #e2e8f0 !important;
    height: 86px !important;
    align-items: flex-start !important;
}

#calc-main-card .calc-nav-scroll::-webkit-scrollbar { 
    height: 6px !important; 
    display: block !important; 
}

#calc-main-card .calc-nav-scroll::-webkit-scrollbar-track { 
    background: transparent !important; 
}

#calc-main-card .calc-nav-scroll::-webkit-scrollbar-thumb { 
    background-color: #cbd5e1 !important; 
    border-radius: 10px !important; 
}

#calc-main-card .calc-nav-scroll::-webkit-scrollbar-thumb:hover { 
    background-color: #0f2c59 !important; 
}

#calc-main-card .calc-nav-item {
    flex: 0 0 auto !important;
    min-width: 64px !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: flex-start !important;
    gap: 5px !important;
    padding: 6px 4px !important;
    cursor: pointer !important;
    background: transparent !important; 
    border-bottom: 3px solid transparent !important;
    transition: all 0.2s ease !important;
}

#calc-main-card .calc-icon-box {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    color: #94a3b8 !important; 
    font-size: 20px !important; 
    line-height: 1 !important;
    height: 28px !important;
}

#calc-main-card .calc-nav-item span { 
    font-size: 10px !important; 
    font-weight: 600 !important; 
    color: #94a3b8 !important; 
    text-align: center !important; 
    line-height: 1.2 !important;
    word-break: break-word !important;
}

#calc-main-card .calc-nav-item.active { 
    border-bottom: 3px solid #0f2c59 !important; 
}

#calc-main-card .calc-nav-item.active .calc-icon-box,
#calc-main-card .calc-nav-item.active span { 
    color: #0f2c59 !important;
    font-weight: 800 !important;
}

#calc-main-card .calc-nav-item:hover .calc-icon-box {
    color: #0f2c59 !important;
    transition: color 0.15s ease !important;
}

/* ===== SECCIÓN DE SELECTOR Y FAVORITOS ===== */
.contenedor-selector-fav {
    display: flex !important;
    align-items: center !important;
    justify-content: flex-start !important;
    width: 100% !important;
    gap: 10px !important;
    min-height: 44px !important;
    box-sizing: border-box !important;
    margin-bottom: 20px !important;
}

#main-tool-selector {
    flex: 1 1 auto !important;
    width: auto !important;
    min-width: 0 !important;
    height: 44px !important;
    background-color: #ffffff !important;
    border: 1px solid #cbd5e1 !important;
    border-radius: 5px !important;
    padding: 0 10px !important;
    font-size: 13px !important;
    color: #1e293b !important;
    box-sizing: border-box !important;
    outline: none !important;
    appearance: none !important;
    line-height: 42px !important;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e") !important;
    background-repeat: no-repeat !important;
    background-position: right 8px center !important;
    background-size: 14px !important;
    padding-right: 25px !important;
    transition: all 0.2s ease !important;
}

#main-tool-selector option {
    background: #ffffff !important;
    color: #1e293b !important;
}

#main-tool-selector option:checked {
    background: linear-gradient(#0f2c59, #0f2c59) !important;
    background-color: #0f2c59 !important;
    color: #ffffff !important;
}

#main-tool-selector:hover {
    border-color: #94a3b8 !important;
}

#main-tool-selector:focus {
    border-color: #0f2c59 !important;
    box-shadow: 0 0 0 2px rgba(15, 44, 89, 0.1) !important;
}

#btn-favorito {
    flex: 0 0 44px !important;
    width: 44px !important;
    height: 44px !important;
    min-width: 44px !important;
    padding: 0 !important;
    margin: 0 !important;
    font-size: 19px !important;
    background-color: #f8f9fa !important;
    border: 1px solid #e2e8f0 !important;
    border-radius: 5px !important;
    color: #94a3b8 !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    line-height: 1 !important;
}

#btn-favorito:hover {
    background-color: #f1f5f9 !important;
    border-color: #cbd5e1 !important;
    color: #64748b !important;
}

#btn-favorito:active {
    background-color: #e2e8f0 !important;
    transform: scale(0.95) !important;
}

#btn-favorito.fav-activo {
    color: #ffffff !important;
    background-color: #0f2c59 !important;
    border-color: #0f2c59 !important;
}

#btn-favorito.fav-activo:hover {
    background-color: #0a1e42 !important;
    border-color: #0a1e42 !important;
}

/* ===== INPUTS Y DROPDOWNS ===== */
#calc-main-card .c-input-box, 
#calc-main-card .calc-dropdown {
    width: 100% !important; 
    height: 40px !important; 
    background-color: #ffffff !important; 
    border: 1px solid #cbd5e1 !important; 
    border-radius: 5px !important; 
    padding: 0 10px !important;
    margin-bottom: 6px !important; 
    font-size: 13px !important;
    color: #1e293b !important; 
    box-sizing: border-box !important;
    outline: none !important;
    appearance: none !important;
    line-height: 38px !important;
    transition: all 0.2s ease !important;
}

#calc-main-card textarea.c-input-box {
    height: auto !important;
    padding: 6px 10px !important;
    resize: vertical !important;
    line-height: 1.4 !important;
    min-height: 80px !important;
}

#calc-main-card .c-input-box:hover,
#calc-main-card .calc-dropdown:hover {
    border-color: #94a3b8 !important;
}

#calc-main-card .c-input-box:focus, 
#calc-main-card .calc-dropdown:focus {
    border-color: #0f2c59 !important;
    box-shadow: 0 0 0 2px rgba(15, 44, 89, 0.1) !important;
}

#calc-main-card .calc-dropdown {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e") !important;
    background-repeat: no-repeat !important;
    background-position: right 8px center !important;
    background-size: 14px !important;
    padding-right: 25px !important;
}

/* ===== RESULTADOS ===== */
#calc-main-card .c-result-box-ios {
    background: #f8f9fa !important;
    border: 1px solid #e2e8f0 !important;
    border-radius: 6px !important;
    padding: 12px 10px !important;
    text-align: center !important;
    margin-top: 8px !important;
    display: flex !important;
    flex-direction: column !important; 
    align-items: center !important;
    justify-content: center !important;
    animation: fadeIn 0.3s ease-out !important;
}

#calc-main-card .mini-label {
    font-size: 10px !important;
    font-weight: 700 !important;
    color: #64748b !important;
    text-transform: uppercase !important;
    margin-bottom: 3px !important;
    line-height: 1 !important;
}

#calc-main-card .c-result-val-ios {
    font-size: 20px !important;
    font-weight: 800 !important;
    color: #0f2c59 !important;
    word-wrap: break-word !important;
    line-height: 1.2 !important;
    max-width: 100% !important;
    overflow-wrap: break-word !important;
}

/* ===== BOTONES DE ACCIÓN ===== */
/* V65: los botones son <span role="button"> (Ziston sobrescribe <button>) */
#calc-main-card .btn-block-calc, #calc-main-card .c-btn { display: flex !important; align-items: center !important; justify-content: center !important; user-select: none !important; -webkit-user-select: none !important; -webkit-tap-highlight-color: transparent !important; box-sizing: border-box !important; text-align: center !important; }
#calc-main-card [role="button"]:focus-visible { outline: 2px solid #007AFF !important; outline-offset: 2px !important; }
#calc-main-card .c-btn.oculto { display: none !important; }
#calc-main-card .btn-block-calc {
    width: 100% !important; 
    height: 42px !important; 
    background-color: #0f2c59 !important;
    color: #ffffff !important;
    border-radius: 5px !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    margin: 4px 0 !important;
    border: none !important;
    cursor: pointer !important;
    box-shadow: none !important; 
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    line-height: 1 !important;
    transition: all 0.2s ease !important;
}

#calc-main-card .btn-block-calc:hover {
    background-color: #0a1e42 !important;
    box-shadow: 0 2px 4px rgba(15, 44, 89, 0.2) !important;
}

#calc-main-card .btn-block-calc:active {
    opacity: 0.85 !important;
    transform: translateY(1px) !important;
}

/* ===== GRILLAS CALCULADORA ===== */
.calc-grid-basica {
    display: grid !important;
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 6px !important;
}

.calc-grid-cientifica {
    display: grid !important;
    grid-template-columns: repeat(5, 1fr) !important;
    gap: 5px !important;
}

/* ===== BOTONES PEQUEÑOS ===== */
.c-btn {
    background: #f8f9fa !important;
    border: 1px solid #e2e8f0 !important; 
    border-radius: 5px !important;
    font-size: 16px !important; 
    color: #1e293b !important; 
    height: 42px !important; 
    cursor: pointer !important;
    box-shadow: none !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    line-height: 1 !important;
    padding: 0 !important;
    transition: all 0.15s ease !important;
    user-select: none !important;
}

.c-btn:hover {
    background: #f1f5f9 !important;
    border-color: #cbd5e1 !important;
}

.c-btn:active {
    background: #e2e8f0 !important;
    transform: scale(0.95) !important;
}

.c-btn-op {
    background: #f1f5f9 !important;
    color: #0f2c59 !important;
    font-weight: 700 !important;
    border-color: #cbd5e1 !important;
}

.c-btn-op:hover {
    background: #e0e9f4 !important;
    color: #0a1e42 !important;
}

.c-btn-action {
    background: #fef2f2 !important;
    color: #b91c1c !important;
    font-weight: 700 !important;
    border-color: #fecaca !important;
}

.c-btn-action:hover {
    background: #fee2e2 !important;
    color: #991b1b !important;
}

.c-btn-eq {
    background: #0f2c59 !important;
    color: white !important;
    font-weight: 700 !important;
    border-color: #0f2c59 !important;
}

.c-btn-eq:hover {
    background: #0a1e42 !important;
    border-color: #0a1e42 !important;
}

/* ===== ANIMACIONES ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-tool {
    animation: fadeIn 0.3s ease-in-out !important;
}

.anim-transicion {
    animation: fadeIn 0.3s ease-out forwards !important;
}

#active-tool-display {
    margin-top: 12px !important;
    animation: fadeIn 0.3s ease !important;
}

/* ===== SPINNER CARGA ===== */
#loader-spinner {
    text-align: center !important;
    padding: 30px !important;
    color: #a0aec0 !important;
    font-size: 13px !important;
    animation: fadeIn 0.3s ease !important;
    margin-top: 12px !important;
}

/* ===== TOOLTIPS ===== */
.calc-nav-item {
    position: relative !important;
}

.calc-nav-item::after {
    content: attr(data-tooltip);
    position: absolute;
    top: calc(100% + 10px); 
    left: 50%;
    transform: translateX(-50%);
    background: #0f2c59;
    color: #fff;
    padding: 5px 10px;
    font-size: 11px;
    border-radius: 4px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: 0.2s ease;
    pointer-events: none;
    z-index: 100;
    box-shadow: 0 3px 6px rgba(0,0,0,0.15);
}

.calc-nav-item::before {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 5px;
    border-style: solid;
    border-color: transparent transparent #0f2c59 transparent;
    opacity: 0;
    visibility: hidden;
    transition: 0.2s ease;
    z-index: 100;
}

.calc-nav-item:hover::after,
.calc-nav-item:hover::before {
    opacity: 1;
    visibility: visible;
}

/* ===== FOOTER ===== */
#calc-main-card .calc-footer {
    text-align: center !important;
    font-size: 11px !important;
    color: #b0b8c4 !important;
    margin-top: 20px !important;
    padding-top: 12px !important;
    border-top: 1px solid #f1f5f9 !important;
    line-height: 1.4 !important;
    letter-spacing: 0.1px !important;
}

/* ===== BOTÓN BORRAR ===== */
.calc-btn-borrar .calc-icon-box {
    color: #dc2626 !important;
}

.calc-btn-borrar:hover .calc-icon-box {
    color: #991b1b !important;
}

/* ===== MEDIA QUERIES RESPONSIVE ===== */
@media (max-width: 480px) {
    #calc-main-card.calc-modern-card {
        max-width: 95vw !important;
        padding: 10px !important;
    }

    #calc-main-card .calc-main-title {
        font-size: 14px !important;
        margin-bottom: 10px !important;
    }

    #calc-main-card .calc-nav-scroll {
        margin-bottom: 22px !important;
        padding: 10px 6px 10px 6px !important;
        gap: 8px !important;
        height: 80px !important;
        border-bottom: 2px solid #e2e8f0 !important;
    }

    #calc-main-card .calc-nav-item {
        min-width: 58px !important;
        padding: 5px 4px !important;
    }

    #calc-main-card .calc-nav-item span {
        font-size: 9px !important;
    }

    #calc-main-card .calc-icon-box {
        font-size: 18px !important;
    }

    .contenedor-selector-fav {
        min-height: 40px !important;
        gap: 8px !important;
        margin-bottom: 16px !important;
    }

    #main-tool-selector {
        height: 40px !important;
        line-height: 38px !important;
        font-size: 12px !important;
    }

    #btn-favorito {
        width: 40px !important;
        height: 40px !important;
        flex: 0 0 40px !important;
        min-width: 40px !important;
        font-size: 17px !important;
    }

    #calc-main-card .c-input-box,
    #calc-main-card .calc-dropdown {
        height: 36px !important;
        font-size: 12px !important;
        padding: 0 8px !important;
        line-height: 34px !important;
        margin-bottom: 5px !important;
    }

    #calc-main-card .c-result-val-ios {
        font-size: 18px !important;
    }

    #calc-main-card .btn-block-calc {
        height: 38px !important;
        font-size: 13px !important;
        margin: 3px 0 !important;
    }

    .c-btn {
        height: 38px !important;
        font-size: 14px !important;
    }

    .calc-grid-basica {
        gap: 5px !important;
    }

    .calc-grid-cientifica {
        gap: 4px !important;
    }

    #calc-main-card .calc-footer {
        font-size: 10px !important;
        margin-top: 15px !important;
        padding-top: 10px !important;
    }

    .calc-nav-item::after {
        font-size: 10px !important;
        top: calc(100% + 8px) !important;
        padding: 4px 8px !important;
    }

    #active-tool-display {
        margin-top: 10px !important;
    }

    #loader-spinner {
        margin-top: 10px !important;
    }
}

@media (max-width: 320px) {
    #calc-main-card .calc-nav-item span {
        display: none !important;
    }

    #calc-main-card .calc-nav-item {
        min-width: 50px !important;
    }

    #calc-main-card .calc-nav-scroll {
        height: 70px !important;
    }
}